8.4.2.2 Digital outputs
The drive is equipped with four bidirectional digital outputs (terminal X541) and two relay
outputs (terminal X542). These outputs are, for the most part, freely parameterizable. For
details, please refer to the circuit manual of the drive.
List of signals for the digital outputs
Signal Bit in status word 1 Parameter
1 = Ready to switch on 0 r0889.0
1 = Ready to operate (DC link loaded, pulses blocked) 1 r0889.1
1 = Operation enabled (drive follows n_set) 2 r0889.2
1 = Fault present 3 r2139.3
0 = Coast to stop active (OFF2) 4 r0889.4
0 = Fast stop active (OFF3) 5 r0889.5
1 = Power-on disable 6 r0889.6
1 = Alarm present 7 r2139.7
1 = Speed setpoint/actual deviation in the tolerance bandwidth
(p2163, p2166)
8 r2197.7
1 = Control required to PLC 9 r0899.9
1 = f or n comparison value reached or exceeded (p2141, p2142) 10 r2199.1
1 = I, M, or P limit reached (p0640, p1520, p1521) 11 r1407.7
Reserved 12
0 = Alarm motor overtemperature (A7910) 13 r2129.14
Reserved 14
0 = Alarm thermal overload in power unit (A5000) 15 r2129.15
1 = Pulses enabled (inverter is clocking, drive is carrying current) r0899.11
1 = n_act ≤ p2155 r2197.1
1 = n_act > p2155 r2197.2
1 = Ramp-up/ramp-down completed r2199.5
1 = n_act < p2161 (preferably as n_min or n=0 message) r2199.0
1 = Torque setpoint < p2174 r2198.10
1 = LOCAL mode active (control via operator panel) r0807.0
0 = Motor blocked r2198.6
1 = Ready to switch on 0 r0889.0
Operation
8.4 Functions
SINAMICS SM150 6SL3845-7NN46-7AA0
Operating Instructions 04/2017 137
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