ABB EBN853 - 3 Design and Function

Design and function
12 EBN853, EBN861 (Contrac) 42/68-830-EN
Pos: 8.1 /Überschri ften/1/A - C/Auf bau und Funktion @ 0\mod_112979762073 3_3101.doc @ 3140
3 Design and function
Pos: 8.2 /Aufbau und Funkti on/Aktorik/Leis tungselektroniken/ Allgemein/Ex-Ko nzept Grafik @ 13\mod_11918 47969015_3101.doc @ 128138
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Process Control System
/ Controller
mains
115 V AC / 230 V AC
Motor Temperature
Monitoring Unit
(e.g., SD241B)
Contrac power
electronic unit
Contrac actuator
in explosion-proof design
M00190
non Ex
Ex
Motor
with temperature sensor
brake
Motor/brake line
(shielded)
Sensor line (shielded)
Signal line from / to control
system / controller (shielded)
Motor connection area
Sensor connection area
(anti-condensation heater, optional)
Sensor electronic unit
Actuator sensor
Gearing
Temperature sensor line
Fig. 4: Ex design
Pos: 8.3 /Überschri ften/1.1/1-spalti g/A - C/Baugruppen @ 13\mod_11 91919723796_3101. doc @ 128776