Product photo cropped from manufacturer datasheet cover (blue background, as-is) · industrial 6-port EtherCAT branch module
ZJEC100-6T
EtherCAT Branch Module · 1 In / 5 Out
Industrial 6-Port EtherCAT Branch Module · 1 In / 5 Out · Star Topology · DC 24V
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◆1 In / 5 Out EtherCAT
◆Star Topology
◆DC Distributed Clock
◆Branch Cascading
◆DC24V 20.4-28.8V
◆5-Year Warranty
Overview
The ZJEC100-6T is an industrial EtherCAT branch module with 1 EtherCAT input port and 5 EtherCAT output ports, built for star-topology network deployment across multi-axis machinery and production-line automation. It runs the EtherCAT industrial real-time fieldbus protocol at up to 100Mbit/s full duplex with DC (Distributed Clock) synchronization, and supports cascading additional branch modules to extend the network. Mounted on DIN-rail or wall and powered by DC 24V (20.4–28.8Vdc) with overload and reverse-polarity protection plus strong EMC immunity, it delivers fast, reliable data transmission in harsh industrial environments.
Is This the Right Fit?
Six real deployment scenarios matched to this model's actual datasheet specifications.
Multi-Axis EtherCAT Star Networking1 EtherCAT input port and 5 EtherCAT output ports let this branch module wire multi-axis servo/motion nodes directly in a star topology for complex machinery and production-line EtherCAT networks.
DIN-Rail Cabinet InstallationDIN-rail (default) or wall-mount installation with DC 24V (20.4–28.8Vdc) power input fits directly into electrical control cabinets alongside PLCs and servo drives.
Extreme-Temperature Outdoor CabinetsAn optional wide-temperature build extends operation to -40~+75°C (standard build is rated -10~+55°C), suited to unheated equipment rooms and outdoor cabinets facing seasonal extremes.
Precision Multi-Axis Motion SynchronizationDC (Distributed Clock) synchronization keeps EtherCAT slave clocks aligned across all 5 output branches, supporting the tight timing that multi-axis motion control applications require.
Multi-Level Branch CascadingBranch-module cascading support lets several ZJEC100-6T units be daisy-chained to extend the star topology and cover larger production-line footprints from a single EtherCAT master.
Standardized 100M Full-Duplex Cabling100Mbit/s full-duplex (100Base-TX) EtherCAT ports with Auto MDI/MDIX and standard Cat5e cable runs up to 100m simplify cable planning with off-the-shelf Ethernet cabling.
Not a good fit if:
- Not a standard managed/unmanaged Ethernet switch — no MAC address table, VLAN, or IP routing; it only distributes the EtherCAT real-time bus in a star topology.
- Fixed at 6 ports (1 in / 5 out) per unit — larger port counts require cascading additional branch modules together.
- IP40 metal enclosure only — needs a cabinet or additional protection for direct outdoor rain/dust exposure.
Key Features
- 1 × EtherCAT input port + 5 × EtherCAT output ports for star-topology networking
- EtherCAT industrial real-time fieldbus communication protocol
- DC (Distributed Clock) synchronization
- Supports branch-module cascading
- DC 24V power input (20.4–28.8Vdc)
- Industrial IP40 protection · optional wide-temperature range -40 ~ +75°C
- DIN-rail and wall-mount installation supported
Specifications
General Specifications
| Rated Voltage | 24 Vdc (20.4–28.8 Vdc, -15%~+20%) |
| Current Consumption | Approx. 160mA |
| Protocol | EtherCAT industrial real-time fieldbus protocol |
| EtherCAT Channels | 1 input, 5 output |
| Max Speed | 100Mbps |
| Port / Cable | Standard port with Cat5e cable, length ≤100m |
| Operating Temp | -10 ~ +55°C |
| Storage Temp | -25 ~ +70°C |
| Wide Temp (Optional) | -40 ~ +75°C |
| Humidity | 5–95% non-condensing |
EtherCAT Communication Specifications
| Protocol | EtherCAT industrial real-time fieldbus protocol |
| Sync Method | DC (Distributed Clock) |
| Duplex | Full duplex |
| Max Speed | 100 Mbit/s (100Base-TX) |
| Topology | Star topology |
| Branch Cascading Support | Supported |
| Cable Detection | Auto MDI/MDIX |
External Interfaces
| Power LED | PWR LED, lights green when powered |
| EtherCAT Input Port | Port1 — EtherCAT input, connects to upstream EtherCAT master |
| EtherCAT Output Ports | Port2–Port6 — EtherCAT output, connects to downstream EtherCAT slaves |
| Power Input | 24V power input terminal |
Cabling Requirements
| Cable Type | Flexible stranded cable, S-FTP, Cat5e |
| Standards | EIA/TIA568A, EN50173, ISO/IEC11801, EIA/TIA Bulletin TSB, EIA/TIA SB40-A & TSB36 |
| Wire Gauge | AWG26 |
| Wire Type | Twisted pair |
| Pairs | 4 |
Physical
| Housing | IP40 metal enclosure |
| Mounting | DIN-rail (default), wall-mount optional |
| Dimensions | 53.2 (W) × 100 (H) × 93.5 (D) mm |
Certification
| EMC | CE, FCC |
| EMI | FCC Part 15, EN 55032 (CISPR 32) Class A |
| EMS | EN61000-4-2 (ESD) Level 3, EN61000-4-3 (RS) Level 3, EN61000-4-4 (EFT) Level 3, EN61000-4-5 (Surge) Level 3, EN61000-4-6 (CS) Level 3, EN61000-4-8 |
| Shock | IEC60068-2-27 |
| Free Fall | IEC60068-2-32 |
| Vibration | IEC60068-2-6 |
| Green | RoHS, WEEE |
Reliability
| MTBF | 320,000 hours |
| Warranty | 5 years |
Models & Ordering
| Model | Product Description | Price |
|---|---|---|
| ZJEC100-6T-DLC | Industrial EtherCAT branch module — 1 × EtherCAT input, 5 × EtherCAT output, DC24V (20.4–28.8Vdc) powered. |
The datasheet lists the ordering code for this model as ZJEC100-6T-DLC, with 1 EtherCAT input port and 5 EtherCAT output ports, powered by DC24V (20.4–28.8Vdc). The requested model is ZJEC100-6T.
Dimensions
unit: mm
Your Brand. Factory-Direct Supply.Neutral casing, ready for your logo · Custom port/power options · Small batches welcome.
Custom & OEM →Who uses it, where it goes and how to install it
Written for the ZJEC100-6T from its own specifications: EtherCAT branch module with 1 input and 5 output ports, 100Mbit/s full duplex, DC distributed clock, 24 Vdc (20.4–28.8 Vdc), DIN-rail IP40.
Who it is for
- Machine builders with multi-axis servo systems — Split one EtherCAT line from the master into 5 branches, for example one branch per machine module or axis group, while DC distributed clock keeps the drives synchronised.
- Production-line and factory automation integrators — A star layout means one stopped or unplugged station on a branch does not have to be cabled through the others; modules can be cascaded to reach more stations from one master.
- Panel builders — 53.2 mm wide on DIN rail, 24 Vdc from the same supply as the PLC and I/O, about 160mA consumption, with overload and reverse-polarity protection.
- Packaging, logistics and test-bench equipment — Machines with optional modules that are added or removed: each module can sit on its own output port (Port2–Port6) instead of in the middle of a long daisy chain.
Where and how to install
- Cabinet and DIN rail — Clip it on the DIN rail in the control cabinet near the EtherCAT master or at the point where the machine splits into sections (wall mounting is optional). The housing is IP40, so inside a closed cabinet only, away from coolant and dust.
- Port direction — Port1 is the EtherCAT input and must face the master or the upstream slave; Port2–Port6 go to downstream slaves. Label the cables with the port number so the physical wiring matches the topology configured in the master.
- Cable — Use shielded S-FTP Cat5e, AWG26, 4 twisted pairs, with each run ≤100m. Flexible cable is specified, so it suits drag chains and moving parts; ground the shield at the cabinet entry.
- 24 V power — Feed 24 Vdc within 20.4–28.8 Vdc to the power terminal and check the green PWR LED. At about 160mA the module adds roughly 3.8 W to the 24 V supply. Use a separate fused branch so a short on field devices does not drop the network.
- Temperature and EMC — The standard unit runs at -10 ~ +55°C with 5–95% humidity non-condensing; ask for the -40 ~ +75°C wide-temperature build for unheated or outdoor cabinets. Keep EtherCAT cables apart from servo motor and VFD output cables even though ESD, EFT and surge immunity are rated Level 3.
Link planning for one ZJEC100-6T
One module turns one EtherCAT line into 5 branches. Each branch can be up to 100 m of Cat5e; to go farther or add more branches, cascade another module on one of the outputs.
| ZJEC100-6T-DLC | |
|---|---|
| EtherCAT ports | 1 input (Port1) + 5 output (Port2–Port6) |
| Speed / duplex | 100 Mbit/s (100Base-TX), full duplex, Auto MDI/MDIX |
| Topology / sync | Star, cascading supported · DC (Distributed Clock) |
| Cable per run | S-FTP Cat5e, AWG26, 4 pairs, ≤100m |
| Power input | 24 Vdc (20.4–28.8 Vdc) |
| Consumption | ≈160mA (≈3.8 W at 24 V) |
| Operating temperature | -10 ~ +55°C (wide temp -40 ~ +75°C) |
| Humidity | 5–95% non-condensing |
| Housing / mounting / size | IP40 metal · DIN-rail (wall optional) · 53.2 × 100 × 93.5 mm |
| EMS immunity | ESD, RS, EFT, Surge, CS: Level 3 |
- Pick one output port per machine section or axis group, and keep a spare output for later options.
- Pick a cascaded second module when a branch is longer than 100 m or you need more than 5 branches.
Values from the ZJEC100-6T manufacturer datasheet; the watt figure is 24 V × 160mA.
EtherCAT Branch Module FAQ — ZJEC100-6T
What does the ZJEC100-6T do in an EtherCAT network?
It is a branch module: Port1 is the EtherCAT input from the upstream master, and Ports 2–6 are five EtherCAT outputs to downstream slaves. That turns a line layout into a star topology for multi-axis machinery and production lines, running at 100 Mbit/s full duplex.
Can I cascade several modules to grow the network?
Yes — branch cascading is supported, so additional ZJEC100-6T modules can hang off an output port to extend the star across a larger machine layout. Each segment uses standard Cat5e cable up to 100 m, with automatic MDI/MDIX cable detection on every port.
Does it support EtherCAT distributed clock synchronization?
Yes. The module runs the EtherCAT industrial real-time fieldbus protocol with DC (Distributed Clock) synchronization at up to 100 Mbit/s full duplex, keeping servo axes and I/O aligned across all five output branches. Cabling is S-FTP Cat5e, AWG26, four twisted pairs.
How is the ZJEC100-6T powered and mounted?
It takes 24 Vdc (20.4–28.8 V range) at roughly 160 mA through a power input terminal, with reverse-polarity and overload protection. The IP40 metal housing, 53.2 x 100 x 93.5 mm, clips onto a DIN-rail by default; wall-mount is optional. The PWR LED lights green when powered.
What temperature range and reliability can I expect?
Standard operation covers -10 to +55 degC, with an optional wide-temperature version for -40 to +75 degC, at 5–95% non-condensing humidity. EMC certification is CE/FCC with EN61000-4 series Level 3 immunity; MTBF is rated 320,000 hours and the warranty runs 5 years.
Can I plug a PC, HMI or IP camera into an output port of the ZJEC100-6T?
No. It is not an Ethernet switch: it has no MAC address table, VLAN or IP routing and only distributes the EtherCAT real-time bus. Connect only EtherCAT slaves to Port2–Port6. For standard Ethernet devices, use a separate industrial switch such as one of our ZJIES1000D DIN-rail models.
Will the ZJEC100-6T work with my EtherCAT master, and do I need an ESI file for it?
It uses the standard EtherCAT real-time fieldbus protocol at 100 Mbit/s, but the page does not list tested master brands or whether an ESI file is supplied. Send us your master and software model before ordering and we will confirm. With any branch module, make the topology in the master's configuration match the physical wiring port by port.
How far can each branch of the ZJEC100-6T run, and what cable should I use?
Each run is limited to ≤100m, the same as any 100Base-TX copper link. The datasheet calls for flexible S-FTP Cat5e, AWG26, 4 twisted pairs, to EIA/TIA568A, EN50173 and ISO/IEC11801. If a machine section is farther away, put a cascaded module or the next EtherCAT slave within 100 m and continue from there.
Is the ZJEC100-6T safe to install next to servo drives and VFDs?
Yes, it is designed for that environment: ESD, radiated RS, EFT, surge and conducted CS immunity are all rated Level 3 (EN61000-4-2/-3/-4/-5/-6), and the metal housing is IP40. Good practice still applies: shielded S-FTP cable with the shield grounded, and EtherCAT cables routed apart from motor power cables.
How much 24 V supply capacity should I reserve for the ZJEC100-6T?
Very little: consumption is about 160mA, roughly 3.8 W at 24 V, so three cascaded modules draw under 0.5 A in total. The input accepts 20.4–28.8 Vdc and has overload and reverse-polarity protection. The module does not power the slaves; each EtherCAT device needs its own supply.
What power connector does the ZJEC100-6T have, and do I need to confirm it before ordering?
Yes, please confirm the power connector with us before ordering. For Zhongxin Shutong products the power input type and connector can differ between versions and batches, so tell us your supply (AC or DC and the voltage), how you will wire it in the cabinet and your country's plug standard, and we confirm the exact connector and supply version of the ZJEC100-6T for your order.
Ordering questions — samples, shipping, payment, lead time and genuine stock — are answered once on our FAQ page.
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