Mechanic Limit Switches (Mls) 6Dr4004-6K / -8K; Mechanic Limit Switches (Mls) - Mode Of Operation And Equipment Features - Siemens SIPART PS2 Series Operating Instructions Manual

4.5.5

Mechanic Limit Switches (MLS) 6DR4004-6K / -8K

4.5.5.1

Mechanic Limit Switches (MLS) - Mode of operation and equipment features

Function
Mechanic Limit Switches (MLS) are used to report two limits. These limits are reported using
galvanic switching contacts.
Device features
①
②
③
Figure 4-18
Mechanic Limit Switches (MLS) contain:
● One digital output to display a group fault message. Compare with the device features of the
Mechanic Limit Switches (MLS).
● Two switches to report two mechanically adjustable limits. Both these switches are
electrically independent from the remaining electronic unit.
SIPART PS2 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E00074631-AE
Actuating disk bearings
Special screw
Pin
Mechanic Limit Switches (MLS), schematic representation
4.5 Installing option modules
④
Upper actuating disk for limit L1, terminals
51/52
⑤
Lower actuating disk for limit L2, terminals
41/42
Installing/mounting
65