YASKAWA VIPA System 200V, Руководство пользователя

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Chapter 4 Serial communication Manual VIPA System 200V
4-16 HB97E - CPU - RE_21x-2BS03 - Rev. 15/16
Interface communication
The communication happens via the following handling blocks in the OB1:
No. Designator
SFC 230 SEND Initialize a send order
SFC 236 SEND-ALL Send user data
SFC 231 RECEIVE Initialize a receive order
SFC 237 RECEIVE-ALL Receive user data
SFC 232 FETCH Initialize a fetch order
SFC 233 CONTROL Block for communication control
Cycle OB1:
•
Create SEND and RECEIVE orders for send and receive initialization
•
Create SEND ALL and RECEIVE ALL orders for user data transfer
The following section contains a summary of this blocks.
The SEND block serves the initialization of a send order to a CP.
Please regard that a send order is only executed when the following
conditions are met:
•
the SEND has received a RLO "1"
•
the bit "order in process" in the indicator word has been reset
Name Declaration Type Description
SSNR IN INT Interface number
ANR IN INT Job number
IND IN INT Mode of addressing
QANF IN ANY Pointer to data source
PAFE OUT BYTE Parameterization error
ANZW IN_OUT DWORD Indicator word
Overview
SFC 230 - SEND
Parameters