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VACON® NXP Advanced Safety Options
Operating Guide
Byte
Bit
Name
1
SLS_LIMIT_BIT0_AC
TIVE
2
SLS_LIMIT_BIT1_AC
TIVE
3
–
4
–
5
–
6
–
7
SSM
2
0..7
–
3
0
SAFETY_EVENT
1
–
2
–
3
SQS_ACTIVE
4
SSR_ACTIVE
5
–
6
SMS_ACTIVE
7
SBC_REACHED
When the SQS function is executed in the drive: If the SQS-SS1/2 mode is used, the SS1/2 will be indicated by this bit. Depending on parameteriza-
1
tion, the SQS-SS1/2 can be different from the standard SS1/2.
Reached SLS_Limit is described by bits SLS_LIMIT_BIT0_ACTIVE & SLS_LIMIT_BIT1_ACTIVE.
2
Only valid, when SLS_ACTIVE bit is set to 1, otherwise this bit should be ignored.
3
Compatible with the PROFIdrive on PROFIsafe amendment if the SSM function is set to "Always active" and SSM_Min_Limit = 0, see
4
Information on
Parameterization.
This bit indicates whether there are safety functions active on the Advanced safety option board. This includes safety functions that are not indica-
5
ted in the selected telegram but activated via a digital input. The SSM function excluded if it is set to "Always active".
Table 59: SLS Limit Status
Active signal
SLS not reached
SLS 1 Reached
SLS 2 Reached
SLS 3 Reached
Danfoss A/S © 2021.06
Description
Bit 0 coding for SLS limit
(3)
Bit 1 coding for SLS limit
(3)
–
–
–
–
Drive absolute speed safe sta-
tus
(4)
–
Unacknowledged safety func-
tions active
(5)
–
–
Safe Quick Stop activated
Safe Speed Range activated
–
Safe Maximum Speed activated
Safe Brake Control output acti-
vated
1
0
0
1
1
Signal
Reference
See
Table 59
6.3.2.5 The SLS Signals
See
Table 59
6.3.2.5 The SLS Signals
–
–
–
–
–
–
–
–
SSM Reached
6.3.5.4 The SSM Signals
–
–
Sum of all requested
–
and active safety
functions
–
–
–
–
SQS Active
6.2.5.3 The SQS Signals
SSR Reached
6.3.4.4 The SSR Signals
–
–
SMS Reached
6.3.3.3 The SMS Signals
SBC Reached
6.2.2.4 The STO and SBC Sig-
nals
SLS_LIMIT_BIT_ACTIVE
0
0
1
0
1
AQ319736045637en-000101 / DPD01798 | 121
Safe Fieldbuses
7.1.5.1 General
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