Connecting The Board For I/O Operations; Connectors, Cables - Main I/O Connector; Pinout - Main I/O Connector - Measurement Computing CIO-DIO48H User Manual

CIO-DIO48H User's Guide

Connecting the board for I/O operations

Connectors, cables – main I/O connector
The table below lists the board connector, applicable cables, and compatible accessory products.
Connector type
Compatible cables
Compatible accessory products
with the C50FF-x cable
Pinout – main I/O connector
The CIO-DIO48H connector is a 50-pin male shrouded header connector that is accessible through the PC/AT
expansion bracket.
All the digital inputs and outputs are TTL. Under normal operating conditions, the voltages on the I/O pins
range from near 0 volts for the low state, to near 5 volts for the high state. The voltages and currents of external
devices usually exceed these values. Because of this, external relays are usually employed to handle higher
current and voltage loads.
In addition to load matching, digital signal sources often need to be filtered or "de-bounced". Refer to the Guide
to Signal Connections for information on digital interfacing. This document is available at
www.mccdaq.com/signals/signals.pdf
Board connector, cables, and accessory equipment
50-pin shrouded male header
C50FF-x
CIO-TERM100
CIO-SPADE50
CIO-MINI50
SSR-RACK24, SSR-RACK48
CIO-ERB24, CIO-ERB48
GND 50
FIRSTPORTC Bit 0 48
FIRSTPORTC Bit 2 46
FIRSTPORTC Bit 4 44
FIRSTPORTC Bit 6 42
FIRSTPORTB Bit 0 40
FIRSTPORTB Bit 2 38
FIRSTPORTB Bit 4 36
FIRSTPORTB Bit 6 34
FIRSTPORTA Bit 0 32
FIRSTPORTA Bit 2 30
FIRSTPORTA Bit 4 28
FIRSTPORTA Bit 6 26
SECONDPORTC Bit 0 24
SECONDPORTC Bit 2 22
SECONDPORTC Bit 4 20
SECONDPORTC Bit 6 18
SECONDPORTB Bit 0 16
SECONDPORTB Bit 2 14
SECONDPORTB Bit 4 12
SECONDPORTB Bit 6 10
SECONDPORTA Bit 0 8
SECONDPORTA Bit 2 6
SECONDPORTA Bit 4 4
SECONDPORTA Bit 6 2
Figure 2. I/O connector pin-out
49 +5V
47 FIRSTPORTC Bit 1
45 FIRSTPORTC Bit 3
43 FIRSTPORTC Bit 5
41 FIRSTPORTC Bit 7
39 FIRSTPORTB Bit 1
37 FIRSTPORTB Bit 3
35 FIRSTPORTB Bit 5
33 FIRSTPORTB Bit 7
31 FIRSTPORTA Bit 1
29 FIRSTPORTA Bit 3
27 FIRSTPORTA Bit 5
25 FIRSTPORTA Bit 7
23 SECONDPORTC Bit 1
21 SECONDPORTC Bit 3
19 SECONDPORTC Bit 5
17 SECONDPORTC Bit 7
15 SECONDPORTB Bit 1
13 SECONDPORTB Bit 3
11 SECONDPORTB Bit 5
9 SECONDPORTB Bit 7
7 SECONDPORTA Bit 1
5 SECONDPORTA Bit 3
3 SECONDPORTA Bit 5
1 SECONDPORTA Bit 7
11
Installing the CIO-DIO48H