Omega CIO-RELAY16 User Manual
User's Guide
http://www.omega.com
e-mail: info@omega.com
CIO-RELAY08
CIO-RELAY16
CIO-RELAY24
CIO-RELAY32
For Your Notes
Table of Contents
1 INTRODUCTION
1.1 ACCESSORIES
2 QUICK START
2.1 Install the InstaCalTM software
2.2 Run InstaCalTM
3 HARDWARE INSTALLATION
3.1 Mercury whetted (/M) board special considerations
3.2 BASE ADDRESS
3.3 WAIT STATE
4 PROGRAMMING
4.1 DIRECT I/O REGISTER PROGRAMMING
4.2 PROGRAMMING NOTES
4.3 DETAILED RELAY CONTROL I/O MAP
5 CONNECTING TO RELAYS
5.1 I/O CONNECTOR DIAGRAMS
5.2 FORM C RELAYS (standard versions)
5.3 FORM A RELAYS (/M versions)
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6 SPECIFICATIONS
6.1 CIO-RELAY08, 16, 24 and 32 (standard versions)
6.2 MERCURY WETTED (/M) VERSIONS
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1 INTRODUCTION
The CIO-RELAY16 is a 16 channel relay interface board for ISA bus computers. The
board provides 16 Form C (SPDT) relays. The CIO-RELAY08 board is designed for
applications that require fewer relays and is identical to the RELAY16 board except
that only 8 relays are installed. The CIO-RELAY32 is two CIO-RELAY16s on a single board while the CIO-RELAY24 is are CIO-RELAY32 with eight of the relays not
installed.
The /M versions (e.g. CIO-RELAY16/M and CIO-RELAY08/M) are identical to the
standard versions, but use Mercury wetted relays and offer quicker switch times, less
contact bounce and lower on-resistance than the standard models.
The CIO-RELAY16 family has been designed for control applications where a few
points of high voltage (or current) need to be controlled.
WARNING!
High voltages will be present on the CIO-RELAY16 family boards
when high voltage is connected to the CIO-RELAY16 connector.
Use extreme caution! Never handle the CIO-RELAY16 when signals are connected to the board through the connector.
For Your Notes
DO NOT REMOVE THE PROTECTIVE PLAT ES FROM THE
CIO-RELAY16!
1.1 ACCESSORIES
The CIO-RELAY16 family are digital I/O boards with relay based signal conditioning
installed. Most accessory boards are intended to provide signal conditioning or easy
to access signal termination. In general, the CIO-RELAY16 will not require additional signal conditioning.
We recommend that under no circumstance should a screw terminal board be used to
connect high voltages to the CIO-RELAY16 series board. The CIO-RELAY16 is
intended to control high voltages. If you use a screw terminal board you will expose
yourself and others to those high voltage signals.
We recommend that you construct a safe cable to carry your signals directly from your
equipment to the CIO-RELAY16 connector.
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