Installation
15
Mode switch (S3)
This DIP switch controls the following functions:
Memory backup battery (actuator 6)
Note: When bringing the APBU-44C(E) into use, switch on the memory backup
battery (actuator 6). Otherwise, the datalogger will be erased upon a power cut.
With this setting ON, a fresh battery will retain the memory of an unpowered
APBU-44C(E) for at least 6 months.
The battery must be replaced if the “BAT” LED is not illuminated when the
APBU-44C(E) is powered and the battery is switched on (S3 actuator 6 is set to ON).
Actuator Name
Default
setting
Description
1OPT PWR (V11)OFF
Power setting for optical transmitter V11.
OFF: “Short” (max. 20 m for POF; max. 50 m for HCS)
ON: “Long” (max. 30 m for POF; max. 200 m for HCS)
2 TEST 1 OFF
Factory test use only. Leave in default position.
3 TEST 2 OFF
4MODE 1OFF
Reserved. Leave in default position.
5MODE 2OFF
6 BATTERY OFF
Memory backup battery on/off switch. Set to ON when
bringing APBU-44C(E) into use.
9
A
B
8
C
D
E
F
0
1
2
3
4
5
6
9
A
B
8
C
D
E
F
0
1
2
3
4
5
6
1 2 3 4 5 6
D I P O N
B A R C O D E L A B E L
L O G I C V E R S I O N
S3
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