P1 – analog i/o – Measurement Computing LogBook Series User Manual
Page 51
LogBook User’s Manual
957096
System Expansion 4-7
P1 – Analog I/O
Pin
Signal Name
Description for P1 Pin Use
1
+5 PWR
+5 V supply @ 0.100 A
2
-15 VDC with diode
-15 V supply @ 0.150 A
3
CHS 3
Channel select line for expansion cards
4
CHS 1
Channel select line for expansion cards
5
GS 1
Gain select line for expansion cards
6
GS 0
Gain select line for expansion cards
7
POWER GND
Digital ground
8
NEGREF (-5 V)
-5.0000 VDC @ 0.005 A reference used for various DBKs
9
POSREF (+5 V)
+5.0000 VDC @ 0.005 A reference used for calibration with optional 4-channel D/A board
10 N/C
No
Connection
11
CH 7 LO IN/CH 15 HI IN
Ch 7 LO IN (differential mode)/ch 15 HI IN (single-ended mode)
12
CH 6 LO IN/CH 14 HI IN
Ch 6 LO IN (differential mode)/ch 14 HI IN (single-ended mode)
13
CH 5 LO IN/CH 13 HI IN
Ch 5 LO IN (differential mode)/ch 13 HI IN (single-ended mode)
14
CH 4 LO IN/CH 12 HI IN
Ch 4 LO IN (differential mode)/ch 12 HI IN (single-ended mode)
15
CH 3 LO IN/CH 11 HI IN
Ch 3 LO IN (differential mode)/ch 11 HI IN (single-ended mode)
16
CH 2 LO IN/CH 10 HI IN
Ch 2 LO IN (differential mode)/ch 10 HI IN (single-ended mode)
17
CH 1 LO IN/CH 9 HI IN
Ch 1 LO IN (differential mode)/ch 9 HI IN(single-ended mode)
18
CH 0 LO IN/CH 8 HI IN
Ch 0 LO IN (differential mode)/ch 8 HI IN (single-ended mode)
19
L.L. GND
Low-level ground (analog ground - use with analog inputs and outputs)
20
PCRCLK
Pacer clock output/input
21
+15 VDC with diode
+15 V supply @ 0.150 A
22
CHS 2
Channel select line for expansion cards
23
CHS 0
Channel select line for expansion cards
24
DIG IN 1
Digital input bit 1
25
DIG IN 0
External TTL trigger input
26
SSH
Simultaneous Sample and Hold Output
27
CAL24
Calibration output (+24 V @ 0.010 A)
28
L.L. GND
Low-level ground (analog ground - use with analog inputs and outputs)
29
L.L. GND
Low-level ground (analog ground - use with analog inputs and outputs)
30
CH 7 HI IN
Ch 7 HI IN (single-ended mode or differential mode)
31
CH 6 HI IN
Ch 6 HI IN (single-ended mode or differential mode)
32
CH 5 HI IN
Ch 5 HI IN (single-ended mode or differential mode)
33
CH 4 HI IN
Ch 4 HI IN (single-ended mode or differential mode)
34
CH 3 HI IN
Ch 3 HI IN (single-ended mode or differential mode)
35
CH 2 HI IN
Ch 2 HI IN (single-ended mode or differential mode)
36
CH 1 HI IN
Ch 1 HI IN (single-ended mode or differential mode)
37
CH 0 HI IN
Ch 0 HI IN (single-ended mode or differential mode)