Instruction Manual

7
1
3
5
13
11
9
7
15
17
2
4
6
14
12
10
8
16
18
19 20
AI0
AI1
AI2
AI3
AI4
AI5
AI6
AI7
A.GND
A.GND
AI8
AI9
AI10
AI11
AI12
AI13
AI14
AI15
A.GND
A.GND
1
3
5
13
11
9
7
15
17
2
4
6
14
12
10
8
16
18
19 20
AIH0
AIH1
AIH2
AIH3
AIH4
AIH5
AIH6
AIH7
A.GND
A.GND
AIL0
AIL1
AIL2
AIL3
AIL4
AIL5
AIL6
AIL7
A.GND
A.GND
2.6 Connector Pin Assignment
The PCM-9112+ DAQ module has two 20-pin connectors. CN1 is for analog input and CN2 for
analog output, timer/counter’s signals.
Figure 3: CN1 pin assignment for
single-ended connection
Figure 4: CN1 pin assignment for
differential connection
Figure 5: CN2 pin assignment
Legend:
AIn
: Analog input channel n (single-ended)
AIHn
: Analog high input channel n (differential)
AILn
: Analog low input channel n (differential)
ExtRef n
: External reference voltage for D/A channel n
AOn
: Analog output channel n
ExtCLK
: External clock input
ExtTrig
: External trigger signal
GATE
: Gate input for 8254
COUT n
: Signal output of counter n
V.REF
: Voltage reference
A.GND
: Analog ground
D.GND
: Digital ground
V.REF AO1
1
3
5
13
11
9
7
15
17
2
4
6
14
12
10
8
16
18
19 20
ExtRef2
+12V
A.GND
D.GND
COUT0
ExtTr
g
N/C
+5V
N/C
ExtRef1
AO2
GATE0
GATE
COUT1
N
/C
ExTCLK
N
/C
N
/C