2TLC172316M0201, rev E
7
www.abb.com/ jokabsafety
2015-09-30
4 Connections
Electrical connection
The inputs from the safety devices must be connected according to one of the following examples in order to fulfil
the expected safety level and to avoid unsafe situations.
Emergency stop with reset when
emergency button returns.
Emergency stop with dual
connection direct to the supply
voltage.
Monitoring to ensure that the
On button is not stuck in pressed
position. A short circuit over the
closing contact is not monitored.
Controlled monitoring of external
contactor, relay, valve or Jokab
Safety’s expansion relays.
BT50(T) as emergency stop and
control relay with Start and Stop
function.
Hatch with automatic reset.
* BT50 has additional power terminals A1 and A2.