IFM AL1940 - Single Port Access

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