SERVO
PRO NANOCHROME Gas Analyser
13
04416001A / Revision 7
1.4.2 SERVOPRO NanoChrome Reduced Rear Connections
Figure 2 : SERVOPRO NanoChrome reduced rear connections
This rear panel is fitted to the secondary chassis in a system with a master
chassis.
1.
Power inlet with switch and fuse
2.
RS-485 port
3.
Carrier gas inlet
4.
Carrier gas vent
5.
Detector 1 vent
6.
Detector 2 vent
7.
Sample gas vent
8.
Sample gas inlet 1 (process)
9.
Sample gas inlet 2 (span)
Note: the RS-232 port is replaced with a RS-485 port on Secondary Chassis 1 on
an analyser with multiple secondary chassis.
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.