SS1-t according to PL d (EN ISO 13849-1)

The procedure is as follows:

• Terminal 2 is disconnected, e.g. in the event of an emergency stop.
• During the safety time t₁, the motor decelerates along the ramp to an idle state.
• The safety relay disconnects terminal 12 after t₁ has elapsed. The safety time t₁ must be configured in such a way that the motor comes to an idle state within this time.

SS1-t – Safe Stop 1 (EN 61800-5-2)

*	Digital input 1 (terminal 2)
**	Safe digital input (terminal 12)
n	Speed

INFORMATION

The shown SS1-t disconnections can be used up to PL d in accordance with EN ISO 13849-1, taking into account chapter Requirements for safety relays.

• Control with safety relay with external 24 V supply
• Control with safety relay with internal 24 V supply