Franklin Grid INCON 1511 LTC
POAExcluding Tax
Description
Description
The Franklin Grid INCON® 1511-LTC provides basic LTC tap position monitoring using the LTC’s slide wire position feedback device. As the LTC changes taps, the moveable contact picks up the voltage divided through the resistors in the slide wire, so that each tap has its own specific voltage.
With over 40 years of proven service in over 33,000 utility transformers around the globe, the 1250-LTC does so much more than just monitor tap position. It is a vital tool that utilities use to predict transformer maintenance and prevent the failure of their LTC’s.
- Receives signal from a resistive drumswitch or “Slidewire” transmitter, 60 ohms min. total resistance
- Provides a more reliable reading of the transmitter through software filtering and higher 24V signal strength
- Optional RS-232 port
- Optional High/Low limit relays function as programmable drag-hand contacts
- Outputs interface to PLCs, SCADA RTUs and substation computers
| LTC MONITOR | 1250B | 1250-LTC | 1511-LTC |
| Applications | Transformer LTC Position, Hydro Dam Gate Position, Dam Head/Tail Water Level, Industrial Rotary Power | Transformer LTC Position, LTC Position Data Collection | Transformer LTC Position |
| Transducer Type | Synchro (1292) | Synchro (1292) | Resistance Switch (Slidewire) |
| Input Signal | 0-90 VAC, 50/60 Hz | 0-90 VAC, 50/60 Hz | 0-24 VDC |
Specification
Resolution (1250B & 1250-LTC)
± 0.001% of full scale or 6 arc minutes
Accuracy
+/-0.02% of full scale, maximum (0.01% typical)
Temperature Drift
+/-0.01% per °C
Operating Temperature
0 ° to 55 °C
Humidity
10% – 90% non condensing
Weight
24 ounces
Voltage
117 +/- 10%
Frequency
47 – 63 Hz
Load
8 Watts, maximum
Display Type
5-digit LED
Digit Height
0.56 inch (14.2 mm)
Viewing Distance
23 feet
Decimal Point (1250B)
Field programmable
Optional Analog Outputs
+/- 1 mA, 0-1 mA, 0-2 mA, 4-20 mA (requires 15 to 24 VDC external loop power)
Compliance
10 Volts (0-1 mA, ± 1mA, 0-2 mA)
500 Ohms (4-20 mA)
5 mA (0-10 VDC, ± 10 VDC) 1511-LTC
Resolution
12 bits (± 0.025% of full scale)
Optional Hi/Lo Relay Contact Rating
3A @ 125/250 VAC (resistive), 30 VDC
Communication Options
RS-232 (ASCII)
RS-485 Full Duplex (MODBUS)
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