78
ifm
Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940)
05 / 2018
Appendix
Modbus
>
Input Data
17312
Register
Contents
Bits 8-15
Bits 0-7
197*
Port X01...X04: Digital Input - Pin 2 / Pin 4 (DI) (
→
Mapping: digital input data
(
→ p.
198*
Port X01...X04: Diagnostic Information (
→
Mapping: diagnostic information
(
→ p.
199*
Port X01...X04: Status Information IO-Link Ports (
→
Mapping: Status information IO-Link ports
(
200
Port X01...X04: Compact Input Block (4n bytes)
297*
Port X05...X08: Digital Input - Pin 2 / Pin 4 (DI) (
→
Mapping: digital input data
(
→ p.
298*
Port X05...X08: Diagnostic Information (
→
Mapping: diagnostic information
(
→ p.
299*
Port X05...X08: Status Information IO-Link Ports (
→
Mapping: Status information IO-Link ports
(
300
Port X05...X08: Compact Input Block (4n bytes)
* ... valid start address for accessing the register area (
→
Rules for accessing the Modbus register
(
→ p.
Legend:
[Digital Input - Pin
2 / Pin 4 (DI)]
Digital input data Pin 2 / Pin 4 (operating mode DO) of 4
IO-Link ports
2 bytes
[Diagnostic
Information]
Diagnostic information
2 bytes
[Status
Information
IO-Link Ports]
Status information of the IO-Link ports
2 bytes
[Compact Input
Block (4n Bytes)]
Input data (operating mode IO-Link) of 4 IO-Link ports
n = [2,4,8,16,32]; is determined by parameters [Process
Data Length] (
→
Configuration Area
(
→ p.
4n byte
per byte: 0x00...0xFF