Control Boards
81P-0130
Graves Electronics
81P-0130; Opto1 optocoupler input module for the Graves Electronics Controller Board 81P-0001 ; uses the NXP PCF8574A chip for I/O functions; accepts a wide range of input voltages; utilizes an ON Semiconductor optocoupler (Part #H11L1M, Schmitt trigger, inverting output chip); plugs into either of the module ports on the controller board; uses...
1-9 | $66.7100 |
10-24 | $64.3000 |
25-49 | $62.1200 |
50+ | $60.7500 |
81P-0131
Graves Electronics
81P-0131; Opto2 optocoupler input module for the Graves Electronics Controller Board 81P-0001 ; uses the NXP PCF8574 chip for I/O functions; accepts a wide range of input voltages; utilizes an ON Semiconductor optocoupler (Part #H11L1M, Schmitt trigger, inverting output chip); plugs into either of the module ports on the controller board; uses...
1-9 | $66.7100 |
10-24 | $64.3000 |
25-49 | $62.1200 |
50+ | $60.7500 |