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Data transmission
Transmission mode Fibre optic serial bus
Data code ASCII
Selectable data transfer rates 4800 or 9600 Bd
Fibre optic bus connection modules
with integral power unit
- for plastic core cables SPA-ZC 17 BB
- for glass fibre cables SPA-ZC 17 MM
Fibre optic bus connection modules
which are powered from the host relay
- for plastic core cables SPA-ZC 21 BB
- for glass fibre cables SPA-ZC 21 MM
Insulation Tests *)
Dielectric test IEC 60255-5 2 kV, 50 Hz, 1 min
Impulse voltage test IEC 60255-5 5 kV, 1.2/50 µs, 0.5 J
Insulation resistance measurement IEC 60255-5 >100 MΩ, 500 Vdc
Electromagnetic Compatibility Tests *)
High-frequency (1 MHz) burst disturbance test
IEC 60255-22-1
- common mode 2.5 kV
- differential mode 1.0 kV
Electrostatic discharge test IEC 60255-22-2 and
IEC 61000-4-2
- contact discharge 6 kV
- air discharge 8 kV
Fast transient disturbance test IEC 60255-22-4
and IEC 61000-4-4
- power supply 4 kV
- I/O ports 2 kV
Environmental conditions
Specified ambient service temperature range -10...+55°C
Long term damp heat withstand according
to IEC 60068-2-3 < 95 % at 40°C for 56 d
Transport and storage temperature range -40...+70°C
Degree of protection by enclosure of the relay case
as per IEC 60529 when panel mounted IP 54
Mass of the relay, when flush mounted 3.5 kg
*) The tests do not apply to the serial port, which is used exclusively for the bus connection module.
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