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Appendix B: Input/Output Connections
VX4101A MultiPaq Instrument User Manual
B–3
Table B–2: 160-Pin Connector Pinouts (Cont.)
Maximum voltage
limits
Input or OutputSignal descriptionPin number
13D Digital I/O Pin 17 Input/Output +0 - 32 VDC
13C Digital I/O Pin 18 Input/Output +0 - 32 VDC
13B Digital I/O Pin 19 Input/Output +0 - 32 VDC
13A Digital I/O Pin 20 Input/Output +0 - 32 VDC
12D Digital I/O Pin 21 Input/Output +0 - 32 VDC
12C Digital I/O Pin 22 Input/Output +0 - 32 VDC
12B Digital I/O Pin 23 Input/Output +0 - 32 VDC
12A Digital I/O Pin 24 Input/Output +0 - 32 VDC
11D Digital I/O Pin 25 Input/Output +0 - 32 VDC
11C Digital I/O Pin 26 Input/Output +0 - 32 VDC
11B Digital I/O Pin 27 Input/Output +0 - 32 VDC
11A Digital I/O Pin 28 Input/Output +0 - 32 VDC
10D Digital I/O Pin 29 Input/Output +0 - 32 VDC
10C Digital I/O Pin 30 Input/Output +0 - 32 VDC
10B Digital I/O Pin 31 Input/Output +0 - 32 VDC
10A Digital I/O Pin 32 Input/Output +0 - 32 VDC
18B Digital I/O External Excitation Input +0 - 32 VDC
17E Digital I/O Return Input/Output Ground
18C Digital I/O Return Input/Output Ground
18A Digital In Acknowledge* Output TTL
13E Digital In Request* Input TTL
11E Digital Out Request * Input TTL
15E Digital Out Acknowledge * Output TTL
9E Relay Driver 1 Output +0 - 35 VDC
9D Relay Driver 2 Output +0 - 35 VDC
9C Relay Driver 3 Output +0 - 35 VDC
9B Relay Driver 4 Output +0 - 35 VDC
8E Relay Driver 5 Output +0 - 35 VDC
8D Relay Driver 6 Output +0 - 35 VDC
8C Relay Driver 7 Output +0 - 35 VDC
8B Relay Driver 8 Output +0 - 35 VDC
9A Relay External Excitation Input +0 - 35 VDC
8A Relay Excitation Return Input/Output Ground
24A DMM Trigger * Input TTL