Control Unit Models 9010 LCD and 9020 LCD
32
Setting Parameters
MSA
GB
6.8 Access Code 53 - Default settings
The Access Code is accepted if the ENTER button is kept pressed when the Control Unit is turned
on, or first typing the Access Code 123.
Step General purpose board Board 4/20 mA NOTES
General factory default [related to the selected channel]
The Control Unit is configured as specified below:
P1 Unit of measure: LEL
Full scale value: 100
Value in Access Code 1 P2: 50 % full
scale
Type of sensor power feed: Constant
current
Value of the sensor feed current: 0 mA
Value of the Failure current: 25 mA
Negative drift indication value: -10
Type of input signal accepted: analogue
[mV]
Provided input signal value: 30 mV
Analogue signal provided: Linear
Masking value of the negative indica-
tion: -5 %
Masking value of the positive indication:
+5 %
Analogue output signal with regular op-
eration: 420 mA
Analogue output signal in the event of a
failure: 2 mA
Analogue output signal in Access Code
1: h [only normal version]
Relays present: YES
Activation direction of the alarms: U
Alarm set-points blocking: Excluded
Activation delay of the alarms: C=0,
W=0, A=0
Relay state related to the alarm thresh-
old during regular operation: C=E, W=E,
A=E
Intervention values of the alarm thresh-
olds: C=15, W=15, A=30
Rest mode: C=1°, W=1°, A=1M
EEEE function: enabled
Operation of the CAUTION opto-isola-
tor: CAUTION
Operation of the FAILURE relay:
FAILURE
State of the FAILURE relay: And:
Operation of the HORN relay: Acoustic
adviser for exceeding the alarm set-
points and EEEE
State of the HORN relay: dE
Unit of measure: LEL
Full scale value: 100
Value in Access Code 1,
P2: 50 % full scale
Type of sensor power feed:
Constant voltage
Value of the Failure cur-
rent: 25 mA
Negative drift indication
value: -10
Type of input signal
accepted: analogue
[mA]
Provided input signal val-
ue: 4-20 mA
Analogue signal provided:
Linear
Masking value of the nega-
tive indication:
-5 %
Masking value of the posi-
tive indication: +5 %
Analogue output signal
with regular operation:
420 mA
Analogue output signal in
the event of a failure:
2mA
Analogue output signal in
Access Code 1: h
[only normal version]
Relays present: SI
Activation direction of the
alarms: U
Alarm set-points blocking:
Excluded
Activation delay of the
alarms: C=0, W=0, A=0
Relay state related to the
alarm threshold during reg-
ular operation:
C=E, W=E, A=E
Selective for
each channel
The display
shows “def”
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