MSR mGard 2 MC2 Series, Руководство пользователя

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User Manual - PolyGard
®
2 / µGard
®
2
Sensors for Toxic Gases and Oxygen
Page
5
PolyGard

/ µGard
®
are registered trademarks of MSR GA_SC2_MC2_Tox_D_0618
Phone 0049(0)8531/9004-0
Fax: 0049(0)8531/9004-54 Specification subject to change without notice
MSR-Electronic GmbH, Würdinger Str. 27, D 94060 Pocking www:msr-electronic.de Printed in Germany
3 Electrical Connection
3.1 Plug Connection (SC2) in SB2, MSB2, MSC2, MGC2
SC2 sensors are equipped with a reverse polarity protected connector (3-
pin). It mustn’t be plugged in the
wrong position by force (already clamped at the factory).
All black plugs are connected in parallel, so it is irrelevant which plug to use.
3.2 Terminal Connection (MC2)

Open cover.

Insert field bus cable from above, cut and strip it.

Connect it to the terminal (only 3-wire connection
possible).

For the 4 to 20 mA operating mode, please remove the
built-in 500 ohm resistor between terminals 2 and 3.
4 Commissioning
Only trained technicians should perform the following when commissioning:

Check for correct mounting location.

Check if connection is correct.

Check power voltage (for MC2).

Install the Sensor Cartridge(s) if not already installed ex works.

Check Sensor Cartridge connector for correct engagement.

Calibrate (if not already factory-calibrated).
Required instruments for commissioning (calibration):

Service Tool DGC-06 STL or

DGC-06 EasyConf Software incl. USB/RS-485 communication set:

Calibration:

Test gas bottle with synthetic air (20 % O
2
, 80 % N)

Test gas bottle with test gas in the range of 30
– 90 % of the measuring range. Rest is synthetic
air.

Extraction set consisting of gas pressure regulator and flow meter

Calibration adapter with tube, type C2Z4.
4.1 Installation of Sensor Cartridge
The Sensor Cartridge is supplied in a separate package and should be installed on the housing only during
commissioning to protect it against dirt and damage.

Check gas type, range and calibration date of Sensor Cartridge.

Define installation place on the housing of the basic or remote sensor and break out knockouts.

Tighten the Sensor Cartridge with M32 hexagon lock nut.

Plug in the Sensor Cartridge at X2 or X3 of the sensor board. Observe plug polarity, the plug must
engage.
4.2 Registration of the Sensor Cartridge
Registration and addressing of the field bus address can be read in the User Manual for Boards GA_Boards.
0
V
D
C
Sensor Unit
MC2-X-XXXX
1 2 3
+
2
4
V
4
-2
0
m
A
/
2
-1
0
V
o
o
o