GW-7838-M (Modbus TCP Server to M-Bus Master Gateway) User Manual
Version 1.01
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4.9 Register
The “Register” field records the total word count and the Modbus address of every data at
GW-7838-M. Take the below as an example, this is a water meter (Medium) of EN-13757
protocol (Protocol) with serial number 10153802 (Serial). It has total 4 words data length
(Register) and 1
st
data is 8 digit BCD type (Value) from Modbus address 0x0000 ~ 0x0001
(Register) and 2
nd
data is also 8 digit BCD type (Value) from Modbus address 0x0002 ~ 0x0003
(Register). The GW-7838-M will update the meter data as fast as per 60 second one time
(Cycle).
Note: If GW-7838-M updates all meters data faster than setting cycle time 60 second, the
all meters data will be update every 60 second. But if slower than 60 seconds, GW-7838-M
will update all meters data as soon as possible.
