Mechanical Coding Of The Plug-In Module - Gossen MetraWatt SIRAX V 644 Mode D'emploi

Table 4: Green LED (ON, Fig. 2)
Operating status
Switching on
Normal operation
Out of range
Automatic lead compen-
sating using calibration
button (S1, Fig. 2)
Open-circuit sensor
EEPROM data bit error
(self-test error)
Power supply failure
Accuracy (acc. to DIN/IEC 770)
Limit of error ≤ ± 0.2%
Basic accuracy:
Ambient conditions
Commissioning
– 10 to + 55 °C
temperature:
Operating temperature: – 25 to + 55 °C, Ex* – 20 to + 55 °C
– 40 to + 70 °C
Storage temperature:
Relative humidity
≤ 75%
of annual mean:
Programming connector on the transmitter
Interface: RS 232 C
FCC-68 socket: 6/6 pin
Signal level: TTL (0/5 V)
Power consumption: Approx. 50 mW
*The data of the EC-Type Examination Certificate for backplane
SIRAX BP 902 with admission PTB 97 ATEX 2113 should be noted.
Green LED
Flashes at 1 Hz for
5 seconds after switching
on power supply
Continuously lit
Flashes at 1 Hz
Flashes at 2 Hz
Flashes at 1 Hz
Flashes at 1 Hz
Extinguished

6. Mechanical coding of the plug-in module

Where there is a danger of inserting a module in the
wrong slot, the possibility has to be excluded as
prescribed in EN 50 020, Section 6.3.2. To this end,
the units must be supplied already equipped with
coding inserts as shown in Figures 4 and 5.
Order Type
644-61
Back
A
B
C
D
E
F
G
H
I
K
L
M
Power supply
24...60 V DC/AC
Fig. 4. Coding of the plug-in module SIRAX V 644 in standard (non-
Ex) version.
Order Type
644-63
Back
A
B
C
D
E
F
G
H
I
K
L
M
Power supply
24...60 V DC/AC
Fig. 5. Coding of the plugin module SIRAX V 644 in [EEx ia] IIC
version.
Legend to Figs. 4 and 5:
= With set of code,
644-62
Back
A
B
C
D
E
F
G
H
I
K
L
M
Power supply
85...230 V DC/AC
644-64
Back
A
B
C
D
E
F
G
H
I
K
L
M
Power supply
85...110 V DC /
85...230 V AC
= Without set of code
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