2. Important Safety Information
2-4 Safety information
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<System configuration diagrams>
Display
Gas detector (SD-3)
Hazardous area
(Zone 1)
Non-hazardous
area
Installation diagram
Signal cable
POW(+)
COM(−)
Sig(+)
Sig(−)
POW(+)
COM(−)
Sig(+)
Sig(−)
RLY
RLY
Display
Gas detector (SD-3)
Hazardous area
(Zone 1)
Non-hazardous
area
Installation diagram
Signal cable
POW(+)
COM(−)
Sig(+)
Sig(−)
POW(+)
COM(−)
Sig(+)
Sig(−)
Signal cable
Содержание GD-3EC
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