ADLINK PCI-8124-C - Manual (Page 26)

16 Signal Connections
3.1 Connector (CN1) Pin Definition
There are 4 Isolated Latch Inputs, 4 A-B-Z Encoder Inputs, 4 TTL
level Inputs, 4 TTL level outputs and 4 Isolated Outputs on PCI-
8124-C. The following table shows the pin assignment of CN1.
CN1No. Name I/O Function
1 INCOM1 - Latch input common
2 LTC1 I Latch input
3 INCOM2 - Latch input
4 LTC2 I Latch input
5 EGND - Trigger output reference
6 TRG1 O Trigger output
7 OUTCOM2 - Trigger output reference
8 TRG2 O Trigger output
9 EA1+ I A-phase encoder (+)
10 EA1- I A-phase encoder (-)
11 EB1+ I B-phase encoder (+)
12 EB1- I B-phase encoder (-)
13 EZ1+ I Z-phase encoder (+)
14 EZ1- I Z-phase encoder (-)
15 EA2+ I A-phase encoder (+)
16 EA2- I A-phase encoder (-)
17 EB2+ I B-phase encoder (+)
18 EB2- I B-phase encoder (-)
19 EZ2+ I Z-phase encoder (+)
20 EZ2- I Z-phase encoder (-)
21 TTL-IN1 I TTL input signal
22 TTL-IN2 I TTL input signal
23 TTL-OUT1 O TTL output signal
24 TTL-OUT2 O TTL output signal
25 DGND - TTL signal ground
26 INCOM3 - Latch input common
27 LTC3 I Latch input
28 INCOM4 - Latch input common