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Endura APA592
pH / Redox (ORP) transmitter
6 Configuration
46
OI/APA592–EN Rev. E
6.2 Configuration DIP Switch
A 6-pin DIP switch located behind the transmitter cartridge is used to enable / protect configuration
settings (see Fig. 6.2 below for DIP switch positions). Transmitters are shipped with configuration changes
enabled (DIP switch 1 set to the
OFF
position). To protect a configuration, set DIP switch 1 to the
ON
position.
To protect a configuration:
1.
Unscrew the cartridge cover
A
and remove it from the transmitter
B
.
2.
Pull the cartridge
C
carefully but firmly out of the transmitter
B
keeping it straight to avoid bending
the 6-pin connector
D
.
3.
At the 6-pin DIP switch
D
, set switch 1 to the
ON
position (up).
4.
Refit the cartridge
C
by pushing it carefully but firmly into the transmitter. Keep the cartridge
C
straight to avoid bending the 6-pin connector
D
.
5.
Refit the cartridge cover
A
by screwing it until the O-ring is slightly compressed onto the transmitter
B
. For protection in Ex d / explosion-proof installations, turn the 2 security screws (see Fig. 3.1,
page 17) until they prevent both covers from being rotated (unscrewed) therefore preventing removal
of the covers.
Warning.
Isolate the transmitter from power supplies before accessing / setting the DIP switch.
Caution.
When setting DIP switch
1
, take care not to move DIP switch
6
.
If DIP switch 6 is in the
ON
position when the transmitter is powered up, the transmitter's configuration is
reset to default (factory) settings.
Fig. 6.2 Configuration DIP Switch
ON
Configuration
Protected
OFF
Configuration
Enabled
6-Pin
DIP Switch
DIP Switch 6 –
see Note (above)