Connections
Wiring Plans
3DLevelScanner Operating Instruction. © 2009 APM all rights reserved
14
9.
Use a 16AWG cable for the ground cable to connect the screen to the internal
ground terminal and the external ground terminal to potential equalization.
10.
T
ighten the compression nut of the cable entry
.
The seal ring must completely
encircle the cable.
11.
S
crew the back cover back on.
4.4
Wiring Plans
Figure 6: Connection Scheme
Left Connector
Right (“
Display
”) Connector
Ports
Description
Ports
Description
PS IN
+ -
Feed IN power supply
20…32 VDC
PS OUT
+ -
Feed OUT power supply
20…32 VDC
4..20mA
- +
4..20 / HART
communication
connections
RS485
+ -
RS485 / Modbus RTU
communication connections
For more information about the connections, refer to “
Different ways of connecting to
3DLevelScanner
” document for additional help in connecting to the 3DLevelScnner
using various interfaces (HART / RS485 / GSM / GPRS / Ethernet / Modbus).