Phase Angle & Burst Firing Control Module - United Automation
Fully isolated device features an integral power circuit capable of controlling currents up to 1·5A.
Suitable for slave firing triacs or thyristor pairs
Phase-angle or Burst firing operating modes (hot selectable by 1 pin logic change)
Output inhibit, overheat shut down, soft-start and current limit
Accurate regulation of power to all loads
Capable of microcontroller control
Uncommitted op-amp can be used as an error amplifier or comparator for feedback
High voltage side
Supply voltage
150-300V @ 50Hz
Load current
1·5A (max)
Load range
10W (min), 300W (max)
Isolating voltage
5kV
Overheat shut down
90°C
Overheat reset
60°C
Operating temperature
-20°C to +60°C
Low voltage side
Supply voltage
5V
Supply current
30mA (max)
Control input range
0 to 1V or 0 to 5V
High logic (pins 4,5)
>3·6V
Low logic (pins 4,5)
Supply voltage rejection
≤0·5%/V
Temperature coefficient
≤0·25%/°C
Input (all pins)
Up to 2 x Vs (max)
The number of complete mains cycles during fixed repeating periods (typically 1 to 10 seconds) is varied, thus altering the duty cycle or on-/off-time ratio. Trigger pulses coincide with the zero-crossing times of the mains supply thus ensuring no RFI is produced when using resistive loads.
