EP1312-0001 Beckhoff
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The Beckhoff EP1312-0001 is part of the EP Digital Input Modules series and features a bus interface with 2 M8 shielded and 2 P-coded M8 connectors. It is protected by a PA6 polyamide housing, supports up to 10 EtherCAT P slaves per segment, and has a nominal voltage of 24 V DC. The device measures 30 x 126 x 26.5 mm and is rated for IP65, IP66, and IP67 protection classes.
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Product Description:
The EP1312-0001 digital input module is manufactured by Beckhoff and belongs to the EP Digital Input Modules series. Designed for EtherCAT P networks, it places signal acquisition directly on the machine so that discrete sensors can connect without long cable runs. The compact enclosure combines power forwarding and communication, allowing the module to pass both 24 V supply lines and high-speed fieldbus data to subsequent nodes. In automation systems, it relays binary input states to the controller with timing suitable for motion, safety, and inspection tasks.
Its footprint measures 30 x 126 x 26.5 mm, and the housing is molded from PA6 polyamide that withstands oils and coolants. Two shielded M8 sockets carry the EtherCAT line, while two P-coded M8 ports transfer power and data to other devices; the channel arrangement includes one EtherCAT In, one EtherCAT Out, and two EtherCAT P taps. Each segment may extend to a 70 m maximum segment length and can support up to 10 slaves per segment before regeneration is required. Internally, the electronics operate from a nominal 24 V DC supply through the US circuit, and the enclosure is sealed to IP65/IP66/IP67 so it can be mounted on tooling without a cabinet. Two 3.5 mm mounting holes permit direct attachment to aluminum framing.
The power budget is distributed through separate US and UP conductors, and the module can forward up to 3 A on both US and UP to downstream loads while its own circuitry draws only 120 mA from the sensor supply. Under shock, it tolerates 35 g for 11 ms, which supports installation on stamping presses and gantry axes. The tightening torque for every M8 connector is specified at 0.4 Nm to help preserve the sealing gaskets. Additional limits include a cumulative US current of 4 A for the segment and a supply connection formed by one male and one female 4-pin M8 plug, which provides a simple field connection without separate terminal wiring.
Frequently Asked Questions about EP1312-0001:
Q: What is the required supply voltage for the EP1312-0001 module?
A: The EP1312-0001 supports a nominal voltage of 24 V DC for its operation.
Q: How many communication channels are available on the EP1312-0001 module?
A: This module offers one EtherCAT In, one EtherCAT Out, and two EtherCAT P channels for flexible connectivity in EtherCAT networks.
Q: What is the port sum current capacity of the EP1312-0001?
A: The EP1312-0001 features a port sum current of 3 A per US and UP, allowing it to handle substantial loads per port.
Q: What protection class does the EP1312-0001 provide?
A: It has a protection class rating of IP65, IP66, and IP67, enabling reliable use in dusty and wet industrial environments.
Q: How many EtherCAT P slaves can the EP1312-0001 connect per segment?
A: The EP1312-0001 supports up to 10 EtherCAT P slave devices per segment for efficient network expansion.
