Appendix
8-2
L
_^ONMObk
8.1.3 Accessories for RS485 (LECOM-B)
In the following you will find the accessory components for RS485 (LECOM-B):
Name Order no. Explanation
Interface converter 2101IB 33.2101IB Level converter between RS232 and RS485/RS422 with electrical isolation
PC system cable 5 m EW00338094 System cable between PC (9-pole female connector) and 2101IB inte rface converter
Specification for RS485-interface cable
withalengthofupto300m:
Cable type LIYCY1x2x0.5mm
2
shielded
Cable resistance ≤ 40 Ω/km
Capacitance per unit length ≤ 130 nF/km
Length ≤ 300 m
with a length of up t o 1200 m:
Cable type CYPIMF1x2x0.5mm
2
shielded
Cable resistance ≤ 40 Ω/km
Capacitance per unit length ≤ 60 nF/km
Length ≤ 1200 m
8.1.4 Accessories for optical fibres (LECOM-LI)
In the following you will find the accessory components for optical fibres (LECOM-LI):
Name Order no. Explanation
2125 33.2125IB Optical fibre/RS232 converter for hosts
normal transmission rate (0 to 40m)
2126 33.2126IB Optical fibre/RS232 converter for hosts
high transmission rate (10 to 66m)
Plug-in power supply unit EJ0362016 Plug-in power supply unit 220V/9V DC for 2125 and 2126
Operating Instructions LECOM-LI EDLECOM-LI/D Basics and installation of LECOM-LI
Optical fibre 1ADR with PE sheath EW00359679 (by the meter) Optical-fibre cable with black PE sheath (standard protection)
Optical fibre 1ADR with PUR sheath EW00359681 (by the me t e r) Optical-fibre cable with red PUR sheath (reinforced protection)
Specification for optical fibre cables
Field Values
Min. bending radius 30 mm
Max. tensile force 100 N
Electric strength 110 kV/m
Operating temperature −40 to +80 °C
Wave length 660 nm
Damping 100 to 400 dB/km
Cable length between two participants (cable
damping = 150dB/km)
0to40m(normaltransmissionrate)
10 to 66 m (high transmission rate)
Fibre core
Material/diameter
Polymethylmethacrylat (PMMA) / 976 µm
Fibre sheath
Material/diameter
Flurorpolymer / 1000 µm
Outer sheath
Material/diameter
Thermoplast polyester (PE) / 2.2 mm
Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com