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Ethernet modules
The Ethernet modules offer a scalable solution for directly connecting digital inputs and outputs in the field. They support everything from simple signal acquisition to powerful actuator control with integrated current measurement, counter functions, and configurable switching functions.
Decentralised I/O with daisy-chain and high-speed counting function
Thanks to daisy-chain capability, robust design, and application-oriented variants, ifm Ethernet modules are ideal for modular, decentralised automation concepts.
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| AL41xx | AL43xx | AL40xx | AL42xx | |
| Daisy-chain | Power + fieldbus | Fieldbus | Fieldbus | |
| Power | M12 L-code 16 A (US) 16 A (UA) |
M12 A-code 3.9 A (US) |
M12 A-code 3.9 A (US) 4 A (UA) |
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| Ports | M12 A-code 8 x 2 DI |
M12 A-code 4 x 2 DO 4 x 2 DI |
M12 A-code 8 x 2 DI |
M12 A-code 4 x 2 DO 4 x 2 DI |
| Fieldbus | PROFINET EtherNet/IP Modbus TCP EtherCAT |
PROFINET EtherNet/IP |
PROFINET EtherNet/IP Modbus TCP EtherCAT |
PROFINET EtherNet/IP Modbus TCP |
| Output power |  |
3.6 A (port 1+2) 3.6 A (port 3+4) |
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3.6 A (Port 1–4) |
| Current limitation | per module | per port (adjustable) | per module | per module |
| Current measurement | |
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| Counter function | CTU (Up Counter) CTD (Down Counter) CTUD (Up-Down Counter) CTDIR (Direction Counter) |
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| Output switching function SSC (counter) |
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one point two point window latch |
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one point two point window latch |
| Protection rating | IP67 (orange) IP69K (grey) |
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Material Connectors/sockets |
Nickel-plated brass (orange) Stainless steel (grey) |
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