SICK FLOWSIC500 Instrucciones De Servicio página 145

Anexo
Fig. 74 Funcionamiento con alimentación de tensión externa (intrínsecamente segura)
FLOWSIC500 externally powered (IS) and connected to electronic volume corrector,
L N PE
M12connector
B-coded
1 - power supply
2 + power supply
3 - DO 1 (passive)
4 + DO 1 (passive)
FLOWSIC500 · Instrucciones de servicio · 8015394/13GE/V 3-3/2019-10 · © SICK Engineering GmbH
RS485 externally powered
Safe area
EVC
L intrinsically safe
[Ex ia]
data+
N
RS485
data-
intrinsically safe
L
power supply
U+
N
[Ex ia]
U-
intrinsically safe
L
power supply
U+
N
[Ex ia]
U-
2 1 2 1
3 4 3 4
M12 connector
A-coded
1 + power supply
2 + data (RS485 A)
3 - data (RS485 B)
4 - power supply
Hazardous area
FLOWSIC500
intrinsically safe
[Ex ia]
M12 connector A-coded
2 + data (RS485)
3 - data (RS485)
1 + power supply
4 - power supply
M12 connector B-coded
2 + power supply
1 - power supply
3 - DO 1 (passive)
4 + DO 1 (passive)
PE
For safety and entry parameters see
control drawing 9215965 for the USA and Canada
and control drawing 9215966 for the EU.
In the USA install in accordance with the NEC (ANSI/NFPA70),
in Canada install in accordance with CEC part 1,
in the EU install in accordance with EN 60079-14.
National regulations must be observed!
WARNING!
Incorrect cabling can cause the FLOWSIC500 to fail!
See Operating Instructions for further details!
PE
Attention!
RS485 must be powered externally!
For enviroments with relevant eletromagnetic disturbance
and long cables, shielded cables are recommend.
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