The ST-1214 is a digital input expansion module designed for use with Crevis's modular I/O systems.
The ST-1214 is a digital input expansion module designed for use with Crevis's modular I/O systems. It provides 4 sink-type digital inputs using positive logic (PNP), suitable for 12/24 VDC control systems.
Technical Specifications
Category
Details
Number of Inputs
4
Input Type
Sink Type (Positive Logic)
Input Voltage Range
12/24 VDC (10.2V–28.8V)
OFF-State Voltage
Max. 5V DC
ON-State Current
Max. 6 mA @ 28.8V DC
Nominal Input Impedance
Typical 5.1
Input Delay
OFF to ON: Max. 3ms; ON to OFF: Max. 3ms
Filtering Time
Typical 1.5ms (software filtering)
Current Consumption
35 mA @ 5V DC
Indicators
4 green input state LEDs; 1 green/red bus state LED