Compur Statox 4120
7. The maintenace request option
Purpose:
This option can differentiate between fatal errors in the sensor head and maintenance requirements. It
requires a Statox 4120 control module equipped with EPROM Index
≥
03. It also sets the analog
output to 4 mA during the self test, if required.
Operation modes:
The Statox 4120 can operate in 9 different modes. The relevant mode can be seen by the control
module LED`s and relays.
Operation mode Statox
Analog output
SR-LED
Control
module
SF-LED
Control
module
SF-Relay MR-
Relay
PCS-*
Relay
O
Self test
0mA / 4mA / 0V
„on“
„on“
active
passive
active
O
Diagnostic box connected:
0mA / 4mA / 0V
flashing „off“ active
passive
active
O
Alarm threshold adjustment:
0mA / 4mA / 0V „on“
„off“ active passive
active
O
Start-mode
4mA / 0V
flashing
„off“
active
passive
passive
O
Detection mode:
Analog signal
„on“
„off“
active
passive
passive
O
Maintenance request:
B1 Battery Low
B2 Battery low under load
C1 Purge before test
C2 Purge between test peaks
C3 Sensitivity
(programmable by S3)
C4 Purge
PU Pump current too high
T2 Temperature out of specs
Analog signal
flashing
„off“
active
active
passive
O
System failure:
A1 Amplifier
C3 Sensitivity
(programmable by S3)
4mA / 0V
„off“
„on“
open
passive
passive
O
Data transmission error
4mA/0V
„off“
„on“
open
passive
passive
O
Power failure
0mA/0V
„off“ „off“
open
passive
passive
*(PCS=Process control system)
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Содержание STATOX 4120
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