Product Description
Part Number: 1771-IFE
Technical Specifications
- Inputs per module: 16 single-ended; 8 differential low level
- Module location: 1771 I/O rack - 1 slot
- Input voltage ranges (nominal):
+1 to +5V dc
0 to 5V dc
-5 to +5V dc
-10 to +10V dc
0 to +10V dc - Input current ranges (nominal):
+4 to +20mA
0 to +20mA
-20 to +20mA - Resolution:
12-bit binary
12 bits plus sign on bipolar ranges - Accuracy: 0.1% of full scale range @ 25?C
- Linearity: +1 LSB
- Repeatability: +1 LSB
- Isolation Voltage: +1500V, (transient)
- Input overvoltage protection: 200V (voltage mode)?, 8V (current mode)?
- Input overcurrent protection (current ranges): 30mA
- Common mode voltage: +14.25 Volts
- Input impedance: 100 Megohms for voltage ranges; 250 ohms for current ranges
- Common mode rejection: 80 db, DC-120 Hz
- Current Requirements: 0.75A @ +5V from I/O chassis backplane
- Power Dissipation: 3.75 Watts (maximum)
- Thermal Dissipation: 12.8 BTU/hr (maximum)
- Unscaled BCD and binary output to processor:
1000 to +409510 for polar ranges (0 to 5V, +1 to +5V, 0 to +20mA, and +4 to +20mA)
-409510 to 409510 for bipolar ranges (?5V, ?10V, ?20mA) - Engineering units sent to processor: +999910 with selectable scaling
- Internal scan rate:
12.5 ms for 8 differential inputs (no digital filtering) -add 2.12ms for filtering
25 ms for 16 single-ended input (no digital filtering) -add 4.24 for filtering - Environmental conditions:
Operational temperature: 0 to 60?C (32 to 140?F)
Storage temperature: -40 to 85?C (-40 to 185?F)
Relative humidity: 5 to 95% (without condensation) - Conductors:
Wiring: 14 gauge stranded (max.); 3/64 inch insulation (max.)
Category: Category 2? - Keying: between 10 and 12; between 24 and 26
- Field Wiring Arm Screw Torque: 7 9 inch pounds
- The inputs are protected to 200V. However, if an input terminal's voltage exceeds +14.25V as referenced to module common, channel to channel crosstalk can cause invalid input readings and invalid underrange/overrange bits.
- Only 8 volts can be placed directly across the input when configured in the current mode.
- Refer to publication 1770-4.1, "Programmable Controller Wiring and Grounding Guidelines."
- Availability: In Stock
- Estimated Lead Time: Usually Ships in 5 - 7 Working Days
- Shipping Weight: 2 Kg
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