Pfeiffer Vacuum A 1204H, Operating Instructions Manual

Page: 44 / 92

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Advanced settings
7.11 Analog input management
An analog input (0-10 Volt) [ANA1] is available on the ANA1 plug (see 15.4) .
An analog input (0-10 Volt) [USER ANA] is available on the J3 connector (see 8.4.3) .
2 monitoring thresholds (warning and alarm) and a delay linked to each threshold can be
set
[SETTING] [ANALOGIC INPUT] [ANA1]/[USER ANA] [ENABLED] (see 8.2) .
A temperature probe PT100 can be connected on J3 connector (see 8.4.3) . 2 monitoring
thresholds (warning and alarm) and a delay linked to each threshold can be set [SET-
TING] [TEMPERATURE] [USER T°] (see 8.2) .
If the measured value exceeds the set threshold, a defect (warning or alarm) appears
after the expiry of a delay. An alarm message leads to pump shutdown.
If
[SETTING] [ANALOGIC INPUT] [ANA1]/[USER ANA] [DISABLED] is set, there is no
threshold to configure and the fault is not managed.
7.12 Logic input management
Three logic inputs are available on the LI1, LI2 and LI3 plugs (see 15.4) .
LI1, LI2 and LI3 can be set opening or closing logic input [SENSOR TYPE] [NO]/[NC] .
Two monitoring delays can be set (warning and alarm) [SETTING] [LOGIC INPUT]
[LOG1]/[LOG2]/[LOG3] [ENABLED] (see 8.2) .
When the contact LI1, LI2 or LI3 opens or closes, a fault (warning or alarm) appears after
the expiry of a delay.
If the fault is set to
[DISABLED] , the fault is not managed.
Analog input (V)
Time
T. warning
Alarm threshold
Warning threshold
No message
T. alarm
Warning message
Alarm m
pump stopped
alarm
Logic input (LI1/LI2/LI3)
Time
warning
[Sensor type][NC]
1
0
No message
Warning
message
Alarm message
+ pump stopped
alarm
Logic input (LI1/LI2/LI3)
Time
warning
[Sensor type][NO]
1
0
No message
Warning
message
Alarm message
+ pump stopped