Advantech Data Acquisition Modules ADAM 4000 - Manual (Page 363)

Appendix A
Appendix A Technical Specification A-35
A.14 ADAM-4055 Isolated Digital Input/Output Module
Table A-18 ADAM-4055 Specifications
DI/O channel
number 8 digital inputs
8 digital outputs
Input/Output
speed (bps)
Maximum distance RS-485 (2-wire)
1200, 2400, 4800, 9600, 19.2K, 38.4K,
57.6K, 115.2K
4000 ft. (1200 m)
Isolation voltage 2500 V
DC
Opto-isolator
response time 25 µs
Over-voltage protect 70 V
DC
ESD (Electro Static
Discharge) 2000 V
DC
Digital input level
Dry Contact:
Logic level 0:
Logic level 1:
Wet Contact:
Logic level 0:
Logic level 1:
Open
Close to GND
+3V maximum
+10 to 50V
Digital output
Sink-current
Power dissipation Open collector to 40 V
200 mA maximum
Channel: 1W maximum
Total: 2.2W (8 channels)
LED Indicator: On: Active
Off: Non-active
Support protocol ADAM ASCII and MODBUS/RTU
Watchdog timer System (1.6 second) and communication
Power supply +10 to +30 V
DC
(non-regulated)
Power consumption 1.0 W @ 24 V
DC