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Technical Specifications
A.12 ADAM-4051/4052 Isolated Digital Input Module
Table A-16 ADAM-4051/4502 Specifications
DI/O channel number
Input/Output
speed (bps)
Maximum distance
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:
Input resistance
Isolation voltage
Over-voltage protect
Support protocol
A-30 ADAM 4000 Series User's Manual
ADAM-4501:
ADAM-4052:
(6 fully independent isolated
channels, and 2 isolated channels
with common ground)
RS-485 (2-wire)
1200, 2400, 4800, 9600, 19.2K,
38.4K, 57.6K, 115.2K
4000 ft. (1200 m)
Close to GND
Open
+3V maximum
+10 to 50V
+1V maximum
+3 to 30V
ADAM-4051:
ADAM-4052:
ADAM-4051:
ADAM-4052:
70 V
(ADAM-4051 only)
DC
ADAM-4051:
ADAM ASCII and MODBUS/RTU
ADAM-4052:
ADAM ASCII
(Table continued on next page)
16 digital inputs
8 digital inputs
5.2 kΩ
3 kΩ
2500 V
DC
5000 V
RMS
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