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.
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