14
Data communication
Transmission mode
Fibre-optic serial bus
Coding
ASCII
Data transfer rate, selectable
4800 Bd or 9600 Bd
Electrical/optical bus connection module
powered from the host relay
- for plastic core cables
SPA-ZC 21BB
- for glass fibre cables
SPA-ZC 21 MM
Electrical/optical bus connection module
powered from the host relay or from an
external power source
- for plastic core cables
SPA-ZC 17BB
- for glass fibre cables
SPA-ZC 17 MM
Test voltages *)
Dielectric test voltage (IEC 255-5)
2 kV, 50 Hz, 1 min
Impulse test voltage (IEC 255-5)
5 kV, 1.2/50
µ
s, 0.5 J
Insulation resistance (IEC 255-5)
>100 M
Ω
, 500 V dc
Disturbance tests *)
High-frequency (1 MHz) disturbance test
(IEC 255-22-1)
- common mode
2.5 kV
- differential mode
1.0 kV
Electrostatic discharge test (IEC 255-22-2
and IEC 801-2), class III
- air discharge
8 kV
- contact discharge
6 kV
Fast (5/50 ns) transients
- IEC 255-22-4, class III
- IEC 801-4, level IV
- power supply inputs
4 kV
- other inputs
2 kV
Mechanical environmental test
Vibration test (IEC 255-21-1)
class 1
Chock/bump test (IEC 255-21-2)
class 1
Environmental conditions
Service temperature range
-10...+55
°
C
Transport and storage temperature range
(IEC 68-2-8)
-40...+70
°
C
Temperature influence
0.2%/
°
C
Damp heat test (IEC 68-2-30)
93...95%, +55
°
C, 6 cycles
Degree of protection by enclosure of
flush mounting relay case (IEC 529)
IP 54
Weight of fully equipped relay
6 kg
*) The insulation and disturbance tests do not apply to the serial port, which is used for the bus
connection module only.
Summary of Contents for SPAA 341 C /E351
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