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ifm
Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940)
05 / 2018
Configuration
Modbus
>
8.3.2
Set IO-Link master and IO-Link ports
10928
Register area for the access to the configuration of the IO-Link master:
→
Configuration Area
(
The area contains the following data:
Access rights to the IO-Link master
Data length of the IO-Link input and output data of all IO-Link ports
Alignment of the bytes in a data word
Port configuration of the IO-Link ports
► Observe the general rules for access to the Modbus registers (→
Rules for accessing the
Modbus register
(
Several connected register areas can be written with one write command.
► When writing the registers, ensure that the transferred parameter data has the correct
length!
Register area
Contents
Access
Start
address
Length
(words)
8998
1
Access Rights; Process Data Length
r/w
8999
1
Byte swap
r/w
9000
6
Port X01: Port Configuration
r/w
9006
6
Port X02: Port Configuration
r/w
9012
6
Port X03: Port Configuration
r/w
9018
6
Port X04: Port Configuration
r/w
9024
6
Port X05: Port Configuration
r/w
9030
6
Port X06: Port Configuration
r/w
9036
6
Port X07: Port Configuration
r/w
9042
6
Port X08: Port Configuration
r/w
r/w = read and write
In addition, the user can set the IO-Link ports of the AL1940 via the following acyclic commands:
"Set Mode":
→
Command 0x10 – Set mode
(
"Set Validation ID / Data Storage":
→
Command 0x20 – Set validation ID / data storage
(
"Set Fail-safe Data Pattern":
→
Command 0x30 – Set fail-safe data pattern
(
The commands use the process mechanisms of the acyclic command channel (
→
Use acyclic services
(