Gill Instruments Ltd
_____________________________________________________________________________________________________________
________________________________________________________________________________________________
MetPak/MetPak RG and MetPak Pro
Page | 20
Issue 1
Doc. No. 1723-PS-0022
October 2018
4.11.
Using RS485 (2 wire point to point only, not a default setting.
1. MetPak Range default factory comms setting is RS232.
2. To use the MetPak Range with RS485 2 wire point to point communication use MetSet to
change the COMMS Interface setting to RS485P 2W
.
3. Use MetSet to
change the Message setting from CONT (Continuous) to POLL
, the node
address letter may be changed if required.
4. Note that it is not possible to network other devices on this 2-wire RS485 link unless the
unit has been set for Modbus operation and application.
4.12.
Using SDI-12 (2 wire network) not a default setting.
1.
MetPak Range default factory comms setting is RS232
.
2. Use MetSet to change the COMMS Interface setting to SDI 12.
