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MGC2 – UserManual
PolyGard
®
is a registered trademark of MSR-Electronic GmbH
The table shows the assignment of the relay numbers and of the analog in/outputs to the EP module addresses.
Symbol Description
Default
Function
Module
Address
Analog
Input
Relay
No.
Analog
Output Module
EP- Mod. 0 Relay + SP
Relay + SP active =
Alarm relay + analog
inputs active
01-04
01-05
01-02
GC-05
EP- Mod. 1 Inactive
Inactive = Module not active
Relay active =
Only alarm relay active
Relay + SP active =
Alarm relay + analog
inputs active
1
05-08
06-10
03-04
EP-05
EP- Mod. 2 Inactive
2
09-12
11-15
05-06
EP-05
EP- Mod. 3 Inactive
3
13-16
16-20
07-08
EP-05
EP- Mod. 4 Inactive
4
17-20
21-25
09-10
EP-05
EP- Mod. 5 Inactive
5
21-24
26 -30
11-12
EP-05
4.8.14 Error Indicator System Bus
All data packets received by the GC-05 are checked for completeness and compatibility. Faulty data packets are
recorded by the error counter. Max. 1-2 faulty data packets are admissible a day.
A higher error rate mostly comes from incorrect wiring of the field bus line.
4.8.15 Analog Output
The Gas Controller Module as well as the EP-05 Modules 1 to 5 have two analog outputs (AO) with 4 to 20 mA signal
each. The signal of one or more sensor points can be assigned to each of the analog outputs. The assignment is
effected in the menu “SP Parameter” for each SP. The sensor point sends the signal, which is defined in the menu
“C/A Mode”.
Out of the signals of all assigned sensor points the Gas Controller determines the minimum, the maximum
or the average value and displays it at the analog output. The definition, which value is transmitted, is effected in the
menu “Analog Output X”.
The analog output can be calibrated at 4 and at 20 mA. Therefore an ampere meter (measuring range 25 mA) can be
attached to the AO and the respective factor has to be changed until the analog output corresponds to 4 and/or 20 mA.
During calibration evaluation of the sensor point signals is not possible. This calibration is effected by the factory. The
factors should not be changed.
Symbol
Description
Default Status Function
Max.
Select
Output mode
Max.
Min.
= Displays the minimum value of all assigned SP
Max.
= Displays the maximum value of all assigned SP
Average = Displays the average value of all assigned SP
4.0
20.0
Calibration
4.0
20.0
4.0 = Calibration factor at 4 mA
20.0 = Calibration factor at 20 mA