37 event output, remote hold input, event input, Conn. for dual solid state switch version a, 37 power supply input, temp & rh output conn – Watlow Electric Ramping and Profiling Microprocessor-Based Control SERIES 1500 User Manual
Page 37: For dual solid state switch version a, Installation-wiring, Event input/output, open collector
37 event output, remote hold input, event input, Conn. for dual solid state switch version a, 37 power supply input, temp & rh output conn | For dual solid state switch version a, Installation-wiring, Event input/output, open collector | Watlow Electric Ramping and Profiling Microprocessor-Based Control SERIES 1500 User Manual | Page 37 / 90