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General cabling requirements

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Notice

Data cables must be separated from live power supply cables by means of a metal cable support system in accordance with DIN EN 50174-2: 2018-10.

Shielding

The cable shielding may only be grounded at one end of the connection.

The table below lists recommended cable types for wiring the individual system components as well as restrictions.

Type

Product designation

Item number

Max. permissible length

Bus cabling (devices)

  • Recommended: Data cable (twisted and shielded)

  • Data cable RS485

UNITRONIC Li2YCYv (TP) data cable 2x2x0.50 mm² 1) 2)

200.116

 

 

 

1200 m 2)

UNITRONIC Li2YCYv (TP) data cable 3x2x0.50 mm² 1)

200.117

UNITRONIC Li2YCYv (TP) data cable 4x2x0.50 mm² 1)

200.118

Analog signals (irradiance sensor, temperature sensor)

  • Sensor cable

  • Voltage signal 0 V – 10 V

 

UNITRONIC Li2YCYv (TP) data cable 2x2x0.50 mm² 1)

200.116

 

 

 

100 m

UNITRONIC Li2YCYv (TP) data cable 3x2x0.50 mm² 1)

200.117

UNITRONIC Li2YCYv (TP) data cable 4x2x0.50 mm² 1)

200.118

Digital signals (status messages, remote control systems)

  • Sensor cable

  • Current signal 4 mA – 20 mA

UNITRONIC Li2YCYv (TP) data cable 2x2x0.50 mm² 1)

200.116

 

 

 

600 m 3)

UNITRONIC Li2YCYv (TP) data cable 3x2x0.50 mm² 1)

200.117

UNITRONIC Li2YCYv (TP) data cable 4x2x0.50 mm² 1)

200.118

Temperature sensor (PT 1000)

Meter with S0 (digital pulse) signal

UNITRONIC Li2YCYv (TP) data cable

2x2x0.50 mm² 1)

200.116

30 m

Ethernet network

  • Network (shielded)

At least CAT 5/6 S/FTP

 n/a

100 m 2)

1) This cable is suitable for laying in the ground in a conduit. Repeaters must be used for longer cable lengths.

2) A hub is required if multiple separate cables of this length are used.

3) A power supply of 24 V DC is required.