rs-485 data transfer module

16-Channel Digital Input
Dry Contact and Wet Contact Selectable via Wire
Connections
Photocouple Isolation
Long Distance Measurement
All Channels can be used as 16-bit Counters
±4 kV ESD Protection
±4 kV EFT Protection
±3 kV Surge Protection
3750 VDC Isolation Voltage
Dual Watchdog
Wide Operating Temperature Range: -25 to +75°C

product pdf file