FIAMA EP46RS Instrukcja obsługi i konserwacji - Strona 7
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Hollow shaft display with serial output
Serial connection protocol
The device has a serial output connection RS485 with MODBUS RTU protocol to dialogue with remote units.
When a power is supply is not available, the serial port is not active and the instrument does not respond to
the master. Below is a list of the registers of the instrument with the relative addresses and number of bytes.
It is possible to read and write these registers, using a reading/writing ModBus compatible query.
ADDRESS
0
2
3
4
5
6
8
10
11
12
14
16
Date: 06/04/21
REGISTER NAME
value to be displayed after one
complete rotation of the shaft
decimal point position for
position of decimal point
button activation mode
count direction
Preset0 value
backlash compensation value
target value tolerance
battery status
Current value
Target value
SAVE
setting the value 0x5A4E, the
parameters transferred by
modbus are saved in the
EP43RS / EPRS permanent
memory
File: EP4RS_4.1_ing.doc
EP43RS / EP46RS
SIZE (bytes)
4
-99999...99999
2
2
2
000... 0x151
2
4
-99999...99999
4
-99999...99999
2
0x0000 = battery OK
0xFFFF = battery needs
substitution
2
0x00FF = battery
completely depleted or
malfunctioning(refer to
battery status section)
4
-99999...99999
4
-99999...99999
2
Rev: 4.1
RANGE
0...4
0...4
0...1
0...59999
0x5A4E
Page: 7/12