9287500991 Rev K DECS-100 General Information 1-3
Accessory Input
Voltage Range: –3 Vdc to +3 Vdc
Setpoint Range: –30% to +30% shift
Burden: 1 kΩ
Terminals: A, B
Communication Port
Interface: Full duplex RS-232
Connection: Rear panel DB-9 connector
Baud: 4800
Data Bits: 8
Parity: None
Stop Bit: 1
Contact Input Circuits
Type: Dry contacts
Interrogation Voltage: 13 Vdc (supplied by DECS-100)
Raise: 6U, 7
Terminal Assignments for Standard Functions
Lower: 6D, 7
Var/PF Enable: 52J, 52K
Parallel Control: 52L, 52M
Voltage Matching: VM, VMC
Common Alarm Output
Type: Form A
Rated Load: 7 Aac/Adc continuous
Make: 30 Aac/Adc, carry for 0.2 sec
Break: 7 Aac/0.1 Adc
Operating Voltage: 240 Vac/250 Vdc maximum
Terminals: AL1, AL2
Field Output
Continuous Rating: 63 Vdc, 7 Adc
Field Resistance: 9 Ω minimum
Terminals: F+, F–
200 Vac Power Input: 135 Vdc, 15 Adc
10 Second Forcing Rating
110 Vac Power Input: 90 Vdc, 10 Adc (9Ω field)
75 Vdc, 15 Adc (5Ω field)
AVR Operating Mode
Adjustment Range: See
Generator Voltage Sensing
Voltage Regulation: ±0.25% over load range at rated power factor and constant generator
frequency.
±0.5% with 3-phase sensing and shunt power at 40% THD of the voltage
waveform (due to a six SCR load).
Temperature Drift: ±0.5% for a 40°C change
V/Hz Characteristic: Slope from 0 to 3PU is adjustable in 0.01PU increments. Transition
(Corner) frequency is adjustable from 40 to 65 Hz. See Figure 1-2 for the
V/Hz curves.
Response Time: Within 1 cycle
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