Siemens SIMOVERT MASTERDRIVES Operating Instructions Manual page 39

03.99
READ Command
NOTE
Siemens AG 6SE7087-6NX84-0GB0
SIMOVERT MASTERDRIVES
After PKE Command is executed CBL clears the register IND in the
PKW request structure; reason: fault tolerant handling; if you forget to
handle the INDEX Command before PKE Command by accessing
indexed parameters an error message will be generated from the
converter.
Starting a READ Command, first write 0C00h in register command
code (RWwm+2). Now you can activate control bit command code
execution request (RYnF). CBL writes the higher word of the operand
(PWE2) in register read data (RWrm+3) and in register reply code
(RWrm+2) the value 0000 (o.k.). CBL closes the sequence by
activating control bit command code execution complete (RXnF).
READ-Command (0C00h)
15 14 13 12
0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0
Rules for READ Command:
♦ If you read a 16 bit operand you don't need the READ Command .
Reply code Meaning
0000 Positive reply at INDEX Command and READ Command
0003 Positive reply at PKE Command;
PKW reply delivers 16 bit data (in PWE1)
0004 Positive reply at PKE Command ;
PKW reply delivers 32 bit data (low word in PWE1; high word in
PWE2)
8004 Negative reply at PKE Command;
no PKW reply from converter (timeout 40 seconds)
8006 Negative reply at PKE Command;
PKW reply has an operand longer than 32 bit
8007 Negative reply at PKE Command;
PKW request cannot be executed; additional error number in
PWE1; meaning of additional error number refer to Table 4-6.
8008 Negative reply at PKE Command;
No operator change rights for PKW interface;
refer to chapter 5 "Start-up of the CBL" (P053)
Table 4-7 Reply code of command code execution
When changing parameters which are corresponding to CBL (e.g.
scaling parameters), they are activated only after a power-on of the
converter or a re-initializing of the CBL.
CBL takes copies of its relevant parameter at initialization!
Operating Instructions
11 10 9 8 7 6
Communication via CC-Link
5 4 3 2 1 0
4-19