IFM AL1940, Device Manual

Page: 82 / 110

82
ifm Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940) 05 / 2018
Appendix Modbus
>
Single Port Access
11408
Register Contents
Bits 8-15 Bits 0-7
1000* Port X01: Digital Data - clamp 2 Port X01: Digital Input - clamp 4 (DI)
1001* reserved Port X01:
→
Mapping: PQI
(
→ p.
83 )
1002 Port X01: Input Data IO-Link (n bytes)
1100* reserved Port X01: Digital Output - clamp 4 (DO)
1101* Port X01: Output Data IO-Link (n bytes)
2000* Port X02: Single Port Access (Mapping:
→ Port X01 - register 1000...1101)
3000* Port X03: Single Port Access (Mapping:
→ Port X01 - register 1000...1101)
4000* Port X04: Single Port Access (Mapping:
→ Port X01 - register 1000...1101)
5000* Port X05: Single Port Access (Mapping:
→ Port X01 - register 1000...1101)
6000* Port X06: Single Port Access (Mapping:
→ Port X01 - register 1000...1101)
7000* Port X07: Single Port Access (Mapping:
→ Port X01 - register 1000...1101)
8000* Port X08: Single Port Access (Mapping:
→ Port X01 - register 1000...1101)
* ... valid start address for accessing the register area (
→ Rules for accessing the Modbus register
(
→ p.
58 ))
Legend:

[Digital Input -
clamp 2] clamp 2 signal level (if used) 1 byte 0x00 LOW
0x01 HIGH

[Digital Input -
clamp 4 (DI)] clamp 4 signal level (operating mode DI) 1 byte 0x00 LOW
0x01 HIGH

[Input Data IO-Link
(n Bytes)] Input data (operating mode IO-Link) (n bytes)
n = [2,4,8,16,32]; is determined by parameters [Process
Data Length] (
→ Configuration Area
(
→ p.
73 ))
n byte per byte: 0x00...0xFF

[Digital Output -
clamp 4(DO)] clamp 4 signal level (operating mode DO) 1 byte 0x00 LOW
0x01 HIGH

[Output Data
IO-Link (n Bytes) Output data (operating mode IO-Link) (n bytes)
n = [2,4,8,16,32]; is determined by parameters [Process
Data Length] (
→ Configuration Area
(
→ p.
73 ))
n byte per byte: 0x00...0xFF