Programming
CX8030 / CX8031 65Version: 1.6
Port 0 deactivated, 802 PLC runtime system 1, task 1
MSAC-C1 Read
A DPV1-MSAC_C1 read indication is represented in an ADS read indication as follows:
ADS read indication parameter Meaning
Source-Net-ID (NETID) Net-ID of the slave (see the device's ADS tab)
Source-Port (PORT) 0x1000+slave address
Invoke-ID (INVOKEID) A unique number that must reappear in the response
IndexGroup (IDXGRP) Slot number (DPV1 parameter)
IndexOffset(IDXOFFS) Index (DPV1 parameter)
Length (LENGTH) Length of the data that is to be read
An ADS read response is represented in a DPV1-MSAC_C1 read response as follows:
ADS read response parameter Meaning
Destination-Net-ID (NETID) Net-ID of the slave (see the device's ADS tab)
Destination-Port (PORT) 0x1000+slave address
Invoke-ID (INVOKEID) A unique number, as under indication
Result (RESULT) Result of the read: 0 = no error, otherwise: bits 0-15 =
standard ADS error codes, bits 16-23 =
Error_Code_1, bits 24-31 = Error_Code_2, see
description of the DPV1 error codes [}66]
Length (LENGTH) Length of the data that has been read
Data (DATAADDR) read data
MSAC-C1 Write
A DPV1-MSAC_C1 write indication is represented in an ADS write indication as follows:
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