Table B-1 Main I/O Connector Pin Assignments; For The Das-800 - Keithley DAS-800 series User Manual

Table B-1. Main I/O Connector Pin Assignments
Pin Name
1 +12 V
2 CLK0
3 OUT0
4 CLK1
5 OUT1
6 OUT2
7 OP1
8 OP2
9 OP3
10 OP4
11 DIG COM
12 LL COM
13 LL COM
14 LL COM
15 LL COM
16 LL COM
17 LL COM
18 LL COM
19 VREF
−12 V
20
21 GATE0
22 GATE1
23 GATE2
24 INT_IN /
XCLK

for the DAS-800

Function
+12 V power from host computer
8254 C/T0 clock input
8254 C/T0 output
8254 C/T1 clock input
8254 C/T1 output
8254 C/T2 output
Digital output bit 0
Digital output bit 1
Digital output bit 2
Digital output bit 3
Digital common
Low-level common
Low-level common
Low-level common
Low-level common
Low-level common
Low-level common
Low-level common
10 V (±0.1 V) reference output
−12 V power from host computer
8254 C/T0 gate input
8254 C/T1 gate input
8254 C/T2 gate input
External interrupt input / external
clock source input
B-3