1 power supply requirements, 2 terminal specification, 3 generator voltage / frequency sensing – Winco DSE3000 Series User Manual
Page 7
DSE Model 3000 Series Control & Instrumentation System Operators Manual
Part No. 057-086 3000 Series OPERATING MANUAL ISSUE 4 03/12/2009 ADM
7
3.1 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
30mA at 24V
35mA at 12V
Nominal standby current
23mA at 24V
18mA at 12V
Maximum Power Save mode current*
3.5mA at 24V
3.5mA at 12V
NOTE:- * Power Save mode is a configurable item. If enabled, the module switches to Power Save
mode when in STOP mode for more than 1 minute (60 seconds)
Plant supply instrumentation display
Range
0V-60V DC (note Maximum continuous operating voltage of 35V DC)
Resolution
0.1V
Accuracy
1% full scale
3.2 TERMINAL SPECIFICATION
Connection type
Screw terminal, rising clamp, no internal spring
Min cable size
0.5mm² (AWG 24)
Max cable size
2.5mm² (AWG 10)
3.3 GENERATOR VOLTAGE / FREQUENCY SENSING
Measurement type
True RMS conversion
Sample Rate
5KHz or better
Harmonics
Up to 11
th
or better
Input Impedance
300K
Ω
ph-N
Phase to Neutral
15V to 333V AC (max)
Phase to Phase
25V to 576V AC (max)
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