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Product Overview:
Explosion-proof versions AC
Explosion-proof devices must be used in plants where potentially explosive atmospheres are likely to occur. These devices are designed so that they will not act as ignition source. Their constructive measures prevent the occurrence of ignition sparks or hot surfaces.
Certification is performed in close collaboration with national and international certification bodies.
With the ACExC a control with integral local controls is available for the multi-turn actuators SAEx/SAREx 07.2 - 16.2 and the part-turn actuators SQEx/SQREx 05.2 - 14.2.
Details:
o Design features
Modular interface concept for remote control
Local controls with lockable selector switch, push-buttons and indication lights
LCD display for status indication and programming support
Non-intrusive actuator setting and control programming
(in connection with magnetic limit and torque transmitter MWG)
Separate mounting on wall bracket possible
Motor control via reversing contactors or thyristors
Automatic phase correction
External 24 VDC supply (option)
o Ambient conditions
High enclosure protection
High quality corrosion protection
Wide ambient temperature ranges
o Interfaces and features
Control inputs with different voltages (DC/AC)
Potential-free signal relays for status indication
Analogue control (0/4-20 mA)
Programmable stepping mode (for running time extension)
Freely definable intermediate positions
Process controller (PID)
Fieldbus control (Profibus DP/DPV1, Modbus RTU, Foundation Fieldbus, DeviceNet, HART, Wireless)
Fieldbus interface also available as component redundancy
Behaviour in emergency situations and during loss of communication (programmable)
Limit and torque as analogue Signal
(in connection with magnetic limit and torque transmitter MWG)
Logging of operating data Bluetooth interface to Laptop or PDA (option)
Functional safety: Up to SIL 1 in selected configurations
o Interfaces
Electrical connection via AUMA plug/socket connector (optionally terminals)
Cable entries in different versions
FO connection for fieldbus Interfaces
o Approvals
ATEX (Europe)
Ex de IIC/IIB T4 or T3
Ex d IIC/IIB T4 or T3
IEC (international level)
Ex de IIC/IIB T4 or T3
Ex d IIC/IIB T4 or T3
FM (USA)
FM CLASS I DIV 1 GROUPS (B), C, D T4 (T3C)
FM CLASS II DIV 1 GROUPS E, F, G T4 (T3C)
FM CLASS III DIV 1 T4 (T3)
Russia - ROSTECHNADSOR/EAC (TR-CU)
1ExdeIICT4/T3
1ExdIICT4/T3
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