Parameterization and Commissioning
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914660330020
2017-11-24·HB00·III·en·00
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Frequency Transmitter
Field Circuit Ex i
Series 9146
8.3.3 Connection of Contacts
Circuitry for line fault detection if the contacts at the input are de-energized:
8.3.4 Connection of Supply
9
Parameterization and Commissioning
Before commissioning, ensure the following:
• Installation of the device according to regulations.
• Correct connection of the cables.
• No damage at the device and connection cables.
• Tight seat of the screws at the terminals.
Correct tightening torque: 0.5 to 0.6 Nm.
9.1
Replacement of the Device
• If replacing by a device with identical design, readjust the DIP switch, if necessary.
Schematic
15529E
Short-circuit detection:
1 k Ω in series
Open-circuit detection:
10 k Ω parallel
Carry out circuitry for line fault detection in the immediate proximity of the
contacts.
Type of supply
Connection
Direct supply of the device via 24 V connection
Green terminals "7+" and "9-"
Supply via pac-Bus
pac-Bus terminals "1+" and "2-"
DANGER
Explosion hazard due to incorrect installation!
Non-compliance results in severe or fatal injuries.
• Check the device for proper installation before commissioning.
• Comply with national regulations.
1 k
10 k
