Toshiba VF-MB1/S15 Access to the Profibus parameter, AK Request from Master to PDP003Z）

E6581738

3.5.Access to the PROFIBUS parameter

In the cyclic PROFIBUS-DP communication, the parameter data is transferred via Telegram 100, 101. If the requirement is not executed, the cause is distinguished by octet 7 and 8.

	PKW				PZD
	(Parameter ID/value)			Process data (cyclically)
				PZD1		PZD2
PKE	IND	PWE		STW		HSW
				ZSW		HIW
Octet 1 Octet 2	Octet 3 Octet 4 Octet 5	Octet 6 Octet 7	Octet 8

PKE (Parameter ID)

15 14 13 12

11

10 9 8 7 6 5 4 3 2 1 0

AK	SPM	PNU
(Task ID/Response ID)		(Parameter number)

AK (Request from Master to PDP003Z）

Request ID	Function	Note
0	No task
1	Request parameter value	for PNU access
2	Change parameter value (word)	for PNU access
6	Request parameter value (array)	for PNU access, VF-MB1/S15 parameter
		access
7	Change parameter value (array)	for PNU access, VF-MB1/S15 parameter
		access

AK (Response from PDP003Z to Master)

Response ID Function

0No response

1Transfer parameter value (word)

4 Transfer parameter value (array)

7Task can not be executed, followed by error number 0 = Illegal parameter number

1 = Parameter value cannot be changed

2 = Lower or upper limit violated

3 = Erroneous sub index

11 = No parameter change rights

17 = Task cannot be executed due to operating status (e.g. parameter is currently read-only)

18 = Other error

102 = Request not supported

SPM: always 0.

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