Advantech Data Acquisition Modules ADAM 4000 User Manual
Page 358
Technical Specifications
A-30 ADAM 4000 Series User’s Manual
A.12 ADAM-4051/4052 Isolated Digital Input Module
Table A-16 ADAM-4051/4502 Specifications
DI/O channel number
ADAM-4501:
16 digital inputs
ADAM-4052:
8 digital inputs
(6 fully independent isolated
channels, and 2 isolated channels
with common ground)
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)
Digital input level
ADAM-4051:
Dry Contact:
Logic level 0:
Logic level 1:
Wet Contact:
Logic level 0:
Logic level 1:
ADAM-4052:
Logic level 0:
Logic level 1:
Close to GND
Open
+3V maximum
+10 to 50V
+1V maximum
+3 to 30V
Input resistance
ADAM-4051:
5.2 kΩ
ADAM-4052:
3 kΩ
Isolation voltage
ADAM-4051:
2500 V
DC
ADAM-4052:
5000 V
RMS
Over-voltage protect
70 V
DC
(ADAM-4051 only)
Support protocol
ADAM-4051:
ADAM ASCII and MODBUS/RTU
ADAM-4052:
ADAM ASCII
(Table continued on next page)