Safety Status Word 2 (S_Zsw2) - Danfoss Vacon OPTEA Operating Manual

VACON® NXP Advanced Safety Options
Operating Guide
Byte Bit Name
1 SS1/2_RAMP
2 –
3 SQS
4 SSR
5 –
6 SMS
7 –
The actual selection for the monitoring limit is made with SLS_LIMIT_BIT0 and SLS_LIMIT_BIT1. See
1
Table 57: SLS Limit Selection
SLS_LIMIT_BIT
1 0
0 0
0 1
1 0
1 1

7.1.6.8 Safety Status Word 2 (S_ZSW2)

Safety Status Word 2 is used together with Safety Control Word 2 (S_STW2) to form Standard Telegram 31. Compared to Safety
Status Word 1, Safety Status Word 2 has multiple SLS limits and the SSM function status.
Table 58: Description of Safety Status Word 2 (S_ZSW2)
Byte Bit Name
0 0 POWER_REMOVED
1 SS1_ACTIVE
2 SS2_ACTIVE
3 SOS_ACTIVE
4 SLS_ACTIVE
5 –
6 –
7 INTERNAL_EVENT
1 0 –
120 | Danfoss A/S © 2021.06
Description
0 = Ramp1, 1 = Ramp2, for SS1
and SS2
–
Safe Quick Stop
Safe Speed Range
–
Safe MaximumSpeed
–
SLS LIMIT
SLS 1 Limit is selected when SLS (Byte 0, bit 4) is set to 0.
SLS 2 Limit is selected when SLS (Byte 0, bit 4) is set to 0.
SLS 3 Limit is selected when SLS (Byte 0, bit 4) is set to 0.
No SLS limit requested. SLS (Byte 0, bit 4) must be set to 1.
Description
Safe Torque activated and tor-
que removed from drive
Safe Stop 1 activated
Safe Stop 2 activated
Safe Operating Stop activated
Safe Limited Speed activated
–
–
Drive Safety Process fault status
–
Signal
–
–
SQS request
SSR request
–
SMS request
–
Table
Signal
STO Reached
SS1 Active or SQS Ac-
(1)
tive
SS2 Active or SQS Ac-
(1)
tive
SOS Active
SLS 1/2/3 Reached
(2)
–
–
–
Safe Fieldbuses
Reference
6.1.7 Ramps6.2.3.5 The SS1 Sig-
nals6.2.4.6 The SS2 and SOS Signals
–
6.2.5.3 The SQS Signals
6.3.4.4 The SSR Signals
–
6.3.3.3 The SMS Signals
–
57.
Reference
6.2.2.4 The STO and SBC Sig-
nals
6.2.3.5 The SS1 Signals6.2.5.3
The SQS Signals
6.2.4.6 The SS2 and SOS Sig-
nals6.2.5.3 The SQS Signals
6.2.4.6 The SS2 and SOS Sig-
nals6.2.5.3 The SQS Signals
6.3.2.5 The SLS Signals
–
–
6.1.4 Violation of a Safety
Function
–
AQ319736045637en-000101 / DPD01798