DSE Model 8620 AMF Controller Operators Manual
10
3.2 TERMINAL SPECIFICATION
Connection type Two part connector.
• Male part fitted to module
• Female part supplied in
module packing case - Screw
terminal, rising clamp, no
internal spring.
Example showing cable entry and screw
terminals of a 10 way connector
Minimum cable size 0.5mm² (AWG 24)
Maximum cable size 2.5mm² (AWG 10)
NOTE: For purchasing additional connector plugs from DSE, please see the section entitled
Maintenance, Spares, Repair and Servicing elsewhere in this document.
3.3 POWER SUPPLY REQUIREMENTS
Minimum supply voltage 8V continuous
Cranking dropouts
Able to survive 0V for 50mS providing the supply was at least 10V before the
dropout and recovers to 5V afterwards.
Maximum supply voltage 35V continuous (60V protection)
Reverse polarity protection -35V continuous
Maximum operating current
300mA at 24V
600mA at 12V
Maximum standby current
190mA at 24V
390mA at 12V
Plant supply instrumentation display
Range 0V-70V DC (note Maximum continuous operating voltage of 35V DC)
Resolution 0.1V
Accuracy 1% full scale (±0.7V)
3.4 GENERATOR VOLTAGE / FREQUENCY SENSING
Measurement type True RMS conversion
Sample Rate 5KHz or better
Harmonics Up to 10
or better
Input Impedance 300K Ω ph-N
Phase to Neutral 15V
(minimum required for sensing frequency
)
to 333V AC
(absolute maximum)
Suitable for 110V to 277V nominal
(±20% for under/overvoltage detection)
Phase to Phase 26V
(minimum required for sensing frequency
)
to 576V AC
(absolute maximum)
Suitable for 190V ph-ph to 479V ph-ph nominal
(±20% for under/overvoltage detection)
Common mode offset from Earth 100V AC (max)
Resolution 1V AC phase to neutral
2V AC phase to phase
Accuracy ±1% of full scale phase to neutral
±2% of full scale phase to phase
Minimum frequency 3.5Hz
Maximum frequency 75.0Hz
Frequency resolution 0.1Hz
Frequency accuracy ±0.2Hz
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