Communication
6.2 Cyclic Communication
Control Units CU240S
138
Operating Instructions, 07/2008 - FW 3.2, A5E00766042B AD
Status word 1 (ZSW1)
Status word 1 (bits 0 to 10 as per PROFIdrive Profile and VIK/NAMUR, bits 11 to 15 specific
to SINAMICS G120).
Table 6-19 Bit assignments status word 1 (for all PROFIdrive and VIK/NAMUR telegrams)
Bit Value Meaning
Remarks
1
Ready to switch on
Power supply is switched on, electronics initialized, pulses disabled.
0
0
Not ready to switch on
--
1
Ready to operate
Inverter is switched on (ON command is applied), no fault is active,
inverter can start when "Enable operation" command is issued. See
control word 1, bit 0.
1
0
Not ready to operate
--
1
Operation enabled
Drive follows setpoint. See control word 1, bit 3.
2
0
Operation disabled
--
1
Fault present
Drive has faulted. Drive is faulty and thus inoperative, switches to
starting lockout state after successful correction and
acknowledgement of fault.
3
0
No fault
--
1
Coast Stop not activated
--
4
0
Coast Stop activated
Coast Stop (OFF 2) command is present.
1
Quick Stop not activated
--
5
0
Quick Stop activated
Quick Stop (OFF 3) command is present.
1
Switching on inhibited
The drive goes only again in the "Switched On" condition with "No
Coast Stop AND No Quick Stop" followed by "ON".
6
0
Switching on not inhibit
--
1
Warning present
Drive still works; warning in the service/maintenance parameter; no
acknowledgement, see alarm parameter r2110.
7
0
No warning
There is no warning or the warning has disappeared again.
1
Speed error within tolerance range
Setpoint/actual value deviation within tolerance range.
8
0
Speed error out of tolerance range
--
1
Master control requested
The automation system is requested to assume control.
9
0
No control requested
The master is not currently the master control.
1
Maximum frequency reached or
exceeded
Inverter output frequency is higher or equal to the maximum
frequency.
10
0
Maximum frequency not reached
--
1
--
--
11
0
Warning: Motor at current/torque limit --
1
Motor holding brake active
Signal can be used to control a holding brake.
12
0
--
--
1
--
Motor data indicate overload condition.
13
0
Motor overload
--
1
CW rotation
--
14
0
CCW rotation
--
1
--
--
15
0
Inverter overload
e.g. current or temperature.