AD1216 Analog to Digital Conversion Command Set
WARNING: A/D Inputs can accept a voltage from 0 to 5VDC. You should NEVER exceed this voltage range. Negative voltages will damage the A/D inputs. Power the controller BEFORE applying voltages to these inputs. Applying voltages to these inputs while the controller is powered down may result in permanent damage to the CPU.
USB ProXR Control with Analog to Digital Conversion
16-Channel
USB 16-Channel 8-Bit/12-Bit Analog to Digital Converter + XR Expansion Port
Product Code: ZAD1216ProXR_USB
NOTE:
All Inputs Labeled “A” are GROUND Inputs.
All Inputs Labeled “B” are 0-5VDC Analog Inputs.
NEVER APPLY A VOLTAGE TO A/D INPUT WHILE THE DEVICE IS POWERED OFF!
USB ProXR Control with Analog to Digital Conversion
32 Channel
USB 32-Channel 8-Bit/12-Bit Analog to Digital Converter + XR Expansion Port.
Product Code: ZAD1232ProXR_USB
NOTE:
All Inputs Labeled “A” are GROUND Inputs. All Inputs Labeled “B” are 0-5VDC Analog Inputs.
NEVER APPLY A VOLTAGE TO A/D INPUT WHILE THE DEVICE IS POWERED OFF!
48 Channel
USB 48-Channel 8-Bit/12-Bit Analog to Digital Converter + XR Expansion Port.
Product Code: ZAD1248ProXR_USB
NOTE:
All Inputs Labeled “A” are GROUND Inputs. All Inputs Labeled “B” are 0-5VDC Analog Inputs.
NEVER APPLY A VOLTAGE TO A/D INPUT WHILE THE DEVICE IS POWERED OFF!
Base Station Software
The AD1216 Command Set is used to acquire up to 16-Channels of 8-Bit or 12- Bit Analog to Digital Conversion using a single query to the device.
In order to communicate with the AD1216 device, run the NCD Base Station software.
- Connect controller to computer using your favorite interface technology.
- Run the NCD Base Station software.
- Select the appropriate COM port or IP Address and click OK.
When the dialog box appears, choose ‘UXP AD1216 Analog to Digital Conversion Command Set’ as shown in the screen shot below.
Reading Analog Inputs with Base Station Software
- Check this box to monitor the first analog inputs.
- Check this box to monitor the second group of 16-analog inputs (on devices with 32 or more channels).
- Check this box to monitor the third group of 16-analog inputs (on devices with 48 channels).
- Read 8-Bit Resolution 1-Channel at a time (this is a little slow).
- Dumps 16 Raw Bytes of Data from the controller to the software without error checking (very fast, but no error checking in the communication protocol).
- Dumps 32-Bytes of Data with a Header Byte and a Checksum to ensure error free communications.
- Read 12-Bit Resolution 1-Channel at a time (this is twice as fast as 8-Bit Resolution).
- Dumps 32 Raw Bytes of Data from the controller to the software without error checking (very fast, but no error checking in communication protocol).
- Dumps 32-Bytes of Data with a Header Byte and Checksum to ensure error free communications.
- Check this box to enable constant monitoring of inputs. Analog inputs will constantly change but the user interface will “freeze” until this option is unchecked.
- Communication Details. The portion of the interface is visible when the MORE option is selected in section L of diagram.
- MORE or LESS. More option expands the window to include the communication details of the device in section K of diagram. Less option shrinks the window to exclude section K.
AD1216 Command Set
The AD1216 Command Set is used to acquire up to 16-Channels of 8-Bit or 12-Bit Analog to Digital Conversion using a single query to the device. This command set is compatible with all ProXR controllers with a UXP Expansion Port. This command set may also be used with part numbers that contain AD1216, AD1232, and AD1248.
Analog to Digital Conversion is the process of converting a voltage to a numeric value. This is useful for reading many kinds of sensors. A/D Conversion Commands convert a voltage from 0 to 5VDC to a 8-Bit Number from 0-255 or a 12-Bit Number from 0-4095.
If you request a 12-Bit Value, the controller will send 2 bytes of data, which must be mathematically processed to reconstruct the 12-Bit value. The formula for converting a 12-Bit Number to a Analog value is: Value = (MSB*256)+LSB
LSB is the Least Significant Byte and MSB is the Most Significant Byte.
This command set remains unchanged from previous versions of ProXR Standard controllers.
Note: While a controller may have 48 Analog Input Channels, each Channel Capable of Reading Voltages from 0 to 5VDC, every channel shares a common ground, as there is no isolation between channels.
Read a Single Channel as 8-Bit Value
This command will read a single channel as an 8-Bit value for devices 0 to 2 and requires one parameter indicating a channel to read from 0 to 15.
| Send Bytes: | Byte 1: | Byte 2: | Byte 3: |
| Function: | Command | Device 0-2 | Channel 0-15 |
| Decimal: | 254 | 195, 203, or 208 | 0-15 |
| HEX: | 0xFE | 0xC3, 0xCB, or 0xD0 | 0x00 – 0x0F |
Receive Byte
| Receive Byte: | Byte 1: |
| Decimal: | 0-255 |
| HEX: | 0x00-0xFF |
Command Samples
| 254, 195, 0 | Read 8-Bit Value Device 0 (195) Channel 0 (0) |
| 254, 195, 15 | Read 8-Bit Value Device 0 (195) Channel 15 (15) |
| 254, 208, 8 | Read 8-Bit Value Device 2 (208) Channel 0 (8) |
Read a Single Channel as 12-Bit Value
This command will read a single channel as a 12-Bit value for devices 0 to 2 and requires one parameter indicating a channel to read from 0 to 15.
Two bytes are returned by this command, LSB then MSB. The A/D Value is Re-Assembled using: Value = (MSB*256)+LSB
| Send Bytes: | Byte 1: | Byte 2: | Byte 3: |
| Function: | Command | Device 0-2 | Channel 0-15 |
| Decimal: | 254 | 199, 207, or 209 | 0-15 |
| HEX: | 0xFE | 0xC7, 0xCF, or 0xD1 | 0x00 – 0x0F |
Receive Bytes
| Receive Bytes: | Byte 1: LSB | Byte 2: MSB |
| Decimal: | 0-255 | 0-255 |
| HEX: | 0x00-0xFF | 0x00-0xFF |
Command Samples
| 254, 199, 0 | Read 8-Bit Value Device 0 (199) Channel 0 (0) |
| 254, 207, 15 | Read 8-Bit Value Device 1 (207) Channel 15 (15) |
| 254, 209, 7 | Read 8-Bit Value Device 2 (209) Channel 7 (7) |
Read All Channels, 8-Bit A/D
This command will read all 16 channels at a time as an 8-bit A/D value for devices 0 to 2 and returns 18 bytes of data in order: Header Byte, Channels 0-15, Checksum Byte at end of packet. The Checksum Value always equals the sum of all bytes sent, including the header. The Checksum Value is always 8-Bits. You Should Extract the Lower 8 Bits from the Checksum to Return a Matched Value. Use This Formula:
CheckSumTest = Sum of All Bytes Sent from Controller except Checksum
CheckSum = Last Byte Sent from Controller
(CheckSumTest AND 255) MUST Equal CheckSum
The AND Function Used in the above formula is a mathematical function that returns (in this case) the lower 8 bits of the CheckSumTest. AND is supported by most programming languages.
Send Bytes: Byte 1, Byte 2
Function: Command, Device 0-2
Decimal Values: 254, 200-202
Hex Values: 0xFE, 0xC8-0xCA
Receive Bytes:
Decimal: 254, 0-255, (AD0-AD15), 0-255 (checksum)
Hex: 0xFE, 0x00-0xFF, 0x00-0xFF
Read All Channels, 12-Bit A/D
This command will read all 16 channels at a time as a 12-bit A/D value for devices 0 to 2 and returns 34 bytes of data in order: Header Byte, Channels 0-15, Checksum Byte at end of packet.
The Checksum Value always equals the sum of all bytes sent, including the header. The Checksum Value is always 8 bits. You should extract the lower 8 bits from the Checksum to return a matched value. Use this formula:
CheckSumTest = Sum of All Bytes Sent from Controller Except Checksum
CheckSum = Last Byte Sent from Controller
(CheckSumTest AND 255) MUST Equal CheckSum
The AND function used in the above formula is a mathematical function that returns (in this case) the lower 8 bits of the CheckSumTest. AND is supported by Most Programming Languages.
The A/D Value of each channel is Re-Assembled using: Value = (MSB*256)+LSB
Send Bytes: Byte 1, Byte 2
Function: Command, Device 0-2
Decimal Values: 254, 204-206
Hex Values: 0xFE, 0xCC-0xCE
Receive Bytes:
Dec.: 254 (header) 0-255 (AD0-AD15 LSB) 0-255 (AD0-AD15 MSB) 0-255(CheckSum)
Hex: 0xFE 0x00-0xFF 0x00-0xFF 0x00-0xFF
Accessing Port 2 of Fusion Series Controllers
Fusion Series controllers support 8-bit digital input/output, allowing users to read and control 5V digital signals using Port 2. In the command set below Byte 4 has been added and set to 2 for Fusion Controllers.
Read a Single Channel as 8-Bit Value (Fusion Port 2)
This command will read a single channel as an 8-Bit value for devices 0 to 2 and requires one parameter indicating a channel to read from 0 to 15. This command example accesses Port 2 on the Fusion Series Controllers if available.
Send Bytes: Byte 1, Byte 2, Byte 3, Byte 4
Function: Command, Device 0-2, Parameter (Channel 0-15), Port 2
Decimal Values: 254, 195/203/208, 0-15, 2
Hex Values 0xFE, 0xC3/0xCB/0xD0, 0x00-0x0F, 0x02
Receive Byte:
Decimal: 0-255
Hex: 0x00-0xFF
Read a Single Channel as 12-Bit Value (Fusion Port 2)
This command will read a single channel as a 12-bit value for devices 0 to 2 and requires one parameter indicating a channel to read from 0 to 15. This command example accesses Port 2 on the Fusion Series Controllers if available.
Two bytes are returned by this command, LSB then MSB.
The A/D Value is Re-Assembled using: Value = (MSB*256)+LSB
Send Bytes: Byte 1, Byte 2, Byte 3, Byte 4
Function: Command, Device 0-2, Parameter (Channel 0-15), Port 2
Decimal Values: 254, 199/207/209, 0-15, 2
Hex Values: 0xFE, 0xC7/0xCF/0xD1, 0x00-0x0F, 0x02
Receive Byte:
Decimal: 0-255 (LSB), 0-255 (MSB)
Hex: 0x00-0xFF, 0x00-0xFF
Read All Channels, 12-Bit Resolution (Fusion Port 2)
This command will read all 16 channels at a time as a 12-bit resolution for devices 0 to 2 and returns 32 bytes in order of Channel 0-15. Two bytes are returned for each channel using this command, LSB then MSB. This command example accesses Port 2 on the Fusion Series Controllers if available.
The A/D Value is Re-Assembled using: Value = (MSB*256)+LSB
Send Bytes: Byte 1, Byte 2, Byte 3
Function: Command, Device 0-2, Port 2
Decimal Values: 254, 196-198, 2
Hex Values 0xFE, 0xC4-0xC6, 0x02
Receive Bytes:
Decimal: 0-255 (LSB) 0-255 (MSB)
Hex: 0x00-0xFF, 0x00-0xFF
Read All Channels, 8-Bit A/D (Fusion Port 2)
This command will read all 16 channels at a time as an 8-bit A/D value for devices 0 to 2 and returns 18 bytes of data in order: Header Byte, Channels 0-15, Checksum Byte at end of packet. The Checksum Value always equals the sum of all bytes sent, including the header. The Checksum Value is always 8-Bits. You Should Extract the Lower 8 Bits from the Checksum to Return a Matched Value. Use This Formula:
CheckSumTest = Sum of All Bytes Sent from Controller Except Checksum
CheckSum = Last Byte Sent from Controller
(CheckSumTest AND 255) MUST Equal CheckSum
The AND Function Used in the above formula is a mathematical function that returns (in this case) the lower 8 bits of the CheckSumTest. AND is supported by Most Programming Languages. This command example accesses Port 2 on the Fusion Series Controllers if available.
Send Bytes: Byte 1, Byte 2, Byte 3
Function: Command, Device 0-2, Port 2
Decimal Values: 254, 200-202, 2
Hex Values 0xFE, 0xC8-0xCA, 0x02
Receive Bytes:
Decimal: 254, 0-255 (AD0-AD15), 0-255
Hex: 0xFE, 0x00-0xFF, 0x00-0xFF
Read All Channels, 12-Bit A/D (Fusion Port 2)
This command will read all 16 channels at a time as a 12-bit A/D value for devices 0 to 2 and returns 34 bytes of data in order: Header Byte, Channels 0-15, Checksum Byte at end of packet.
The Checksum Value always equals the sum of all bytes sent, including the header. The Checksum Value is always 8 bits. You should extract the lower 8 bits from the Checksum to return a matched value. Use this formula:
CheckSumTest = Sum of All Bytes Sent from Controller Except Checksum
CheckSum = Last Byte Sent from Controller
(CheckSumTest AND 255) MUST Equal CheckSum
The AND function used in the above formula is a mathematical function that returns (in this case) the lower 8 bits of the CheckSumTest. AND is supported by Most Programming Languages. This command example accesses Port 2 on the Fusion Series Controllers if available.
The A/D Value of each channel is Re-Assembled using: Value = (MSB*256)+LSB
Send Bytes: Byte 1, Byte 2, Byte 3
Function: Command,Device 0-2, Port 2
Decimal Values: 254, 204-206, 2
Hex Values 0xFE, 0xCC-0xCE, 0x02
Receive Bytes:
Dec.: 254 (header) 0-255 (AD0-AD15 LSB) 0-255 (AD0-AD15 MSB) 0-255(CheckSum)
Hex: 0xFE, 0x00-0xFF, 0x00-0xFF, x00-0xFF
Summary Command Set
The command structure shown above may be applied to all commands for the AD1216. Below, you will find a complete list of commands, functions, and return values.
| Transmit | Command Description | Receive |
| 254 195 0-15 | Read a Single Channel as an 8-Bit Value Device 0 This Command Requires One Parameter indicating a Channel to Read from 0 to 15. | 0-255 |
| 254 203 0-15 | Read a Single Channel as an 8-Bit Value Device 1 This Command Requires One Parameter indicating a Channel to Read from 0 to 15. | 0-255 |
| 254 208 0-15 | Read a Single Channel as an 8-Bit Value Device 2 This Command Requires One Parameter indicating a Channel to Read from 0 to 15. | 0-255 |
| 254 199 0-15 | Read a Single Channel as an 12-Bit Value Device 0 This Command Requires One Parameter indicating a Channel to Read from 0 to 15. Two bytes are returned by this command, LSB then MSB. The A/D Value is Re-Assembled using: Value = (MSB*256)+LSB | 0-255 (LSB) 0-255 (MSB) |
| 254 207 0-15 | Read a Single Channel as an 12-Bit Value Device 1 This Command Requires One Parameter indicating a Channel to Read from 0 to 15. Two bytes are returned by this command, LSB then MSB. The A/D Value is Re-Assembled using: Value = (MSB*256)+LSB | 0-255 (LSB) 0-255 (MSB) |
| 254 209 0-15 | Read a Single Channel as an 12-Bit Value Device 2 This Command Requires One Parameter indicating a Channel to Read from 0 to 15. Two bytes are returned by this command, LSB then MSB. The A/D Value is Re-Assembled using: Value = (MSB*256)+LSB | 0-255 (LSB) 0-255 (MSB) |
| 254 192 | Read All 16 Channels at a Time, 8-Bit Resolution, Device 0. This Command Returns 16 Bytes in Order of Channel 0-15. | 16 Byte Returned Channels 0-15 |
| 254 193 | Read All 16 Channels at a Time, 8-Bit Resolution, Device 1. This Command Returns 16 Bytes in Order of Channel 0-15. | 16 Byte Returned Channels 0-15 |
| 254 194 | Read All 16 Channels at a Time, 8-Bit Resolution, Device 2. This Command Returns 16 Bytes in Order of Channel 0-15. | 16 Byte Returned Channels 0-15 |
| 254 196 | Read All 16 Channels at a Time, 12-Bit Resolution, Device 0. This Command Returns 32 Bytes in Order of Channel 0-15. Two bytes are returned for each channel using this command, LSB then MSB. The A/D Value is Re-Assembled using: Value = (MSB*256)+LSB | 32 Byte Returned Channels 0-15 0-255 (LSB) 0-255 (MSB) |
| 254 197 | Read All 16 Channels at a Time, 12-Bit Resolution, Device 1. This Command Returns 32 Bytes in Order of Channel 0-15. Two bytes are returned for each channel using this command, LSB then MSB. The A/D Value is Re-Assembled using: Value = (MSB*256)+LSB | 32 Byte Returned Channels 0-15 0-255 (LSB) 0-255 (MSB) |
| 254 198 | Read All 16 Channels at a Time, 12-Bit Resolution, Device 2. This Command Returns 32 Bytes in Order of Channel 0-15. Two bytes are returned for each channel using this command, LSB then MSB. The A/D Value is Re-Assembled using: Value = (MSB*256)+LSB | 32 Byte Returned Channels 0-15 0-255 (LSB) 0-255 (MSB) |
| Transmit | Command Description | Receive |
| 254 200 | Read All 16 Channels at a Time, 8-Bit A/D Device 0. This command returns 18 bytes of data in Order: Header Byte, Channels 0-15, Checksum Byte at End of Packet. Checksum Value Always Equals the Sum of All Bytes Sent, Including the Header. The Checksum Value is Always 8-Bits. You Should Extract the Lower 8 Bits from the Checksum to Return a Matched Value. Use This Formula: CheckSumTest = Sum of All Bytes Sent from Controller Except Checksum CheckSum = Last Byte Sent from Controller (CheckSumTest AND 255) MUST Equal CheckSum The AND Function Used in the Above Formula is a Mathematical Function that Returns (in this case) the Lower 8 Bits of the CheckSumTest. AND is supported by Most Programming Languages. | Header Byte 254 AD0(0-255) AD1(0-255) AD2(0-255) AD3(0-255) AD4(0-255) AD5(0-255) AD6(0-255) AD7(0-255) AD8(0-255) AD9(0-255) AD10(0-255) AD11(0-255) AD12(0-255) AD13(0-255) AD14(0-255) AD15(0-255) Checksum(0-255) |
| 254 201 | Read All 16 Channels at a Time, 8-Bit A/D Device 1. This command returns 18 bytes of data in Order: Header Byte, Channels 0-15, Checksum Byte at End of Packet. Checksum Value Always Equals the Sum of All Bytes Sent, Including the Header. The Checksum Value is Always 8-Bits. You Should Extract the Lower 8 Bits from the Checksum to Return a Matched Value. Use This Formula: CheckSumTest = Sum of All Bytes Sent from Controller Except Checksum CheckSum = Last Byte Sent from Controller (CheckSumTest AND 255) MUST Equal CheckSum The AND Function Used in the Above Formula is a Mathematical Function that Returns (in this case) the Lower 8 Bits of the CheckSumTest. AND is supported by Most Programming Languages. | Header Byte 254 AD0(0-255) AD1(0-255) AD2(0-255) AD3(0-255) AD4(0-255) AD5(0-255) AD6(0-255) AD7(0-255) AD8(0-255) AD9(0-255) AD10(0-255) AD11(0-255) AD12(0-255) AD13(0-255) AD14(0-255) AD15(0-255) Checksum(0-255) |
| Transmit | Command Description | Receive |
| 254 202 |
Read All 16 Channels at a Time, 8-Bit A/D Device 2. This command returns 18 bytes of data in Order: Header Byte, Channels 0-15, Checksum Byte at End of Packet. Checksum Value Always Equals the Sum of All Bytes Sent, Including the Header. The Checksum Value is Always 8-Bits. You Should Extract the Lower 8 Bits from the Checksum to Return a Matched Value. Use This Formula: CheckSumTest = Sum of All Bytes Sent from Controller Except Checksum CheckSum = Last Byte Sent from Controller (CheckSumTest AND 255) MUST Equal CheckSum The AND Function Used in the Above Formula is a Mathematical Function that Returns (in this case) the Lower 8 Bits of the CheckSumTest. AND is supported by Most Programming Languages. | Header Byte 254 AD0(0-255) AD1(0-255) AD2(0-255) AD3(0-255) AD4(0-255) AD5(0-255) AD6(0-255) AD7(0-255) AD8(0-255) AD9(0-255) AD10(0-255) AD11(0-255) AD12(0-255) AD13(0-255) AD14(0-255) AD15(0-255) Checksum(0-255) |
| Transmit | Command Description | Receive |
| 254 204 |
Read All 16 Channels at a Time, 12-Bit A/D Device 0. This command returns 34 bytes of data in Order: Header Byte, Channels 0-15, Checksum Byte at End of Packet. Checksum Value Always Equals the Sum of All Bytes Sent, Including the Header. The Checksum Value is Always 8-Bits. You Should Extract the Lower 8 Bits from the Checksum to Return a Matched Value. Use This Formula: CheckSumTest = Sum of All Bytes Sent from Controller Except Checksum CheckSum = Last Byte Sent from Controller (CheckSumTest AND 255) MUST Equal CheckSum The AND Function Used in the Above Formula is a Mathematical Function that Returns (in this case) the Lower 8 Bits of the CheckSumTest. AND is supported by Most Programming Languages. The A/D Value of each channel is Re-Assembled using: Value = (MSB*256)+LSB | Header Byte 254 AD0-LSB(0-255) AD0-MSB(0-255) AD1-LSB(0-255) AD1-MSB(0-255) AD2-LSB(0-255) AD2-MSB(0-255) AD3-LSB(0-255) AD3-MSB(0-255) AD4-LSB(0-255) AD4-MSB(0-255) AD5-LSB(0-255) AD5-MSB(0-255) AD6-LSB(0-255) AD6-MSB(0-255) AD7-LSB(0-255) AD7-MSB(0-255) AD8-LSB(0-255) AD8-MSB(0-255) AD9-LSB(0-255) AD9-MSB(0-255) AD10-LSB(0-255) AD10-MSB(0-255) AD11-LSB(0-255) AD11-MSB(0-255) AD12-LSB(0-255) AD12-MSB(0-255) AD13-LSB(0-255) AD13-MSB(0-255) AD14-LSB(0-255) AD14-MSB(0-255) AD15-LSB(0-255) AD15-MSB(0-255) Checksum(0-255) |
| Transmit | Command Description | Receive |
| 254 205 | Read All 16 Channels at a Time, 12-Bit A/D Device 1. This command returns 34 bytes of data in Order: Header Byte, Channels 0-15, Checksum Byte at End of Packet. Checksum Value Always Equals the Sum of All Bytes Sent, Including the Header. The Checksum Value is Always 8-Bits. You Should Extract the Lower 8 Bits from the Checksum to Return a Matched Value. Use This Formula: CheckSumTest = Sum of All Bytes Sent from Controller Except Checksum CheckSum = Last Byte Sent from Controller (CheckSumTest AND 255) MUST Equal CheckSum The AND Function Used in the Above Formula is a Mathematical Function that Returns (in this case) the Lower 8 Bits of the CheckSumTest. AND is supported by Most Programming Languages. The A/D Value of each channel is Re-Assembled using: Value = (MSB*256)+LSB | Header Byte 254 AD0-LSB(0-255) AD0-MSB(0-255) AD1-LSB(0-255) AD1-MSB(0-255) AD2-LSB(0-255) AD2-MSB(0-255) AD3-LSB(0-255) AD3-MSB(0-255) AD4-LSB(0-255) AD4-MSB(0-255) AD5-LSB(0-255) AD5-MSB(0-255) AD6-LSB(0-255) AD6-MSB(0-255) AD7-LSB(0-255) AD7-MSB(0-255) AD8-LSB(0-255) AD8-MSB(0-255) AD9-LSB(0-255) AD9-MSB(0-255) AD10-LSB(0-255) AD10-MSB(0-255) AD11-LSB(0-255) AD11-MSB(0-255) AD12-LSB(0-255) AD12-MSB(0-255) AD13-LSB(0-255) AD13-MSB(0-255) AD14-LSB(0-255) AD14-MSB(0-255) AD15-LSB(0-255) AD15-MSB(0-255) Checksum(0-255) |
| Transmit | Command Description | Receive |
| 254 206 | Read All 16 Channels at a Time, 12-Bit A/D Device 2. This command returns 34 bytes of data in Order: Header Byte, Channels 0-15, Checksum Byte at End of Packet. Checksum Value Always Equals the Sum of All Bytes Sent, Including the Header. The Checksum Value is Always 8-Bits. You Should Extract the Lower 8 Bits from the Checksum to Return a Matched Value. Use This Formula: CheckSumTest = Sum of All Bytes Sent from Controller Except Checksum CheckSum = Last Byte Sent from Controller (CheckSumTest AND 255) MUST Equal CheckSum The AND Function Used in the Above Formula is a Mathematical Function that Returns (in this case) the Lower 8 Bits of the CheckSumTest. AND is supported by Most Programming Languages. The A/D Value of each channel is Re-Assembled using: Value = (MSB*256)+LSB | Header Byte 254 AD0-LSB(0-255) AD0-MSB(0-255) AD1-LSB(0-255) AD1-MSB(0-255) AD2-LSB(0-255) AD2-MSB(0-255) AD3-LSB(0-255) AD3-MSB(0-255) AD4-LSB(0-255) AD4-MSB(0-255) AD5-LSB(0-255) AD5-MSB(0-255) AD6-LSB(0-255) AD6-MSB(0-255) AD7-LSB(0-255) AD7-MSB(0-255) AD8-LSB(0-255) AD8-MSB(0-255) AD9-LSB(0-255) AD9-MSB(0-255) AD10-LSB(0-255) AD10-MSB(0-255) AD11-LSB(0-255) AD11-MSB(0-255) AD12-LSB(0-255) AD12-MSB(0-255) AD13-LSB(0-255) AD13-MSB(0-255) AD14-LSB(0-255) AD14-MSB(0-255) AD15-LSB(0-255) AD15-MSB(0-255) Checksum(0-255) |
Troubleshooting
Run NCD Base Station Software to diagnose controller problems. Choose “Quality Control and Diagnostic: AD1216”.
If you experience problems with any AD1216 series device, you may use this diagnostics interface to help determine if there is a hardware problem. Many portions of this user interface will be hidden. In order to view all elements, it is necessary to check the number of analog devices you will be testing (lower left corner of the interface).
Next, you MUST test the Up/Down Jumpers BEFORE you are allowed to test individual input channels.
Once the Up/Down test has passed (by moving the up/down jumper into each position), move the Up/Down jumper to the UP position. Next, connect each analog input channel to ground (individually) using a jumper wire. It may take 1-5 seconds to test each input. An audible tone will indicate a “PASS” condition and you may move to the next analog input.
Test each analog input individually to pass the testing procedure.
If you need to test another controller, click the “Clear Test” button.
