Safety status word 1 (S_ZSW1)
Converter → Failsafe control
Bit Safety status Explanation
00 STO active 1 STO is active
0 STO is not active
01 SS1 active 1 SS1 is active
0 SS1 is not active
02, 03 Reserved
04 SLS active 1 SLS is active
0 SLS is not active
05, 06 Reserved
07 Internal event 1 The converter signals an "internal event"
0 Fault-free operation
08 Reserved
09 Active SLS limit val‐
ue bit 0
Bit1 Bit0
SLS1
SLS2
SLS3
SLS4
0
0
1
1
0
1
0
1
10 Active SLS limit val‐
ue bit 1
11 Reserved
12 SDI positive active 1 SDI positive direction of rotation is active
0 SDI positive direction of rotation is not active
13 SDI negative active 1 SDI negative direction of rotation is active
0 SDI negative direction of rotation is not active
14 Reserved
15 Status SSM 1 Absolute value of the speed is less than or equal to the SSM limit
value
0 Absolute value of the speed is greater than the SSM limit value
14.12.9.5 Safety control word 2 and safety status word 2
Overview
The higher-level control activates the Safety Integrated Functions of the converter using safety
control word 2 (S_STW2).
The converter signals the status of the Safety Integrated Functions to the higher-level control
using safety status word2 (S_ZSW2).
Functions
14.12Safety Integrated
SINAMICS G220 converter
Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB 687