Industrial IO-Link master ifm model AL1431

Technical specifications

Application

hygienic systems; I/O modules for field applications

Loop-through function

voltage supply; fieldbus interface

Operating voltage [V]

20...28 DC; (US ; to PELV)

Current consumption [mA]

300...3900; (US)

Protection class

III

Additional voltage supply [V]

20...30 DC; (UA)

Max. current load total [A]

3.6

Current rating per port [A]

2; (adjustable: 0...2; Factory setting: 0,45)

Total number of inputs and outputs

12; (configurable)

Number of inputs and outputs

Number of digital inputs: 4; Number of digital outputs: 8

Number of digital inputs

4; (IO-Link Port Class B: 4 x 1)

Switching level high [V]

11...30

Switching level low [V]

0...5

Digital inputs protected against short circuits

Yes

Number of digital outputs

8; (IO-Link Port Class B: 4 x 2)

Short-circuit proof

Yes

Max. current load per output [mA]

2000

Communication interface

Ethernet; IO-Link

Transmission standard

100Base-TX

Transmission rate

100 MBit/s

Protocol

EtherCAT

Factory settings

MAC address: see type label

Note on interfaces

AoE (ADS over EtherCAT); CoE (CANopen over EtherCAT); EoE (Ethernet over EtherCAT); FoE (File Access over EtherCAT)

Transmission type

COM1 (4,8 kBaud); COM2 (38,4 kBaud); COM3 (230,4 kBaud)

IO-Link revision

1.1

Number of ports class B

4

Ambient temperature [°C]

-25...60

Storage temperature [°C]

-25...85

Max. relative air humidity [%]

90

Protection rating

IP 65; IP 66; IP 67; IP 69K; (operation with stainless steel protective caps: IP 69K)

Protection rating (NEMA 250)

6P

Pollution degree

2

Chemical media

ISO 16750-5: HLP, CC, DB, DC, DD, CA; NEMA 250 5.13.1: AA

EMC

EN 61000-6-2; EN 61000-6-4

Shock resistance

DIN EN 60068-2-27

Vibration resistance

DIN EN 60068-2-64 2009-04; DIN EN 60068-2-6 2008-10

Weight [g]

322.4

Housing

rectangular

Type of mounting

backplane mounting

Dimensions [mm]

152 x 59.3 x 38.4

Materials

housing: PA grey; socket: stainless steel (316L/1.4404)

Sealing material

EPDM

Items supplied

Protective cap: 1 x M12, stainless steel, E12542

Remarks

For further information please see the operating instructions.

Pack quantity

1 pcs.

Connector

1 x M12; coding: L; Contacts: 5; Sealing: EPDM

Documents / datasheets

Source reviewed: 2026-10-24

Description

Industrial IO-Link master ifm part number AL1431; Operating voltage [V]: 20...28 DC; (US ; to PELV); Current consumption [mA]: 300...3900; (US); Additional voltage supply [V]: 20...30 DC; (UA). Technical specifications, condition and supply feasibility are checked before ordering.