The following relay grouping commands can be used to activate relays in groups, simulating DPDT, 3PDT, 4DPDT, and up to 8PDT relays using low-cost SPDT relays. Note the Neighbor Parameter (N) has a maximum allowed value of 7. Also note the (N) value cannot extend into the next bank. For instance, Relay 1 has up to 7 neighbors, but Relay 8 has no neighbors because Relay number 9 is located in the next relay bank (Bank 2). Here is a table of Neighbors allowed for each relay:
Relay
Maximum Neighbors
1
7
2
6
3
5
4
4
5
3
6
2
7
1
8
0
Here are a few examples that properly apply neighbors:
