Power Output Module (POM)

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设计

功能

技术规范

设计

• Module (encapsulated) in a metal enclosure.

• There are 6 versions:

• POM4320 busbar mounting (IEC): a current of up to 16 A canbe used per output

• POM4320 busbar mounting (UL): a current of up to 15 A canbe used per output

• POM4320 rear panel mounting (IEC): a current of up to 16 Acan be used per output

• POM4320 rear panel mounting (UL): a current of up to 15 Acan be used per output

• POM4320 Highend busbar mounting: a current of up to 60 Acan be used per output

• POM4320 Highend rear panel mounting: a current of up to60 A can be used per output

• Heat dissipation by fan fitted to top of module.

• Internal serial interface.

• Three diagnostics LEDs for displaying module faults.

• POM4320: 9 diagnostics LEDs for displaying output errors.

• POM4320 Highend: 6 diagnostics LEDs for displaying outputerrors.

功能

• Power triacs:

• Protection of triacs and opto-triacs against overvoltages byTransil diodes

• Transfer of the diagnostics information to the higher-levelcontrol system

• Half-wave control:
  This is the control method used in normal operation. At every zerocrossover, the output is controlled depending on the parameterizedsetpoint value. The control variable is set to values between 0 and.

• Soft start:
  Phase control is executed for a limited time in order to achieve agradual warming of the emitters. Switches to half-wave control whenthe time has expired. The control variable is set to values between0 and .

• Phase control:
  Phase control is executed permanently in order to achieve even heatdissipation and avoid disruptive emitter flickering with lowsetpoints. Phase control can sometimes cause EMC interference onthe power supply lines which then has to be filtered on the systemside.

• 9 power outputs of 400 V/480 V each (3 outputs perphase)

• Switching capacity per output:

• POM4320 IEC busbar mounting and rear panel mounting: max.6 400 W at 400 V or 7 680 W at 480 V

• POM4320 UL busbar mounting and rear panel mounting: max. 6 000 Wat 400 V or 7 200 W at 480 V

• Switching capacity per POM:

• POM4320 IEC busbar mounting and rear panel mounting: max. 57 600W at 400 V or 69 120 W at 480 V

• POM4320 UL busbar mounting and rear panel mounting: max. 54 000W at 400 V or 64 800 W at 480 V

• Notice: Short-wave halogen or infrared emitters, so-calledflash emitters, often have a high switch-on current due to theirrelatively low cold resistance. This switch-on current can be amultiple of the rated current especially during the initialhalf-waves. This can lead to the fuse being triggered. There is aswitching power limit of 4 000 W when using flashemitters.

• 6 power outputs of 230 V/277 V and 400 V/480 V each (2 outputsper phase)

• POM4320 Highend busbar mounting and rear panel mounting:
  - max. 7360 W at 230 V or 8864 W at 277 V
  - max. 12 800 W at 400 V or 15 360 W at 480 V

• Switching capacity per POM:
  - max. 44 160 W 230 V or 53 184 W at 277 V
  - max. 76 800 W at 400 V or 92 160 W at 480 V

• 3 power outputs with 2 outputs in parallel connection (each 1outlet per phase)

• POM4320 Highend busbar mounting and rear panel mounting:
  - max. 13 800 W at 230 V or 16 620 W at 277 V
  - max. 24 000 W at 400 V or 28 800 W at 480 V

• Switching capacity per POM:
  - max. 44 160 W 230 V or 53 184 W at 277 V
  - max. 76 800 W at 400 V or 92 100 W at 480 V

• Notice: Short-wave halogen or infrared emitters, so-calledflash emitters, often have a high switch-on current due to theirrelatively low cold resistance. This switch-on current can be amultiple of the rated current especially during the initialhalf-waves. This can lead to the fuse being triggered. There is alimit to a switching capacity of 6000 W when using flashemitters at 400 V.

• A fan for heat dissipation is mounted on the top. The fan isreplaceable.

• There is an NTC thermistor in the device for monitoring theinternal temperature. This temperature-dependent resistor switchesoff the module power outputs when a certain internal temperature isreached.

• POM4320 IEC busbar mounting and rear panel mounting: Two 16 Afuses are available for each power output in a fuse module that canbe accessed from the front to protect the power triacs.

• POM4320 UL busbar mounting and rear panel mounting: Two 15 Afuses are available for each power output in a fuse module that canbe accessed from the front to protect the power triacs.

• POM4320 Highend busbar mounting and rear panel mounting: One 32A fuse is available for each power output in a fuse module that canbe accessed from the front to protect the power triacs. Dependingon the interconnection of the individual heating elements, thereturn line of the heating element can optionally be plugged intothe available fuse holders of the fuse module.

Diagnostics functions are provided to detect the followingfaults as standard:

• Implicit diagnostics means that the heating power is notinfluenced by the diagnostics themselves

• Outgoing fuse is defective / triac at high resistance(exception: setpoint value 0%)

• Incoming line fuse is defective

• Triac has failed (exception: setpoint value )

• Connecting cable defective (short-circuit and interruption) orload is defective (short-circuit and interruption)

• Monitoring of supply voltage

• Additionally for POM4320 Highend:
  Connecting cable defective (short-circuit and interruption) or loadis defective (short-circuit and interruption) with emittersconnected in parallel and residual current too high.

• Internal compensation is carried out to compensate line voltagefluctuations

• The function runs on the HCS master; it can be switched on andoff by the user

• The measured voltage values from each POM are available to theHCS master