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Documentation
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IO141 Pin Mapping

IO141 Pin Mapping — Reference information about the I/O module connector

Front Connector

PinSignal (Single-Ended Mode)Signal (Differential Mode)PinSignal (Single-Ended Mode)Signal (Differential Mode)
1Analog Input 07Analog Input 04 (+)35Analog Input 08Analog Input 04 (-)
2Analog Input 05Analog Input 03 (+)36Analog Input 06Analog Input 03 (-)
3GNDGND37GNDGND
4Analog Input 03Analog Input 02 (+)38Analog Input 04Analog Input 02 (-)
5Analog Input 01Analog Input 01 (+)39Analog Input 02Analog Input 01 (-)
6Analog Input 15Analog Input 12 (+)40Analog Input 16Analog Input 12 (-)
7Analog Input 13Analog Input 11 (+)41Analog Input 14Analog Input 11 (-)
8GNDGND42GNDGND
9Analog Input 11Analog Input 10 (+)43Analog Input 12Analog Input 10 (-)
10Analog Input 09Analog Input 09 (+)44Analog Input 10Analog Input 09 (-)
11--45--
12--46--
13GNDGND47GNDGND
14--48--
15--49--
16--50--
17--51--
18GNDGND52GNDGND
19--53--
20--54--
21Analog Output 4-55GNDGND
22Analog Output 3-56GNDGND
23Analog Output 2-57GNDGND
24Analog Output 1-58GNDGND
25--59GNDGND
26--60GNDGND
27--61GNDGND
28--62GNDGND
29GNDGND63GNDGND
30Digital I/O 1-64Digital I/O 2 -
31Digital I/O 3-65Digital I/O 4 -
32GNDGND66GNDGND
33Digital I/O 5-67Digital I/O 6 -
34Digital I/O 7-68Digital I/O 8 -
[Important]Important

Unused analog input pins must be connected to GND.

The signal level of the analog input pins on the I/O connector must not exceed 12.288 V (referenced to ground).