Woodward 2301E-ST, Инструкция по установке и эксплуатации

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Manual 26694 2301E-ST
Woodward 19
Figure 2-3. Installation of Wiring into Terminal
LED System Status Indicators
The LED located between terminals 30 and 31 is a two colored LED. The following provides the functions
of the LED status:

LED Off = Power Off

LED Green = System On

LED Solid Red = I/O Lock

LED Flashing Red = Fault (This indicates a major problem and should be returned to Woodward for
service).
Power Supply Connections (Terminals 48-49)
The 2301E-ST requires a voltage source of 18 to 40 Vdc, with a current capacity of at least 900 mA for
operating power. If a battery is used for operating power, an alternator or other battery charging device is
necessary to maintain a stable supply voltage.
Connect 18–40 Vdc input power to terminals 48(+) and 49(–).
The 18–40 Vdc input power must be supplied from a power
supply/battery charger certified to IEC standard with SELV (Safety
Extra Low Voltage) classified output. The installer should properly
size wiring and fusing for the input power and PT/CT circuits.
Potential Transformer Connections (Terminals 1-3)
The control’s potential transformer inputs accept line-to-line voltages of 90 to 240 Vac. Refer to plant
wiring diagram Figure 2-2. Connect the potential transformer secondary leads to the following terminals:
Phase A to Terminal 1
Phase B to Terminal 2
Phase C to Terminal 3
Current Transformer Connections (Terminals 4-9)
The control’s current transformer inputs accept a current range of 0 to 7.2 A. Refer to plant wiring diagram
Figure 2-2. Connect the current transformer leads to the following terminals:
Phase A to Terminals 4 & 5
Phase B to Terminals 6 & 7
Phase C to Terminals 8 & 9
Real Power Load Calculation
The control uses the equation Power = √ 3 * V * I * P.F. where V = Voltage,
I = current, and P.F. = Power Factor. In the 2300E, the PT Voltage part of the equation is deemed to be
constant. Therefore if the Voltage on the system changes, the calculated Power will change a small
amount.
Released