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Reliance Electirc 45C990 4-20MA 8-Bit Analog Input Module | Image
3 year warranty

Reliance Electirc 45C990 4-20MA 8-Bit Analog Input Module | Image
Reliance Electirc 45C990 4-20MA 8-Bit Analog Input Module | Image

45C990

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Reliance Electirc 45C990 4-20MA 8-Bit Analog Input Module

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  • Part Number: 45C990
  • SKU: 45C990RE
  • Manufacturer: Reliance Electric
  • Series: Shark XL

45C990 Technical Specifications

Manufacturer Reliance Electric
Series Shark XL
Part Number 45C990

Product Description

The 45C990 unit is an analog input module that was produced by Reliance Electric to be placed within the Shark XL programmable controller series. The 45C990 analog input module will normally be purchasable from AX Control even though the Shark XL product family is no longer being manufactured. You can make sure that the 45C990 analog input module is in AX Control’s stock by looking on our website or by contacting us via phone or email during our business hours. 

The 45C990 analog input module has eight channels that are available for use. These eight channels have an 8-bit resolution and an input impedance of 220 Ohms. The overall current range is rated at 4 through 20 mA. The conversion time is only 1 millisecond and the overall accuracy is +/- 1% + 1 bit. There is no isolation provided between the inputs and there is no isolation method from DC inputs. The average current consumption for the 45C990 analog input module varies depending on the channel. Channel 1 has an average consumption of 25 mA, Channel 2 has an average consumption of 0 mA, and Channel 3 has an average consumption of 60 mA.

The 45C990 analog input module has a height of 6 inches, a depth of 4.6 inches, and a width of 1.4 inches. Also, the weight of this module is approximately 0.44 lbs. or 0.20 kg. This total weight is representative of the 45C990 analog input module only, meaning it does not include the shipping materials that use.

Frequently Asked Questions about 45C990

What is a Reliance Shark XL 45C990?
The 45C990 is one of two analog input modules. The 45C990 is an 8-channel 4-20 mA input module.
How many terminals does the 45C990 have?
The 45C990 has terminals 0-7 for connecting the analog input devices and terminal C for the common. The 45C990 has 8 total terminals.
Is there a manual to go with 45C990?
Yes, the Reliance Electric Shark XL Series II Manual - Manual J-3809 is the manual that addresses the 45C990. You will find a diagram of the 45C990 and information about the 45C990 in section 2.1.7 of the manual. Ask us for a link to the manual.
What is the difference between analog and digital inputs?
The main difference between analog and digital inputs is that digital only has two states while analog has multiple states. 

Repair Services For 45C990

Type Lead Time Price Action
Repair Service 1-2 weeks $620

Our highly skilled technicians can repair your 45C990. All of our repairs come with a 3 Year AX Control Warranty. Please contact us for additional information about our repair process. To receive the repair pricing and lead time listed above please process your repair order via our website. The following repair options may be available upon request:

  • 48-72hr Rush Repair
  • Detailed Repair Reports
  • AX Control Certificate of Warranty

AX Control Warranty Info

All products we sell are backed by our unparalleled warranty. A warranty certificate will be provided with your order upon request.
All PLCs, HMIs, and Turbine Control Boards: 3 Years
All AC/DC and Servo Drives: 2 Years
All Motors: 1 Year
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45C990 Manuals, White Papers, Data Sheets, and Troubleshooting