12
Data transmission
Transmission mode
Fibre optic serial bus
Data code
ASCII
Selectable data transfer rates
4800 or 9600 Bd
Fibre optic bus connection module
for supply from host relay
- for plastic core cables
SPA-ZC 21 BB
- for glass fibre cables
SPA-ZC 21 MM
Fibre optic bus connection module for
supply from separate power source
- for plastic core cables
SPA-ZC 17 BB
- for glass fibre cables
SPA-ZC 17 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
µ
s, 0.5 J
Insulation resistance measurement IEC 60255-5
>100 M
Ω
, 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
Mechanical tests (tested with SPAJ 140 C)
Seismic tests acc. to ANSI/IEEE C37.98-1987
- operating basis earth-quake tests (OBE)
0.5…5.25 g
- safe shut-down earth-quake tests (SSE)
0.5…7.5 g
Vibration test
2…13.2 Hz,
±
1.0 mm
13.2…100 Hz,
±
0.7 g
Shock/bump test acc. to IEC 60255-21-2
20 g, 1000 bumps/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.
