PHOENIX CONTACT NEARFI D ETH B Electrically Skilled Persons Installation Guide

**PHOENIX CONTACT NEARFI D ETH B Electrically Skilled Persons Installation Guide

**

Inductive coupler

For safe and proper use, follow these instructions. Keep them for future reference.
For additional information, please refer to the corresponding data sheet at phoenixcontact.net/products.

Safety notes

• Installation, operation, and maintenance may only be carried out by qualified electricians. Follow the installation instructions as described.
• When installing and operating the device, observe the applicable regulations and safety directives (including national safety directives), as well as the generally recognized technical regulations.
• Observe the safety information, conditions, and limits of use specified in the product documentation. Comply with them.
• Assembly and electrical installation must correspond to the state of the art.
• The device must not be opened or modified apart from the configuration of the DIP switches. Do not repair the device yourself; replace it with an equivalent device. Repairs may only be carried out by the manufacturer. The manufacturer is not liable for damage resulting from non-compliance.

Installation

• The device is designed exclusively for operation with SELV/PELV from a Class ES1 “electricalenergy source” in accordance with EN/IEC 62368-1 and VDE 0868-1. The device may only be connected to devices that meet the requirements of class ES1 in accordance with EN/IEC 62368-1.
• Make sure that the wiring on the primary side and the secondary side is adequately dimensioned.
• Observe the voltage drop across the cable. In the event of undervoltage, the devices can no longer function.
• The connection parameters, such as the required stripping lengths for the wiring, can be found in the installation information for the respective field-side circular connector.
• The parallel connection of multiple remote couplers is not permitted.

Installation location

CAUTION: Hot surface
The device housing can become hot.
The device may remain hot even after disconnecting the supply voltage.

• Ensure sufficient touch protection.
• Prevent inadvertent contact by using a mechanical barrier or clearly visible warning signs.
• Select the installation location so that metallic objects cannot enter the air gap between the base and the remote.
• The die-cast housing and the device-side circular connectors satisfy the requirements of degree of protection IP65.
• Put protective caps on unused connection sockets to ensure an IP65 degree of protection.
• Design the installation location such that the heat loss can be dissipated. Mount the die-cast housing on a metal plate, heatsink, or similar heat-dissipating material.

WARNING: Electromagnetic fields
During mounting and operation, electromagnetic fields are generated around the device.

• Maintain a distance of at least 300 mm from the devices

At a clearance of 300 mm, the thresholds for electrical and magnetic field strengths are satisfied. Based on the EU Council Recommendation 1999/519/EC, this clearance is, in accordance with EN 62311, the base threshold value or reference value for the safety of persons in electromagnetic fields. For persons with active medical aids (such as pacemakers), further (operational) threshold values may apply under certain circumstances.

Short description (1)

The NEARFI-D couplers transmit real-time Ethernet data at a rate of 100 Mbps contact-free over an air gap in the centimeter range.
Ethernet transmission is bidirectional between the base and the remote.

1. Die-cast housing
2. LED ring
3. ETH LINK
4. Upper housing part (antennas centered in the middle behind the logo)
5. Mounting option with inside thread (2x M6, depth = 7 mm)
6. Bottom of the housing: DIP switch, QR code, additional mounting options with inside thread (4x M6, depth = 7 mm)
7. Mounting flange with mounting holes (Ø = 5.5 mm)
8. M12 circular connectors for supply voltage
9. Functional ground connection with inside thread (1x M4, depth = 5 mm)
10. M12 circular connectors for Ethernet

ETH LINK

LED ring

Setting DIP switches (4, 5)

CAUTION: Electric shock
Make sure that the device is disconnected from the power supply before opening the screw plug. Only select the mode of operation when the power is disconnected! The change is activated after renewed power up.

NOTE: Electrostatic discharge
Electrostatic discharge can damage or destroy components.

• When handling the device, observe the necessary safety precautions against electrostatic discharge (ESD) in accordance with EN 61340-5-1 and IEC 61340-5-1.
• Ensure that the surroundings are clean so that foreign bodies cannot penetrate into the device.
• Open the M16 locking screw using a bladed screwdriver.
• Use the DIP switches to set the operating mode (refer to the table, further information can be found in the data sheet).
• Tighten the locking screw using a bladed screwdriver with 1 Nm

Mounting and removing (6- 8)

Maintain a minimum distance of 5 mm between the two opposing base and remote couplers.

NOTE: device damage

• Only mount and remove devices when the power supply is disconnected.
• Mount the device on a flat, load-bearing surface or profile.
• Use standard M5 or M6 screws (ISO 4762 or multi-tooth screws) and spring washers. Observe the maximum torque of the screws.

Mounting with two M5 screws

• Mark the drill holes on the mounting surface and drill the holes. (6)
• Drill the holes with the specified diameter.
• Fix the die-cast housing in place using screws and spring washers. (7)
  

Mounting option with four screws (8)

Inside thread, thread depth = 7 mm, tightening torque 0.7 Nm

Connection of the cables

Power supply (10)

The power supply connecting cable may be a maximum of 3 meters long

M12 male, A-coded
1| +19 V DC … 30 V DC| Brown
2| Not used| White
3| GND| Blue
4| Not used| Black
5| Not used| Green/yellow or gray

Data transmission (11)

• Only use shielded twisted pair cables and corresponding shielded M12 connectors.

M12 female, D-coded
1| Send| TX+| White/Orange
2| Receiving| RX+| White/Green
3| Send| TX-| Orange
4| Receiving| RX-| Green

Circular connector (9)

• Plug the field-side circular connectors fully onto the connections on the device.
• To affix the plug, tighten the union nut hand-tight.
• Ensure the connection cable has sufficient strain relief in accordance with the conductor cross-section.

Functional grounding (12)

There are various ways to ground the device:

• Via the mounting screws at bottom, with toothed lock washer (1)
• Via the mounting screws at top (2)
• Via the grounding connection with an M4 screw and toothed lock washer (3) Inside thread, thread depth = 5 mm, tightening torque 0.6 Nm

Disposal

The symbol with the crossed-out trash can indicates that this item must be collected and disposed of separately. Phoenix Contact or our service partners will take the item back for free disposal. For information on the available disposal options, visit www.phoenixcontact.com.

References

• Phoenix Contact Australia
• phoenixcontact.net/products
• Phoenix Contact USA
• NEARFI D ETH B - Inductive coupler - 1234232 | Phoenix Contact

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