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DaqBook
P1 Pinout
Analog I/O
(compatible with
Metrabyte DAS-16)
Pin
Signal Name
1
+5 PWR
2
CTR 0 OUT/-15 VDC
3
OP 3/CHS 3
4
OP 1/CHS 1
5
IP 3/GS 1
6
IP 1/GS 0
7
POWER GND
8
VREF (-5V)
9
D/A 0 OUT
10
D/A 0 REF IN
11
CH 7 LO IN/CH 15 HI IN
12
CH 6 LO IN/CH 14 HI IN
13
CH 5 LO IN/CH 13 HI IN
14
CH 4 LO IN/CH 12 HI IN
15
CH 3 LO IN/CH 11 HI IN
16
CH 2 LO IN/CH 10 HI IN
17
CH 1 LO IN/CH 9 HI IN
18
CH 0 LO IN/CH 8 HI IN
19
L.L. GND
20
CTR 2 OUT
21
CTR 0 CLOCK IN/+15 VDC
22
OP 2/CHS 2
23
OP 0/CHS 0
24
IP 2/CTR 0 GATE
25
IP 0/TRIG 0
26
D/A 1 REF IN/SSH
27
D/A 1 OUT
28
L.L. GND
29
L.L. GND
30
CH 7 HI IN
31
CH 6 HI IN
32
CH 5 HI IN
33
CH 4 HI IN
34
CH 3 HI IN
35
CH 2 HI IN
36
CH 1 HI IN
37
CH 0 HI IN
Note: Software configuration commands determine P1 digital I/O pin functions. Actual shunt-jumper placement is required to provide
±15 VDC to expansion cards or disconnect internal DAC references to allow externally selected DAC references. Digital I/O cannot
be used with DBKs. "/" indicates the pin can be used for either function but not both at the same time.
Note 1: Refer to the Power Management section in the DBK options manual (p/n OMB-457-0905).
Reference Note:
The Power Management section of the DBK Option Cards and Modules User's Manual (p/n OMB-457-0905)
contains additional power-related information. As a part of product support, this manual is automatically loaded
onto your hard drive during software installation. The default location is the Programs directory, which can be
accessed through the Windows Desktop.
OMB-DaqBook User's Manual
+5 V supply
Counter 0 output (8254 chip)/ -15 V supply
Digital out bit 3/channel select line for expansion cards
Digital out bit 1/channel select line for expansion cards
Digital in bit 3/gain select line for expansion cards
Digital in bit 1/gain select line for expansion cards
Digital ground
-5 V supply @ 10 mA max
Digital to analog converter output ch 0
Digital to analog converter reference in ch 0 (must invert)
Ch 7 LO IN (differential mode)/ch 15 HI IN (single-ended mode)
Ch 6 LO IN (differential mode)/ch 14 HI IN (single-ended mode)
Ch 5 LO IN (differential mode)/ch 13 HI IN (single-ended mode)
Ch 4 LO IN (differential mode)/ch 12 HI IN (single-ended mode)
Ch 3 LO IN (differential mode)/ch 11 HI IN (single-ended mode)
Ch 2 LO IN (differential mode)/ch 10 HI IN (single-ended mode)
Ch 1 LO IN (differential mode)/ch 9 HI IN(single-ended mode)
Ch 0 LO IN (differential mode)/ch 8 HI IN (single-ended mode)
Low-level ground (analog ground - use with analog inputs and outputs)
Counter 2 output (8254 chip)
Counter 0 clock in (8254 chip)/+15 V supply
Digital output bit 2/ channel select line for expansion cards
Digital output bit 0/channel select line for expansion cards
Digital input bit 2/counter 0 gate (16-bit support only)
Digital input bit 0/trigger 0
Digital-to-analog converter reference in ch 1 (must invert)/ SSH
Digital-to-analog converter output ch 1
Low-level ground (analog ground - use with analog inputs and outputs)
Low-level ground (analog ground - use with analog inputs and outputs)
Ch 7 HI IN (single-ended mode or differential mode)
Ch 6 HI IN (single-ended mode or differential mode)
Ch 5 HI IN (single-ended mode or differential mode)
Ch 4 HI IN (single-ended mode or differential mode)
Ch 3 HI IN (single-ended mode or differential mode)
Ch 2 HI IN (single-ended mode or differential mode)
Ch 1 HI IN (single-ended mode or differential mode)
Ch 0 HI IN (single-ended mode or differential mode)
01-23-02
Description for P1 Pin Use
see Note 1
see Note 1
see Note 1
DaqBook Hardware
3-9
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