Physical Installation
●
Wiring
18
CONTOUR Operating Instructions © 2013 Magnetrol International all rights reserved
Terminal block wiring plan.
The tables below describe the
connections.
Refer to the following Local Connection
and Multi-Drop Connection drawings for
details.
Left Connector
Right Connector
Ports
Description
Ports
Description
PS IN
+ -
Feed in power supply
20
–
32 VDC
RS-485
+ -
RS-485 / Modbus RTU
Communications
terminals
4-20 mA
- +
4
–
20 mA / HART
Communications terminals
C
onnect the external ground terminal with
potential equalization to the external
ground terminal of the scanner, located
as shown.
An internal cable grounding connection is also
possible using the inner connection as shown.
T
ighten the compression nut over the cable gland entry opening
.
Verify that the
sealing ring completely wraps the cable.
IMPORTANT
: Gland compression nut tightening provides good sealing.
It is necessary for the scanner to maintain IP67 requirements, and for
extended scanner lifetime.
6
7
8
