2TLC010067M0201 Rev.G
19
Two channels connection with equivalent contacts from T1/T2
7.4
Two channels OSSD connection
Safety devices with dual OSSD outputs can be connected to R1 and R2. Short-circuit between
the signals and to 24V DC are detected by the safety device from where the OSSD-signal
originates.
Two channels connection with OSSD external signals
7.5
Reset button connection example
To use the multi-reset function the X1 inputs must be connected in parallel from the reset
button. The X4 outputs must be parallel connected to the reset button indication light. All the
safety relays involved in the multi-reset chain must be set to manual reset.
Connection example of reset button including indication light.
SR1
SR2
SR3
Mixed state examples
SR1
SR2
SR3
Mixed state
A
A
A
A