15 Bits Plus Redundant Power Supply Module GE Fanuc IC670ALG620 190mA Maximum Power Supply
Brand Name:GE Fanuc
Model Number:IC670ALG620
Minimum Order Quantity:1
Delivery Time:2-3 work days
Payment Terms:T/T, Western Union
Place of Origin:USA
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Shenzhen Guangdong China
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23E BlockB,Lushan Building，Chunfeng Road,Luohu District,Shenzhen,518001,China
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Product Details
Redundant Power Supply Module GE Fanuc IC670ALG620 ANALOG IN RTD
Isolated Input Module
Description:
Current drawn from BIU power supply: 190 mA maximum
Digital Resolution: 15 bits plus sign
Operating temperature range: 0 to 55 Degrees C ambient
RTD types: 10, 25, 100, and 1000 ohm platinum; 10 and 100 ohm
copper; 100, 50, and 120 ohm nickel; 604 ohms and 1000 ohms
nickel/iron.
Resistance ranges: 0 to 500 ohms / 0 to 3000 ohms
Accuracy, at 25 C: RTD: +/-0.15% of reading, +/-0.3 to 0.5 degree
Celsius, depending on type
Temperature sensitivity (0 to 60C): +/-0.004% of reading, +/-1.5V
per C referred to input
Maximum lead resistance: 5 ohms per lead
Type of Device: RTD Input Module
Number of Channels: Four 3-wire and/or 4-wire RTDs
Scan time: 60 Hz: approximately 210 milliseconds per point, 50 Hz:
approximately 230 milliseconds per point.
Fault detection: Open RTD, input short, underrange, overrange, and
high/low alarm
Normal mode rejection: 60dB, at 50/60 Hz, 100% span
Common mode rejection: 120 dB at 50/60Hz, 100 ohm imbalance
Common mode voltage: 250 Vrms (350 VDC or peak AC)
Normal mode voltage: 100% overrange DC or peak AC operational 28
VDC or peak AC maximum
Isolation - User input to logic, user input to frame ground: 1500
VAC for 1 minute, 250 VAC continuous
Channel to Channel: 250 VAC continuous
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The RTD Analog Input Module (IC670ALG620) accepts inputs from 4 independent 3-wireand/or 4-wire platinum, nickel, nickel/iron, or copper RTDs.Module features include:
- Selectable resistance measurements in tenths of ohms, tenths of degrees Fahrenheit, ortenths of degrees Celsius
- Individual channel configuration
- Selectable resistance ranges: 0 – 500 ohms and 0 – 3000 ohms
- Selectable RTD input as resistance or temperature (Celsius or Fahrenheit)
- Reports high/low, underrange/overrange, open wire and input short alarms.
- Uses optional discrete inputs and outputs for status and control.
- Two data acquisition rates based on 50 Hz and 60 Hz line frequencies
- Configurable channel activation
Power Sources
No loop power is required for this module. The excitation current
for the RTDs is provided by the module, which automatically matches
the excitation current to each configured RTD type.
The RTD Input Module accepts four inputs from three-wire or
four-wire RTDs and converts the input level to a digital value.
Input spans support a variety of RTD types, as listed in the Module
Specifications section.
The analogital converter reads the voltage generated by each of the four inputs. The A/D converter converts the differential measurement into a binary value (15 bits plus sign), which is read by the block’s microprocessor. The microprocessor sets the gain required in the analogital converter for each individual input. The gain is based on the RTD type that has been configured for that input.
The microprocessor selects the input by means of a solid state, optically-coupled multiplexer.Three measurements are made for each input: Excitation current, RTD resistance including field wire drop, and field wire drop. From these three measurements, the module calculates the RTD resistance. A DC/DC converter circuit isolates the field side from the logic circuits.
The following illustration shows connections for 3-wire and 4-wire
RTDs.
No loop power is required for this module. The excitation current
for the RTDs is provided by the module, which automatically matches
the excitation current to each configured RTD type.
I/O Terminal Block Terminal Assignments
The Terminal Block with box terminals (IC670CHS002) has 25 terminals for each module. Each
accommodates one AWG #14 (avg 2.1mm2 cross section) to AWG #22 (avg 0.36mm2 cross section) wire, or two wires up to AWG #18 (avg. 0.86mm2 cross section). When an external jumper is used, wire capacity is reduced from AWG #14 (2.10mm2) to AWG #16 (1.32mm2).
The Terminal Block with box terminals (IC670CHS002) has 25 terminals for each module. Each
accommodates one AWG #14 (avg 2.1mm2 cross section) to AWG #22 (avg 0.36mm2 cross section) wire, or two wires up to AWG #18 (avg. 0.86mm2 cross section). When an external jumper is used, wire capacity is reduced from AWG #14 (2.10mm2) to AWG #16 (1.32mm2).
The I/O Terminal Block with barrier terminals (IC670CHS001) has 18 terminals per module. Each terminal can accommodate one or two wires up to AWG #14 (avg 2.1mm2 cross section).
The I/O Terminal Block with Connectors (IC670CHS003) has one 20-pin male connector per module.
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15 Bits Plus Redundant Power Supply Module GE Fanuc IC670ALG620 190mA Maximum Power Supply
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