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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.
9006*
Port X02: Port Configuration (
→
Mapping: port configuration
(
→ p.
9012*
Port X03: Port Configuration (
→
Mapping: port configuration
(
→ p.
9018*
Port X04: Port Configuration (
→
Mapping: port configuration
(
→ p.
9024*
Port X05: Port Configuration (
→
Mapping: port configuration
(
→ p.
9030*
Port X06: Port Configuration (
→
Mapping: port configuration
(
→ p.
9036*
Port X07: Port Configuration (
→
Mapping: port configuration
(
→ p.
9042*
Port X08: Port Configuration (
→
Mapping: port configuration
(
→ p.
* ... valid start address for accessing the register area (
→
Rules for accessing the Modbus register
(
→ p.
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.