Industrial IO-Link master ifm model AL1970

Technical specifications

Design

housing for DIN rail mounting

Application

I/O modules for use in the control cabinet

Operating voltage [V]

20...30 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

16; (configurable)

Number of inputs and outputs

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

Number of digital inputs

8; (IO-Link Port Class A)

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 A)

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

Transmission type

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

IO-Link revision

1.1

Number of ports class A

8

Ambient temperature [°C]

-25...65

Storage temperature [°C]

-25...85

Max. relative air humidity [%]

90

Protection rating

IP 20

EMC

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

MTTF [years]

78

Weight [g]

340.9

Housing

rectangular

Type of mounting

mounting on DIN rail; (TH35 (EN 60715))

Dimensions [mm]

125.7 x 50 x 105.3

Materials

housing: PA orange

Items supplied

cage clamps: 9

Remarks

For further information please see the operating instructions.

Pack quantity

1 pcs.

Fieldbus protocol

POWERLINK; dedicated X21/X22 Ethernet interface.

IoT protocol

Independent MQTT JSON IoT interface X23; HTTPS is not confirmed by the reviewed AL1970-00 sheet.

Manufacturer supply scope

20–30 V DC sensor supply US, 3.6 A total; digital output current limit 300 mA per output. These ratings are distinct.

Manufacturer application scope

Eight Class A IO-Link ports; IP20 DIN rail control-cabinet module. Not an IP67 field module.

Wiring review scope

AL1970-00 page 3 prints IoT X23 pin 3 as RX x; no corrected pin assignment inferred. Check operating instructions before wiring.

Documents / datasheets

Source reviewed: 2026-10-24

Description

Industrial IO-Link master ifm part number AL1970; Operating voltage [V]: 20...30 DC; (US ; to SELV/PELV); Current consumption [mA]: 300...3900; (US); Max. current load total [A]: 3.6. Technical specifications, condition and supply feasibility are checked before ordering.