Parameter
Number of channels: 8 channels
Signal type 24V DC dry contact/passive contact
Input voltage 24 VDC (operating range: 19.2~28.8 VDC)
Logic threshold high level (ON) ≥ 11 VDC; Low level (OFF) ≤ 3 VDC
1500V DC photoelectric isolation between electrical isolation channel and system
Typical response time of 5 ms (software configurable)
Power supply system backplane 24V DC power supply
Power consumption is about 2.5 W
Working temperature -40 ℃~+70 ℃
Storage temperature -40 ℃~+85 ℃
Protection level IP20
Weight approximately 0.2 kg
Size approximately 100mm x 50mm x 30mm

Functions and Applications
Core application: Collect passive contact signals such as valve limit switches, pump start stop status, liquid level/pressure switches, etc., and connect them to the DeltaV control system.
Typical scenarios: Process automation systems for petrochemical, power, metallurgy, papermaking, etc., used for equipment status monitoring and logic control.
Supporting components: need to be used in conjunction with KJ4001X1-CA1 standard I/O terminal block.