Test value registers - GMW83 - GMW83A - GMW83D - GMW83DRP - GMW83DRPC - GMW83RPC - GMW84 - GMW84S - GMW86P - GMW87M

GMW80 Series User Guide

Document code: M211748EN
Revision: H
Language: English
Product: GMW83; GMW83A; GMW83D; GMW83DRP; GMW83DRPC; GMW83RPC; GMW84; GMW84S; GMW86P; GMW87M
Document type: User guide

Read the known test values from the test registers to verify the functionality of your Modbus implementation.

Table 1. Modbus test registers (read-only)
Register number	Register address	Register description	Data format	Test value
7937	1F00_hex	Signed integer test	16-bit integer	-12345
7938	1F01_hex	Floating point test	32-bit float	-123.45
7940	1F03_hex	Text string test	text	Text string: "-123.45"