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FieldPoint
™
is a trademark of National Instruments Corporation. Product and company names
mentioned herein are trademarks or trade names of their respective companies.
322450A-01
©
Copyright 1999 National Instruments Corp. All rights reserved.
September 1999
OPERATING INSTRUCTIONS
FP-RLY-422
4-Channel, SPDT Relay Module
These operating instructions describe the installation, features, and
characteristics of the FP-RLY-422. For details on configuring and
accessing the FP-RLY-422 over a network, refer to the user manual
for the particular FieldPoint network module you are using with
the FP-RLY-422.
Features
The FP-RLY-422 is a FieldPoint relay output module with the
following features:
•
Four Single-Pole Double-Throw (SPDT) relay channels
•
Switching capacity 3 A at 35 VDC or 250 VAC
•
On/Off LED indicators
•
Hot plug and play operation
•
3,000 V input to output isolation
•
Double insulated for 250 V safe working voltage
•
–40 to +70 °C operation
Installation
The FP-RLY-422 mounts on a FieldPoint terminal base
(FP-TB-xx) unit. The hot plug and play operation of the
FP-RLY-422 allows you to install it onto a powered terminal base
without disturbing the operation of other modules or terminal
bases. The FP-RLY-422 receives operating power from the
terminal base.