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SNAP-AIMA-32-FM Datasheet(PDF) 8 Page - Opto Electronics Co,. LTD |
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SNAP-AIMA-32-FM Datasheet(HTML) 8 Page - Opto Electronics Co,. LTD |
8 / 46 page SNAP Analog Input Modules Opto 22 • 43044 Business Park Drive • Temecula, CA 92590-3614 • www.opto22.com SALES 800-321-6786 • 951-695-3000 • FAX 951-695-3095 • sales@opto22.com • SUPPORT 800-835-6786 • 951-695-3080 • FAX 951-695-3017 • support@opto22.com © 2001–2014 Opto 22. All rights reserved. Dimensions and specifications are subject to change. Brand or product names used herein are trademarks or registered trademarks of their respective companies or organizations. PAGE 8 Current Input Module, -20 mA to +20 mA, Eight Channels Specifications SNAP-AIMA-8 4-20 self-powered (self- sourcing) transmitters Current Source NOTE: Terminals 2, 4, 6, and 8 on both connectors are connected internally. NOTE: For transmitters sharing the plus side of the loop power supply, the input current will be read as a positive current. CH 2 CH 1 CH 0 CH 3 T 1 23 4 5 6 7 8 T T T T 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 CH 4 CH 5 CH 6 CH 7 T T T External loop power supply OR See additional wiring diagrams on page 7. Description The SNAP-AIMA-8 module provides an input range of -20mA to +20mA with eight channels of analog current input. (If you need a similar module with 32 channels, see page 9.) The SNAP-AIMA-8 can be used with SNAP PAC brains and rack- mounted controllers only. These modules DO NOT supply loop excitation current. Since all inputs share a common reference, the module must be installed at the beginning or end of a typical 4–20mA loop. If you are using both standard and self-sourcing transmitters, either put the transmitters on different modules or use different power supplies. If you need channels that are isolated from each other on the same module, see Opto 22 form #1182. If you have multiple self-sourcing transmitters that share the same positive common, do not use this module. Use the SNAP-AIMA-i module instead. See Opto 22 form #1182. Part Number Description SNAP-AIMA-8 Eight-channel analog current input, -20 mA to +20 mA Input Range -20 mA to +20 mA Over-Range Limits From -22 to +22 mA (+/-20 mA range) Resolution 0.8 microamps Data Freshness (Max) 0.28 seconds DC Common Mode Rejection >-120 dB AC Common Mode Rejection >-120 dB @ 60 Hz Maximum Survivable Input 36 mA or 9 VDC Maximum Operating Common Mode Voltage 250 V Accuracy 0.05% (10 microamps) DRIFT: Gain Temperature Coefficient 30 PPM/ °C DRIFT: Offset Temperature Coefficient 15 PPM/ °C Isolation 1500 V Power Requirements 5 VDC (±0.15 ) @ 170 mA Input Resistance - Single Ended 100 ohms (all channels share the same reference point) Operating Temperature 0 °C to 70 °C Storage Temperature -40 °C to 85 °C Torque, hold-down screws 4 in-lb (0.45 N-m) Torque, connector screws 1.7 in-lb (0.19 N-m) Agency Approvals CE, RoHS, DFARS Warranty Lifetime |
Similar Part No. - SNAP-AIMA-32-FM |
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Similar Description - SNAP-AIMA-32-FM |
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