FLM BK ETH M12 DI 8 M12-2TX 2736916 PHOENIX CONTACT The Ethernet bus coupler opens a local bus for up to 16 .. View larger
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FLM BK ETH M12 DI 8 M12-2TX 2736916 PHOENIX CONTACT The Ethernet bus coupler opens a local bus for up to 16 ..





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The Ethernet bus coupler opens a local bus for up to 16 devices. Additional functions: 10 Mbps and 100 Mbps, auto negotiation, auto crossover, 8 digital inputs, channel-specific diagnostics, short-circuit and overload protection, M12 fast connection technology.

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Programmable Logic Controllers Plcs


I/O systems. Connectors - PHOENIX CONTACT

* Brand new product in its original packaging covered by the warranties and certifications provided by PHOENIX_CONTACT

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Product description

The Fieldline Modular FLM BK ETH M12 DI8 M12 bus coupler with 8 digital inputs couples a Fieldline Modular local bus station to an Ethernet network and is also used for measuring digital signals. The bus coupler consists of two Ethernet connections that are designed as D-coded M12 sockets. Additional Ethernet devices can be connected due to the integrated, manageable 3-port switch to implement a line structure. The transmission speeds are 10 Mbps and 100 Mbps and are automatically selected by the device (auto negotiation). The interfaces can automatically interchange the receive and transmit cables (autocrossover). Following network protocols are supported by the FLM BK ETH M12 DI8 M12 bus coupler:

– Modbus/TCP

– Modbus/UDP

– DDI (Device Driver Interface)

The Ethernet bus coupler provides a powerful local bus as lower-level bus. The total length of the local bus is 20 m and it can connect up to 16 I/O units. Selectable transmission speeds in the range 500 kBaud to 2 Mbaud allow for flexible adaptation to the application and also permit savings on warehousing costs. The local bus connection is provided by 5-pos. B-coded M12 connectors. The four double-occupied sensor slots can be assigned through 5-pos. A-coded M12 connectors with sensors in 2, 3 or 4 conductor technology respectively.

The sensor supply is short-circuit and overload-protected and thus guarantees a high plant availability. The diagnosis and status indicators for voltage supply, network and local bus operation with the corresponding monitoring functions reduce bus downtime and provide support if service becomes necessary.

The high-performance SPEEDCON technology used allows connection times to be reduced by up to 90 %. The classic M12 connections can continued to be used with full compatibility.


Width70 mm
Height178 mm
Depth50 mm
Drill hole spacing178 mm

Ambient conditions

Ambient temperature (operation)-25 °C ... 60 °C
Ambient temperature (storage/transport)-25 °C ... 85 °C
Permissible humidity (storage/transport)95 %
Air pressure (operation)80 kPa ... 106 kPa (up to 2000 m above sea level)
Air pressure (storage/transport)70 kPa ... 106 kPa (up to 3000 m above sea level)
Degree of protectionIP65/IP67


Net weight280 g
Mounting typeWall mounting
Wall mounting, optionally on mounting plate


Fieldbus systemEthernet
DesignationEthernet (Modbus TCP)
Connection methodM12 connectors, D-coded
Designation connection pointCopper cable
Transmission speed10/100 MBit/s (auto negotiation)
Number of positions4

Local bus gateway

DesignationLocal bus gateway
Connection methodM12 connector, B-coded
Transmission speed500 kbaud/2 Mbaud, can be selected
Max. number of local bus devices16
Max. length of local bus20 m

Power supply for module electronics

Connection methodM12 connector
Supply voltage24 V DC
Supply voltage range18 V DC ... 30 V DC (including ripple)
Supply current< 100 mA

Fieldline potentials

Voltage supply UL24 V DC
Power supply at ULmax. 4 A
Current consumption from ULmax. 118 mA (At 2 Mbaud)
typ. 118 mA (At 2 Mbaud)
max. 60 mA (At 500 kBaud)
typ. 60 mA (At 500 kBaud)
Voltage supply US24 V DC
Power supply at USmax. 4 A
Current consumption from UStyp. 5 mA (plus power supply for sensors)
max. 600 mA

Digital inputs

Input nameDigital inputs
Connection methodM12 connector
2, 3, 4-wire
Number of inputs8 (EN 61131-2 type 1)
Protective circuitShort-circuit protection, overload protection of the sensor supply Protection against polarity reversal
Filter time3 ms
Input characteristic curveIEC 61131-2 type 1
Input voltage24 V DC
Input voltage range "0" signal-30 V DC ... 5 V DC
Input voltage range "1" signal13 V DC ... 30 V DC

Datasheet - PDF

Title: Language: Size: Type:
PHOENIX CONTACT-2736916-FLM BK ETH M12 DI 8 M12-2TX English 130 Kbytes PHOENIX CONTACT-2736916-FLM BK ETH M12 DI 8 M12-2TX

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