IFM AL1940, Device Manual

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73
ifm Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940) 05 / 2018
Appendix Modbus
>
Configuration Area
8912
Register Content
Bits 8-15 Bits 0-7
8998* Access Rights Process Data Length
8999* reserved Byte Swap
9000* Port X01: Port Configuration (
→
Mapping: port configuration
(
→ p.
74 ))
9006* Port X02: Port Configuration (
→
Mapping: port configuration
(
→ p.
74 ))
9012* Port X03: Port Configuration (
→
Mapping: port configuration
(
→ p.
74 ))
9018* Port X04: Port Configuration (
→
Mapping: port configuration
(
→ p.
74 ))
9024* Port X05: Port Configuration (
→
Mapping: port configuration
(
→ p.
74 ))
9030* Port X06: Port Configuration (
→ Mapping: port configuration
(
→ p.
74 ))
9036* Port X07: Port Configuration (
→ Mapping: port configuration
(
→ p.
74 ))
9042* Port X08: Port Configuration (
→ Mapping: port configuration
(
→ p.
74 ))
* ... valid start address for accessing the register area (
→ Rules for accessing the Modbus register
(
→ p.
58 ))
Legend:

[Access Rights] The access rights to the parameter
data, process data and the
events/diagnostic messages of the
IO-Link master as well as the connected
IO-Link devices. 1 byte 0x00 IoT
0x01 IoT (ro)
0x02 Modbus only
0x03 Keep setting (default)

[Process Data
Length] Length of the process input data and
process output data 1 byte 0x01 2 bytes input / 2 bytes output data

Input Data: 14 Words

Output Data: 10 Words
0x02 4 bytes input / 4 bytes output data

Input Data: 22 Words

Output Data: 18 Words
0x04 8 bytes input / 8 bytes output data

Input Data: 38 Words

Output Data: 34 Words
0x08 16 bytes input / 16 bytes output data

Input Data: 70 Words

Output Data: 66 Words
0x16 32 bytes input / 32 bytes output data

Input Data: 134 Words

Output Data: 130 Words

[Byte Swap] Sequence of bytes in the data word 1 byte 0x00 as Array of Bytes
0x01 as integer16 value; when process data
is updated, bytes will be exchanged

[Port
Configuration] Configuration of the IO-Link port 12 bytes
→ Mapping: port configuration
(
→ p.
74 )