Terminal Loading "Inputs; Terminal Loading "Outputs - Siemens LMV37.4 Series Basic Documentation

Building Technologies
4.1.1 Terminal loading «Inputs»

Perm. mains primary fuse
(externally)

Unit fuse (F1) (internally)

Mains supply: Input current depending on the operating state of the unit
Undervoltage

Safety shutdown from operating
position at mains voltage
- LMV37.400A1, LMV37.420A1
- LMV37.400A2

Restart on rise in mains voltage
- LMV37.400A1, LMV37.420A1
- LMV37.400A2
Status inputs: Status inputs (with the exception of the safety loop) of the contact
feedback network are used for system supervision and require mains-related
input voltage

Input safety loop

Input currents and input voltages
- UeMax
- UeMin
- IeMax
- IeMin

Contact material recommendation
for external signal sources (air
pressure switch, pressure switch-
min, pressure switch-max, etc.)

Transition / settling behavior /
bounce
- Perm. bounce time of contacts
when switching on / off

UN
- LMV37.400A1, LMV37.420A1
- LMV37.400A2

Voltage detection
- On
- LMV37.400A1, LMV37.420A1
- LMV37.400A2
- Off
- LMV37.400A1, LMV37.420A1
- LMV37.400A2
4.1.2 Terminal loading «Outputs»
Total contact loading:

Rated voltage
- LMV37.400A1, LMV37.420A1
- LMV37.400A2

Unit input current (safety loop) from:
- Fan motor contactor
- Ignition transformer
- Valves
- Oil pump / magnetic clutch
Basic documentation LMV37.4...
4 Technical Data
Max. 16 AT
6.3 AT (DIN EN 60127 2 / 5)
Approx. AC 93 V
Approx. AC 186 V
Approx. AC 96 V
Approx. AC 195 V
Refer to Terminal loading outputs
UN +10%
UN -15%
1.5 mA peak
0.7 mA peak
Gold-plated silver contacts
Max. 50 ms
(after the bounce time, contact must stay
closed or open)
AC 120 V
AC 230 V
AC 90...132 V
AC 180...253 V
<AC 40 V
<AC 80 V
AC 120 V, 50 / 60 Hz
AC 230 V, 50 / 60 Hz
Max. 5 A
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CC1P7546en
17.12.2018