Safety Command Devices And Electromechanical Safety Switches; Emergency Stop Button - Leuze electronic MSI 400 Operating Instructions Manual

4.1

Safety command devices and electromechanical safety switches

4.1.1

Emergency stop button

Tab. 4.2: Connection of safety command devices
Electrical connection: Example from MSI.designer
Single-chan-
nel, without
testing
Single-chan-
nel, with test-
ing
Two-channel,
without testing
Two-channel,
with testing
The pre-configured two-channel emergency stop buttons in MSI.designer have equivalent switching con-
tacts. In order to implement two-channel complementary switching contacts, you can find corresponding
elements in the element window under the group of potential-free contacts.
Tab. 4.3: Functions
Function
Testing
Series connection/
cascading
Synchronous time
NOTICE
You can find additional information in the operating instructions for the ESB200 emergency stop
i
button.
Leuze electronic
Info
Possible
Max. number of emergency stop buttons switched in series:
note max. line resistance of 100 Ω
4 ms to 30 ms or deactivated
Contact between 24 V and I1
Contact between T2 and I2
Channel 1: Contact between 24 V and
I3
Channel 2: Contact between 24 V and
I4
Channel 1: Contact between T1 and
I5
Channel 2: Contact between T2 and
I6
MSI 400
Connecting devices
40