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14.2
ELECTRICAL CONNECTIONS
N O T E !
The converter is connected to the mains at the rear respectively the lower side of the converter housing
via a shockproof plug with 2 meter [approx. 6.56 ft] connecting cable (X1, see circuit diagram in the
appendix).
The general status alarm for signalling temperatures outside the permitted range and the facility for
connecting the solenoid valves externally are provided at the 9-pin sub-D-plug on the rear or lower side
of the converter housing.
Correct functioning of the converter is only guaranteed when the sub-D-plug
X2 is mounted!
N O T E !
Figure 6 shows the pin configuration in the sub-D-plug X2.
Bypass
Catalyst
1
Figure 6
Pin configuration in the sub-D-plug X2
Contacts 5 and 9 are provided in the sub-D-plug to ensure sure signalling of temperatures outside the
permitted range (see figure 6). This involves a potential-free make-contact with a switch rating of 24 V,
1A. The alarm is signalled if temperatures exceed the permitted temperature range by ±5 °C [±9 °F].
The versions CG-2M and CG-2MH-W have got solenoid valves switching between the sample gas
paths. The valves can be controlled either internally or externally by the customer (see figure 6).
20
The wrong mains voltage can destroy the device. When connecting,
take care that the mains voltage corresponds with the information
provided on the type identification plate!
For the erection of power installations with rated voltages up to
1000 V, the requirements of VDE 0100 and relevant standards and
specifications must be observed!
A main switch must be provided externally.
The main circuit is equipped with a fuse corresponding to the nomi-
nal current (over current protection); for electrical details see tech-
nical data.
2
3
4
6
7
8
CG-2 | 1.04.00
internal control
external control
5
9
Common status alarm:
1 x NO, potential free
Contact rating: 24 V, 1 A
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