Relay grouping commands can help you save money, and in some cases, a lot of money.  Simulating large expensive relays with smaller low-cost relays is an excellent way to provide greater functionality at a much lower cost point.  Relay grouping is the process of controlling relays in groups rather than individual relays.  For instance, we do not offer 20-Amp DPDT relay.  Locating such a relay may be impossible or expensive, so instead, you can simulate a 20-Amp DPDT relay using two 20-Amp SPDT relays for a much more reasonable and accessible price.  Another common request we receive is a 10-Amp DPDT relay controller.  DPDT relays with a 10 Amp rating are more accessible, but still very costly.  Again, we can use a relay grouping command to simulate a 10-Amp DPDT relay using two 10-Amp SPDT relays.  You can really start saving money if you have needs for exotic relay configurations, such as 3PDT, 4PDT, or even 8PDT (if there is such a thing).

Relay grouping introduces a “Neighbor” variable to standard ProXR relay control commands.  The Neighbor parameter is used to define how many Neighboring relays you would like to apply to a relay control command.  Here’s an example:

Standard Command for Activating Relay 1:
Hex: AA 03 FE 6C 18
Decimal: 170 3 254 108 1 24
Standard Command for Activating Relay 1 + 1 Neighbor (2 SPDT Relays to Simulate a DPDT Relay):
Hex: AA 04 FE 6C 01 01 1A
Decimal: 170 4 254 108 1 1 26

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