Acknowledge safety fault
buffer (1->0 edge)
6.1.6 Reset of a Safety Function
Acknowledge safety func-
tion (0->1 edge)
6.1.5.1 Acknowledgment of a Safety
Function6.1.5.2 Start-up Acknowledg-
ment
0 = Ramp1, 1 = Ramp2, for
SS1 and SS2
6.1.7 Ramps6.2.3.4 Ramp Monitor-
ing6.2.4.4 Ramp Monitoring
1
Always selects the SLS 1 function.
7.1.6.6 Safety Status Word 1 (S_ZSW1)
Safety Status Word 1 is used together with Safety Control Word 1 (S_STW1) to form Standard Telegram 30. Byte 0 is standardized.
Byte 1 is vendor-specific and identical to Byte 3 of Safety Status Word 2 (S_ZSW2).
Table 55: Description of Safety Status Word 1 (S_ZSW1)
Safe Torque activated and torque
removed from drive
6.2.2.4 The STO and SBC Signals
SS1 Active or SQS Ac-
tive
6.2.3.5 The SS1 Signals6.2.5.3
The SQS Signals
SS2 Active or SQS Ac-
tive
6.2.4.6 The SS2 and SOS Sig-
nals6.2.5.3 The SQS Signals
Safe Operating Stop activated
6.2.4.6 The SS2 and SOS Sig-
nals6.2.5.3 The SQS Signals
Safe Limited Speed activated
(2)
Drive Safety Process fault status
6.1.4 Violation of a Safety Func-
tion
Unacknowledged safety functions
active
(3)
Sum of all active
safety functions
Safe Quick Stop activated
AQ319736045637en-000101 / DPD01798118 | Danfoss A/S © 2021.06
Safe Fieldbuses
VACON® NXP Advanced Safety Options
Operating Guide
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