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Appendix: Extension Card Options
Model Type Description Slot ID
GE20‑4DI Digital input/
output
4 inputs
24 VDC input
Source/Sink
A/B 13
GE20‑4DO‑TN 4 transistor sink outputs
24 VDC output
A/B 5
GE20‑
2AD1DA‑I
Analog input/
output
2 analog inputs and 1 analog
output (current type)
A/B 11
GE20‑
2AD1DA‑V
2 analog inputs and 1 analog
output (voltage type)
A/B 3
GE20‑CAN‑485 Communication
extension
CAN and 485 communication
(RJ45 interface)
A 15
GE20‑232/485 RS232 or RS485
communication
A/B 7
GE20‑232/
485‑RTC
RS232 or RS485
communication (with RTC)
B 14
GE20‑TF Storage
extension
TF extension card B 1
GE20‑RTC Clock extension Clock extension card B 9
Note
The ID is "0" when there is no extension card.