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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 for
powering from external power source
- for plastic core cables SPA-ZC 17 BB
- for glass fibre cables SPA-ZC 17 MM
Fibre optic bus connection modules for
powering from 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
Spike test, class III (KEMA) 1 kV, 0.15/50 µs
Magnetic field test acc. to IEC 60521 400 A/m
Power supply tests
Power supply variation
Variation voltage 68…265 V
Interruption 80 V - 50% 0…200 ms
Interruption 80 V - 100% 0…30 ms
Interruption 255 V - 100% 0…160 ms
Mechanical tests
Vibration tests IEC 60255-21-1, class 2
Shock and Bump tests IEC 60255-21-2, class 2
Seismic tests ANS/IEEE C37.98-1987
- 3.0 g in the horizontal direction
- 3.0 g in the vertical direction
Environmental conditions
Corrosion test Battelle-test
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
Protection by enclosure according to IEC 60529,
when the relay is panel mounted IP 54
Mass of the relay including flush mounting relay case ~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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