Multitech MT2834BL Specifications Page 38

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INSTALLATION & SETUP • CONNECTING A WIRING INTERFACE
32
7 Beaver Brook Road, Littleton, MA 01460 • 978-486-0086 • www.burk.com
CONNECTING INPUTS
1. Designate one Wiring Interface as status and one as
metering.
2. Connect the site equipment input wires to the push-on
connectors on the Wiring Interface.
3. Connect the push-on blocks to the Wiring Interface.
4. Connect the Wiring Interface to the I/O unit using the
provided DB37 cable.
WARNING! Carefully
position your push-on
connectors in relation to
the screened legend on the back
of the unit; overlapping from one
channel to the other causes the
Wiring Interface to feed incorrect
data to the I/O units and may
damage your I/O units.
!
Connecting a
Wiring Interface
The Wiring Interface is designed to simplify the connection of
metering and status inputs to the GSC3000 or the VRC2500. It
provides easy pin-for-pin wiring using push-on blocks. No
soldering is required. You will need two Wiring Interfaces (one for
metering and one for status) if you are connecting to a 16-
channel unit.
The two terminals on the push-on connector correspond with the
contacts on the back panel of the Wiring Interface: + (status or
metering) and – (common ground). Insert the push-on connector
into the back-panel connector on the Wiring Interface with the set
screws facing up.
The input voltage of the
status channel must not
exceed the range of ±30V.
The metering sample
voltage should be at least
in the 2V range.This
increases accuracy of the reading.
If the sample voltage is small, the
calibration constant must be large.
This causes greater fluctuations in
the meter reading.
The input voltage of the
meter channel must not
exceed the range of 0-
10VDC or -5 to 5VDC (determined
by the setup configuration).
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