mru SWG 100 biogas, User Manual

Page: 54 / 141

MRU GmbH SWG 100 User Manual
Page 54 of 141
Connection of the external control via Modbus
A further option is, to control the external control via Modbus. To do this, follow
steps must be done:
•
Connect the RS485 to Modbus converter to the Modbus connector found at
the main pcb. A description can be found in the chapter 7.4.
•
E
XTRAS
/G
ENERAL SETTINGS
. Select the menu-
E
XTERNAL CONTROL
”
→
M
ODBUS
.
•
The master writes a value on the address 6000, the value is the same than
with external control via digital or analog inputs:
Status
number
values
Description
0 Automatic sampling point switching
1 Analyzer is sampling the point SP1 (*1, *2)
2 Analyzer is sampling the point SP2 (*1, *2)
3 Analyzer is sampling the point SP3 (*1, *2)
4 Analyzer is sampling the point SP4 (*1, *2)
5 Analyzer is sampling the point SP5 (*1, *2)
6 Analyzer is sampling the point SP6 (*1, *2)
7 Analyzer is sampling the point SP7 (*1, *2)
8 Analyzer is sampling the point SP8 (*1, *2)
9 Analyzer is sampling the point SP9 (*1, *2)
10 Analyzer is sampling the point SP10 (*1, *2)
11 An -
12 -
13 -
14 Remote reset of all system alarms
15 -
Configuration at the analyzer
1.
Open the path:
E
XTRAS
/G
ENERAL SETTINGS
.
2. Switch the menu-po
OFF Relays
or (dependent from the connected signal input.). When the
external control is activated an arrow symbol will appear at the title line.
Arrow-Symbol: Shows the activation of the external control.