SS1(c) Safe Stop 1 (EN 61800-5-2)

The procedure is as follows:

• X12:1 must not be disconnected.
• X12:4 is disconnected, e.g. in case of an emergency stop.
• During the safety time interval t₁, the motor decelerates to a complete stop along the ramp.
• After t₁ has elapsed, the safety input X7 is disconnected. The safe time t₁ must be sufficient for the motor to reach a complete stop.

INFORMATION

• The illustrated SS1(c) disconnections can be used up to PL d according to EN ISO 13849-1:2015 taking account of the chapter "Requirements".
• ^®  size 0 requires an external DC 24 V voltage supply.

• Binary control with safety relay (dual-channel)
• Binary control with safety relay (single-channel)
• Binary control with safety PLC
• Fieldbus control with safety PLC