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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 sin-
gle 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 sig-
nals are connected to the board through the connector.
DO NOT REMOVE THE PROTECTIVE PLATES 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 addi-
tional 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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For Your Notes
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