Commands Below are in Hex Format using API Mode. TX = Bytes Sent to the Controller RX = Bytes Received from the Controller.  Note: Bytes Received May be Different for Some Commands.

R = Relay (74-7C)
B = Bank (01-20)
ST = Status of Relays Byte (00-FF)
CK = Checksum Byte (00-FF)
TX:23RBCKFunction:RX:2STCK
AA03FE740120Read the On/Off Status of Relay 1 in Bank 1AA0100AB
AA03FE750121Read the On/Off Status of Relay 2 in Bank 1AA0100AB
AA03FE760122Read the On/Off Status of Relay 3 in Bank 1AA0100AB
AA03FE770123Read the On/Off Status of Relay 4 in Bank 1AA0100AB
AA03FE780124Read the On/Off Status of Relay 5 in Bank 1AA0100AB
AA03FE790125Read the On/Off Status of Relay 6 in Bank 1AA0100AB
AA03FE7A0126Read the On/Off Status of Relay 7 in Bank 1AA0100AB
AA03FE7B0127Read the On/Off Status of Relay 8 in Bank 1AA0100AB
AA03FE7C0128Read the On/Off Status of All Relays in Bank 1AA0100AB