75
ifm
Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940)
05 / 2018
Appendix
Modbus
Diagnostic data
11746
Register
Contents
Bits 8-15
Bits 0-7
30*
reserved
Port X01:
→
Mapping: Diagnostics
(
→ p.
31
Port X01: Vendor ID
32
reserved
Port X01: Device ID (MSB)
33
Port X01: Device ID
Port X01: Device ID (LSB)
34...39
Port X01: Events (
→
Mapping: events
(
→ p.
40*
Port X02: Diagnostic data (Mapping:
→ Port X01 - register 30...39)
50*
Port X03: Diagnostic data (Mapping:
→ Port X01 - register 30...39)
60*
Port X04: Diagnostic data (Mapping:
→ Port X01 - register 30...39)
70*
Port X05: Diagnostic data (Mapping:
→ Port X01 - register 30...39)
80*
Port X06: Diagnostic data (Mapping:
→ Port X01 - register 30...39)
90*
Port X07: Diagnostic data (Mapping:
→ Port X01 - register 30...39)
100*
Port X08: Diagnostic data (Mapping:
→ Port X01 - register 30...39)
* ... valid start address for accessing the register area (
→
Rules for accessing the Modbus register
(
→ p.
Legend:
[Vendor ID]
Vendor ID of the manufacturer of the
device on the IO-Link port
2 bytes
0x0000...0xFFFF
[Device ID]
Device ID of the device on the IO-Link
port
Device ID = 0x123456
Device ID (MSB) = 0x12
Device ID = 0x34
Device ID (LSB) = 0x56
3 bytes
per byte: 0x00...0xFF
