Wieland SP-SDIO - Safety Command Devices and Electromechanical Safety Switches

Connecting devices
Wieland Electric GmbH | BA000966 | 07/2016 (Rev. C)
39
Safety command devices and electromechanical safety switches
888411275
Emergency stop buttons (e.g. SNH series)
888412811
Table 15: Connection
Electrical connection: Example from samosPLAN5+
Single-channel,
without testing
Contact between 24 V and I1
Single-channel,
with testing
Contact between T2 and I2
Two-channel,
without testing
Channel 1: Contact between 24 V and I3
Channel 2: Contact between 24 V and I4
Two-channel,
with testing
Channel 1: Contact between T1 and I5
Channel 2: Contact between T2 and I6
The pre-configured two-channel emergency stop buttons in samosPLAN5+ have equivalent
switching contacts. 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.
Table 16: Functions
Function
Info
Testing
Possible
Series connec-
tion/cascading
Max. number of emergency stop buttons switched in series: note
max. line resistance of 100 Ω
Synchronous time 4 ms to 30 ms
NOTICE
You can find additional information in the operating instructions for the SNH emergency stop
button.
Electromechanical safety switch without lock (e.g. SMS series)
888420491
Table 17: Electromechanical safety switch connection
Electrical connection: Example from samosPLAN5+
Single-channel,
without testing
Contact between Ub and I1
Single-channel,
with testing
Contact between T2 and I2
Two-channel,
without testing
Channel 1: Contact between Ub and I3
Channel 2: Contact between Ub and I4
Two-channel,
with testing
Channel 1: Contact between T1 and I5
Channel 2: Contact between T2 and I6
4.1
4.1.1
4.1.2