The ST-3218 is a digital input module with 8 channels, designed for use in 12/24 VDC control systems.
The ST-3218 is a digital input module with 8 channels, designed for use in 12/24 VDC control systems. It supports sink-type inputs (NPN) and is ideal for compact industrial automation applications.
Technical Specifications
Category
Details
Number of Inputs
8 channels
Input Type
Sink Type (NPN, Negative 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
45 mA @ 5V DC
Indicators
8 green input state LEDs; 1 green/red bus state LED
