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ET-2200 Series Ethernet I/O Modules
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2.2.2
DI/DO Specification
ET-2242/ET-2242U
Model
ET-2242
ET-2242U
Digital Output
Channels
16
Type
Open collector
Push-Pull
Sink/Source (NPN/PNP)
Sink
Sink/Source
Load Voltage
+3.5 V ~ +50 V
+3.5 V ~ +80 V
Max. Load Current
650 mA/Channel
500 mA/Channel
Overload Protection
1.4 A
(with short-circuit protection)
-
Overvoltage Protection
+60 V
DC
-
ET-2251
Model
ET-2251
Digital Input/Counter
Channels
16
Contact
Wet Contact
Sink/Source (NPN/PNP)
Sink/Source
On Voltage Level
+5 V
DC
~ +50 V
DC
Off Voltage Level
+1 V
DC
Max.
Input Impedance
7.5 kΩ
Counters
Max. Count
4,294,967,295 (32 bits)
Max. Input Frequency
3 kHz
Programmable Digital Filter
1 ~ 6500 ms (0.08 Hz ~ 500 Hz)
Overvoltage Protection
+70 V
DC