SKF IMx-16Plus - GPS Module (Optional)

INSTALLATION AND OPERATING INSTRUCTIONS
GPS module (optional)
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SKF Multilog On-line System IMx-16Plus
User Manual
Revision Letter A
2.8 GPS module (optional)
An external GPS module is available as an option. When fitted, GPS data can be
requested by the IMx-16Plus, via Modbus RTU, over the RS485 2-wire connection.
On this interface the IMx-16Plus is the master device and the GPS module, the slave
device.
The GPS module is connected to the IMx-16Plus, top end cap*, refer
Table 4 below and section 3.3.1.
*If there are no free/unused 24 V DC power (P) connections on the top end cap then
the unallocated P terminal on the bottom end cap can be used, 3.3.2.
Table 4 GPS module connections to IMx-16Plus
Wire colour
Description
IMx-16Plus terminal
Brown
GPS module power
Use any available ‘P’
Black
RS485 A
A
White
RS485 B
B
Blue
Module 0V
G
Grey
Not used
-
GPS module green flashing LED: power on, amber flashing: Modbus activity
The IMx-16Plus to GPS module RS485 link, doesn’t requires a termination
resistor.
Refer also to 2.5.5, for general information on RS485 Modbus connections.