CIO-DDA06/Jr User's Guide
Connecting the board for I/O operations
Connectors, cables – main I/O connector
The table below lists the board connector type, applicable cables, and compatible accessory products.
Connector type
Compatible cables
Compatible accessory products
with the C37FF-x cable or
C37FFS-x cable
Information on signal connections
General information regarding signal connection and configuration is available in the Guide to Signal
Connections (available at www.mccdaq.com/signals/signals.pdf).
Pinout – main I/O connector
The CIO-DDA06/Jr I/O connector is a standard 37-pin male connector that is accessible through the PC/AT
expansion bracket. Pin assignments of 8255 digital signals are identical to those on the CIO-DIO24.
The analog outputs of the CIO-DDA06/Jr are two-wire hook-ups. Always use low-level ground (LLGND) as
the ground reference for all analog hook-ups. The output range of the CIO-DDA06/Jr is ±5 volts and cannot be
changed. There are no trimming pots on the board so no hardware calibration is necessary or possible.
Board connector, cables, and accessory equipment
37-pin male "D" connector
C37FF-x
C37FFS-x
DFCON-37 (D-connector, D-shell, and termination pins to construct your own cable)
CIO-MINI37
CIO-TERMINAL
CIO-SPADE50
SCB-37
SSR-RACK24
ENC-MINI37
LLGND 19
D/A OUT 0 18
LLGND 17
D/A OUT 1
16
LLGND 15
D/A OUT 2
14
LLGND 13
D/A OUT 3
12
DGND 11
FIRSTPORT B Bit 0 10
FIRSTPORT B Bit 1
9
FIRSTPORT B Bit 2
8
FIRSTPORT B Bit 3
7
FIRSTPORT B Bit 4
6
FIRSTPORT B Bit 5
5
FIRSTPORT B Bit 6
4
FIRSTPORT B Bit 7
3
D/A OUT 4
2
D/A OUT 5
1
Figure 4. I/O connector pin-out
12
37
FIRSTPORT A Bit 0
36
FIRSTPORT A Bit 1
35
FIRSTPORT A Bit 2
34
FIRSTPORT A Bit 3
33
FIRSTPORT A Bit 4
32
FIRSTPORT A Bit 5
31
FIRSTPORT A Bit 6
30
FIRSTPORT A Bit 7
29
FIRSTPORT C Bit 0
28
FIRSTPORT C Bit 1
27
FIRSTPORT C Bit 2
26
FIRSTPORT C Bit 3
25
FIRSTPORT C Bit 4
24
FIRSTPORT C Bit 5
23
FIRSTPORT C Bit 6
22
FIRSTPORT C Bit 7
21 LLGND
20 LLGND
Installing the CIO-DDA06/Jr
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