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Product specification sheet

AL1921Document: AV-FEED-YMARK6
Industrial IO-Link master ifm model AL1921,  Part number AL1921

ifm · Industrial networking

Industrial IO-Link master ifm model AL1921

Industrial IO-Link master ifm part number AL1921; 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.

Manufacturer part number
AL1921
Brand
ifm
Category
Industrial networking
Catalog status
Available on request

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
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
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]
44
Weight [g]
318
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.
Manufacturer datasheet · AL1921 / EN-GB / AL1921-00 / 2024-07-02 · en-GB · AL1921-00 · 2024-07-02Manufacturer source: ifm · Exact model verified · Covered models: AL1921 · Checked: 2026-10-07Official manufacturer source

This sheet provides a quick technical summary. For design, installation and final selection, review the latest official manufacturer documentation and verify the complete part number.