Status word 3 (ZSW3)
Bit Significance Description Signal intercon‐
nection in the con‐
verter
0 1 = DC braking active -- p2051[3] = r0053
1 1 = |n_act | > p1226 Absolute current speed > stationary
state detection
2 1 = |n_act | > p1080 Absolute actual speed > minimum
speed
3 1 = i_act ≧ p2170 Actual current ≥ current threshold
value
4 1 = |n_act | > p2155 Absolute actual speed > speed
threshold value 2
5 1 = |n_act | ≦ p2155 Absolute actual speed < speed
threshold value 2
6 1 = |n_act | ≧ r1119 Speed setpoint reached
7 1 = DC link voltage ≦ p2172 Actual DC link voltage ≦ threshold
value
8 1 = DC link voltage > p2172 Actual DC link voltage > threshold
value
9 1 = ramp-up or ramp-down completed Ramp-function generator is not ac‐
tive.
10 1 = technology controller output at the
lower limit
Technology controller output ≦
p2292
11 1 = technology controller output at the
upper limit
Technology controller out‐
put > p2291
12 Not used
13 Not used
14 Not used
15 Not used
Fault word according to the VIK-NAMUR definition (MELD_NAMUR)
Bit Significance P no.
0 1 = Control Unit signals a fault p2051[5] = r3113
1 1 = line fault: Phase failure or inadmissible voltage
2 1 = DC link overvoltage
3 1 = Power Module fault, e.g. overcurrent or overtemperature
4 1 = converter overtemperature
5 1 = ground fault/phase fault in the motor cable or in the motor
6 1 = motor overload
7 1 = communication error to the higher-level control system
8 1 = fault in a safety-relevant monitoring channel
10 1 = fault in the internal converter communication
11 1 = line fault
15 1 = other fault
Advanced commissioning
6.3 Drive control
SINAMICS G120X converter
212 Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC