Moxa EJS-04 | 4-Port EtherCAT Junction, 100BaseT(X), -10 to 60 C

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SKU:EJS-04

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Description

The EJS-04 is a 4-port 100BaseT(X) EtherCAT junction for industrial automation networks, designed to convert and extend EtherCAT topologies. It supports star, line, tree and ring layouts, with four RJ45 ports, 8 FMMU and 8 Sync Manager resources. This standard temperature model operates from -10 to 60 C and is housed in a compact IP30-rated metal case.

Dual 12/24/48 VDC power inputs (9.6 to 60 VDC operating range) provide redundant power, with overload current and reverse polarity protection. The unit mounts on a DIN rail, or on a wall with the optional kit, and is certified for the EtherCAT Conformance Test by the ETG. It meets EN 61000-6-2 and EN 61000-6-4 industrial EMC standards.

Features

- Four full-duplex 100BaseT(X) RJ45 ports for multiple slave connections
- Topology conversion for more flexible EtherCAT networks
- Compact size for easy installation
- Wide power input range with redundant dual inputs
- IP30-rated metal housing
- Meets EN 61000-6-2 and EN 61000-6-4 industrial EMC standards
- DIN-rail grounding to optimise space and wiring
- Certified for the EtherCAT Conformance Test by the ETG

Warranty

Moxa offers varying warranty periods depending on the product category:
• 5-Year Warranty: Applies to most industrial networking and connectivity products, including Ethernet switches, routers, wireless devices, serial converters, protocol gateways, and USB hubs.
• 3-Year Warranty: Covers x86-based industrial computers and panel PCs.
• 1-Year Warranty: Applies to external batteries, LCD panels, power adapters, antennas, and other select accessories.
Extended Warranty Options:
IP Trading offers tailored extended warranty solutions and support packages for Moxa products. Contact our team to explore options that align with your organization's needs.
https://www.moxa.com/en/support/repair-and-warranty/warranty-policy

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Technical Specifications

- 4 x 100BaseT(X) RJ45 ports, Auto MDI/MDI-X
- Port combination: 1 (IN), 3 (OUT)
- FMMU: 8, Sync Manager: 8
- Supported topologies: Star, Line, Tree, Ring
- Port delay: approximately 1 us per port
- Cable length: 100 m
- ID selector rotary switch: address range 1 to 4095
- Power input: 12/24/48 VDC, dual inputs, operating range 9.6 to 60 VDC
- Input current: 0.13 A max.
- Power connector: 1 removable 4-contact terminal block
- Overload current and reverse polarity protection
- LED indicators: PWR1, PWR2, RUN
- Housing: IP30 metal
- Installation: DIN-rail mounting, wall mounting with optional kit
- Dimensions: 24.5 x 100 x 75 mm
- Weight: 245 g
- Operating temperature: -10 to 60 C
- Storage temperature: -40 to 85 C
- Ambient relative humidity: 5 to 95% (non-condensing)
- MTBF: 8,718,114 hrs (Telcordia)

FAQs

Q: What EtherCAT topologies does the EJS-04 support?
A: It supports star, line, tree and ring topologies, allowing an existing EtherCAT network layout to be converted or extended.

Q: How is the EJS-04 powered?
A: It has dual 12/24/48 VDC power inputs with an operating range of 9.6 to 60 VDC, supporting redundant power. Overload current and reverse polarity protection are included.

Q: What is the operating temperature range of this model?
A: This standard temperature model operates from -10 to 60 C.

Q: How do I mount the EJS-04?
A: It mounts on a DIN rail, or on a wall using the optional wall-mounting kit.

Q: How are the four ports configured?
A: The port combination is 1 IN and 3 OUT. All four are 100BaseT(X) RJ45 ports with Auto MDI/MDI-X, and each adds approximately 1 us of port delay.

Q: Is the EJS-04 EtherCAT certified?
A: Yes. It is certified for the EtherCAT Conformance Test by the EtherCAT Technology Group (ETG).

Datasheet

This product has a detailed PDF datasheet available. Open PDF datasheet in a new tab .

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Moxa EJS-04 | 4-Port EtherCAT Junction, 100BaseT(X), -10 to 60 C