09.2008 Communication / PROFIBUS
Siemens AG 6SE7087-6QX70 (Version AK)
SIMOVERT MASTERDRIVES Compendium Motion Control 8.2-95
8.2.9.3 Drive control
Commands (control words)
Contents of the bits in PROFIdrive control word 1. The existing bits are
contained in MASTERDRIVES control word 1 (see also Chapter 10.1).
Bit Meaning
Operating mode speed control Operating mode positioning
0 ON / OFF 1
1 Operating condition / OFF 2
2 Operating condition / OFF 3
3 Enable operation / disable operation
4
Operating condition / disable ramp-function
generator
Operating condition / reject travel task
5
Enable ramp-function generator / stop ramp-
function generator
Operating condition / pause
6 Enable setpoint / disable setpoint Activate travel task (edge)
7 Acknowledge / no meaning
8 Inching 1 ON / Inching 1 OFF
9 Inching 2 ON / Inching 2 OFF
10 Control from PLC / no control
11 Device-specific Start referencing / terminate referencing
12 - 15 Device-specific
Explanation: To the left of the forward slash is the meaning for bit value = 1, to
the right that for bit value = 0.
Contents of the bits in PROFIdrive control word 2.
This is different from the previous MASTERDRIVES control word 2.
Bit Meaning
0 - 11 Device-specific
12 - 15 Master life sign for clock synchronization
Control word 1
Control word 2
IMPORTANT
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