03.99
Communication via CC-Link
Siemens AG
6SE7087-6NX84-0GB0
SIMOVERT MASTERDRIVES
Operating Instructions
4-21
You want to write an indexed (array) word (16-bit): Task ID is 7 (PKE bit
15...12). Parameter 443 (decimal) is 1BBh (hexadecimal). You activate
PKE Command and get the reply:
Reply Code (RWrm+2)
=
8007h
Read Data (RWrm+3)
=
0011h
You get an error message:
8007h = PKW request cannot be executed;
additional error number in PWE1
At PKE Command the register Read data has the contents of PWE1;
that means 0011h is the additional error code; 0011h = 17 (decimal)
17 = Task cannot be executed because of operating status.
The error message occurs when you try to change the setpoint channel
with the motor running!
3) Write parameter P443 = 0040 (converter not in RUN-mode):
INDEX Command:
Command Code (RWwm+2)
=
0801h
Written Data (RWwm+3)
=
irrelevant
You get the reply:
Reply Code (RWrm+2)
=
0000h
Read Data (RWrm+3)
=
irrelevant
PKE Command:
Command Code (RWwm+2)
=
71BBh
Written Data (RWwm+3)
=
0040
You get the reply:
Reply Code (RWrm+2)
=
0003h
Read Data (RWrm+3)
=
0040h
Reply code: o.k.; information read back is a 16-bit operand.
Read Data: source main setpoint is really changed to 0040.
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