Industrial IO-Link master ifm model AL1321

Technical specifications

Application

hygienic systems; I/O modules for field applications

Loop-through function

fieldbus interface

Operating voltage [V]

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

Current consumption [mA]

300...3900; (US)

Protection class

III

Max. current load total [A]

3.6

Total number of inputs and outputs

8; (configurable)

Number of inputs and outputs

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

Number of digital inputs

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

Switching level high [V]

11...28

Switching level low [V]

0...5

Digital inputs protected against short circuits

Yes

Number of digital outputs

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

Max. current load per output [mA]

300

Short-circuit proof

Yes

Communication interface

Ethernet; IO-Link

Transmission standard

10Base-T; 100Base-TX

Transmission rate

10 MBit/s; 100 MBit/s

Protocol

MQTT JSON

Factory settings

IP address: 169.254.x.x; subnet mask: 255.255.0.0; gateway IP address: 0.0.0.0; MAC address: see type label

Note on interfaces

Secure protocol: HTTPS

Transmission type

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

IO-Link revision

1.1

Number of ports class A

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

MTTF [years]

95

Weight [g]

321.75

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: A; Contacts: 4; Sealing: EPDM

Fieldbus protocol

EtherNet/IP; DLR; 10/100 Mbit/s

IoT protocol

MQTT JSON; secure HTTPS; independent IoT interface

Manufacturer interface review scope

AL1321-00 EN-GB, 2026-01-13: 4 Class A IO-Link ports. Fieldbus and IoT protocols are separate interfaces; generic protocol field is not the full communication scope.