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IC697ALG440

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SKU 2174031  UPC 0799705795174

MSRP $2315

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Product Description


IC697ALG440 is a current expander module, which can be paired with a GE Series 90-30 base converter module. The completed analog subsystem includes the base converter and expander modules. IC697ALG440 has 16 individually configurable differential inputs for current or voltage. The base converter accepts bipolar or unipolar analog inputs of up to 10 volts on the full scale. In addition, the base converter will accept 4 to 20 milliamp current loop signals. IC697ALG440 offers individual user scaling for each of the module’s input channels. The complete subsystem accepts a maximum of 120 inputs. Jumpers and DIP switches are not required, and a fast update rate is normal for the base converter. Configuration is compatible with Windows or MS-DOS software functions.

Inputs are converted to digital form for CPU use or for controllers accessing analog inputs via the VME backplane. Inputs are protected against transient and steady state overvoltage conditions. Percent AI references via the analog inputs are utilized in the programmable controller; however, a maximum of 8k words of memory is presently available. Each input channel is set to use one word of %AI memory at 16 bits. Configuration is executed through the use of MS-DOS or Windows software. Field wiring is available to make use of a removable terminal board, and the module is mechanically keyed to correct replacement. I/O references are configured by the user, which as previously mentioned, eliminates the need for jumpers and/or DIP switches. 

Technical Specifications


Voltage Input Range: -10 to +10 volts
Current Input Range:    4 to 20 mA
Calibration: Factory set at 10 volts +/- 2mV
No of Inputs: 16 current inputs
Module Type: Analog Input Expander Module
Power: + 5 volts

 

Technical Information

Specifications

 

Input Ranges:

Voltage: –10 volts to +10 volts Current: 4 to 20 milliamps

Resolution:

Default Scaling (16 bit) 312.5 microvolts per LSB step on voltage 0.5 microamps per LSB step on 4 to 20 mA No missing codes over 16 bits on voltage No missing codes over 14 bits on current NOTE: User scaling may introduce skipped codes in the lower 2 or 3 bits depending upon the factors used.

Accuracy: Calibration

Factory set at full scale = 10 volts ±2 millivolts on Base Converter module. Maximum errors at 25° C (77°F) are: Base Converter Voltage, ±.01% of full scale, ±.02% of value Base Converter Current, ±.05% of full scale, ±.1% of value Expander Voltage, ±.03% of full value, ±.02% of value Expander Current,

±.07% of full scale, ±.1% of value

Base Converter

Continually self-calibrates for zero and positive full scale (before user scaling) values. Field calibration not normally required; there is no zero adjustment. A trimpot on the Base Converter adjusts full scale value at 10V input. For critical applications this can be reset to compensate for ageing of the reference.

Accuracy: Linearity

±.02% of full scale over entire negative to positive range.

Temperature Coefficient

±5 PPM per °C typical ±15 PPM per °C maximum, voltage ±30 PPM per °C maximum, current

Input Impedance:

Voltage Inputs: Greater than 10 megohms at DC AC impedance, 20K ohms in series with 0.47 mfd capacitor. Current Inputs: 250 ohm, 0.1% precision shunt

Common Mode Rejection:

Voltage Range - Peak signal input must be between +13 and –13 volts with respect to the ANLGCOM terminal.

Sensitivity:

Response to common mode signals within the above limits is typically 70 dB CMRR, corresponding to a .02% full scale reading for a 0V input at 10 volts common mode. NOTE: Continuous input signals beyond the common mode range can result in abnormal conversions without causing alarms.

Crosstalk:

High-speed inputs on the Base Converter module may show some interaction between adjacent channels. This is typically .04% of the difference between the affected input and the adjacent channel input levels. The effect can be minimized by arranging inputs with similar levels on adjacent channels. There is no measurable interaction between Expander input channels.

Conversion Rate:

Base Converter inputs updated sequentially about every 2.4 ms to 2.8 ms (maxi- mum) for all 8 channels. One Expander input updated during each scan of the Base Converter inputs. Time between Expander updates = 44.8 x N ms

(N = number of Expander modules present).

 

Response Time:

Each input has a low pass filter with a 100 radians/second (0.01 second) cutoff. A digital filter on the Base Converter input channels adds a second pole at 450 radians/second. A sample and hold maintains full resolution. Settling times, to the specified accuracies, for a zero to full scale step input are as follows:

5.0% 30 milliseconds

1.0% 42 milliseconds

0.5% 51 milliseconds

0.1% 67 milliseconds

Input Protection:

Inputs isolated from VME backplane - but not between input channels. They are, however, protected from overvoltage to the levels listed below.

Impulse:

Inputs normally not affected by common mode damped ring wave of up to 1000 volts peak. Common or transverse mode peaks up to 2500 volts cause no damage, but may cause occasional bad data if they occur coincidentally with conversion of the affected channel.

Continuous Overvoltage:

Inputs survive common mode or normal mode 120 VAC or 125 VDC fault for at least 1 minute. Longer times may damage input current limiting resistor.

Damage limited to only the affected input.

Power Requirements:

 

Rack Backplane

+5 volts at 0.8A (4 watts) maximum for Base Converter

+5 volts at 0.4A (2 watts) for each Expander module

Field Side

No power required for the module; however, current for 4 to 20 mA inputs must be user supplied.

Troubleshooting

Troubleshooting IC697ALG440

Troubleshooting information is available on IC697ALG440's website page; it also includes a datasheet user-manual and a wiring diagram.


Repair your IC697ALG440

PDF Supply can repair your IC697ALG440 in 3-5 business days. And PDF Supply stands by all of its repairs with a 1 year customer satisfaction warranty.

 

ERROR: '8373 - Base Module with Expanders Not Be in Any Slot Lower Than 4'

Description

Error 8373: AI base module with expanders must not be in any slot lower than slot 4.

Resolution

On a PACSystems RX7i rack, when an analog input base module (IC697ALG230) has expander modules (IC697ALG440 or IC697ALG441) following it and there is no other base module before the expanders, the base module must be in slot 4 or higher.

Note: The base module must always precede its expander modules on a rack, that is, the base module must always be added to a slot that has a lower number.

 

Customer Questions and Answers


  • Question:  What is an IC697ALG440?  Answer:  The IC697ALG440 is an Analog Input Current Expansion module from the GE Fanuc 90-70 Series. 
  • Question:  From what is this module an expansion?  Answer:  IC697ALG440 is an expansion from the IC697ALG230 Analog Input module. 
  • Question:  What type of wiring is used between the modules?  Answer:  A simple parallel wiring is used between IC697ALG230 and IC697ALG440.
  • Question:  What should my reference address be?  Answer:  You can set it up as A/I 0009. This means when you go to your analog input table, you will be looking from address number 9-17 for your channels. 
  • Question:  Should I be looking for anything when testing this module?  Answer:  You should make sure that ALL OK lights are ON and NOT blinking. If they are blinking, then you can try powering it off for a second or two and then powering it back up. 
  • Question:  What should I be looking for with the channels when testing IC697ALG440?  Answer:  You want to make sure all the channels are in good, working order.
  • Question:  What should I do if there is a problem with my IC697ALG440?  Answer:  Your product may need repair

For more information on the IC697ALG440 Analog Input Current Expansion of the GE Fanuc 90-70 Series, please see the Datasheet User-Manual.

 

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