Modbus

Developed by Modicon, Modbus provides a master/slave communication between intelligent automation devices. Based on Belden 9841, the Modbus cable has an increased jacket thickness to ensure a correct termination into the Modbus connectors.

Technical Information

Voltage Rating:300V
Temperature
Rating:
-40°C to      +60°C
Nominal
Impedance:
120 Ohms
Capacitance
@ 1hz:
 
Core to core:42pF/m
Core to shield:75.5pF/m
Velocity of Propagation:66%
Colour Code:Blue/white & white/blue
Attenuation@kHz

1M
dB/100m

2.0

Construction

Tinned copper conductors 24(7)AWG, polyethylene insulation, cores twisted into a pair, overall polyester, aluminium foil screen & tinned copper wire braid – 90% optical coverage, PVC or Low Smoke Halogen Free sheath.

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Part No.Alt. to BeldenNo. of PairsAWGSheath MaterialSheath ColourWeight Kg/KmO/D mmScreen
Modbus Plus RS/EIA-485
2401POHPL+YM29560124(7)LSFGREY63.006.7CFS TCWB
2401POHPH+YM29560124(7)LSHFGREY63.006.7CFS TCWB