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SERVOPRO CHROMA Gas Analyser
14
04400001A / Revision 7
1.4 Description of Analyser Rear Connections
1.4.1
SERVOPRO Chroma Complete Rear Connections
Figure 1 : SERVOPRO Chroma complete rear connections
This rear panel is fitted to the master chassis, and to the secondary chassis in a
system with a stand-alone PC.
1.
Power inlet with switch and fuse
2.
Gas trap inlet
3.
RS-232/RS-485 socket
4.
Auxiliary oven
5.
RS-485 socket
6.
Gas trap outlet
7.
Ethernet port
8.
USB port
9.
Analogue 4-20 mA outputs
10.
Digital outputs
11.
Digital input
12.
Earth terminals for cable screens
13.
Carrier gas inlet to detector 1
14.
Carrier gas inlet to detector 2
15.
Carrier gas vent
16.
Detector 1 vent
17.
Detector 2 vent
18.
Detector 3 vent
19.
Supporting gas inlet
20.
Sample gas vent
21.
Sample gas inlet to detector 1
22.
Sample gas inlet to detector 2
Several of the ports shown above are optional, and may be fitted depending on
the analyser configuration and intended use.
WARNING
Any Connections on the Rear Panel to the Analogue 4-20mA
Outputs, Digital Outputs (Relay Outputs) and Digital Input shall
be connected to voltage sources derived from suitably approved
double isolated power supply or system with voltages not
exceeding 30Vac or 60Vdc and shall be from a limited energy
circuit as defined in EN61010 -1. UNDER NO
CIRCUMSTANCES SHALL THESE CONNECTIONS BE
CONNECTED DIRECTLY TO MAINS VOLTAGES.