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OPERATING INSTRUCTIONS
FP-AI-100
8-Channel, 12-Bit Analog Input Module
These operating instructions describe the installation, features, and
characteristics of the FP-AI-100. For more information about
configuring and accessing the FP-AI-100 over a network, refer to
the user manual for the particular FieldPoint network module you
are using with the FP-AI-100.
Features
The FP-AI-100 is a FieldPoint analog input module with the
following features:
•
Eight analog voltage or current input channels
•
11 input ranges: ±15 V, ±5 V, ±1 V, 0–15 V, 0–5 V, 0–1 V,
±20 mA, 0–20 mA, 4–20 mA, 0–30 V, ±30 V
•
12-bit resolution
•
Hot plug and play operation
•
2,500 Vrms input-to-output isolation
•
Double insulated for 250 V safe working voltage
•
–40 to +70 °C operation
Installation
The FP-AI-100 mounts on a FieldPoint terminal base (FP-TB-xx)
unit. Because of its hot plug and play operation, you can install the
FP-AI-100 onto a powered terminal base without disturbing the
operation of other modules or terminal bases. The FP-AI-100
receives operating power from the terminal base.
FieldPoint ™ is a trademark of National Instruments Corporation. Product and company names
mentioned herein are trademarks or trade names of their respective companies.
321903C-01
© Copyright 1998, 1999 National Instruments Corp. All rights reserved. June 1999
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Table of Contents
Summary of Contents for FieldPoint FP-AI-100
- Page 1 The FP-AI-100 receives operating power from the terminal base. FieldPoint ™ is a trademark of National Instruments Corporation. Product and company names mentioned herein are trademarks or trade names of their respective companies.
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Page 2: Field Wiring
1. Slide the terminal base key to either position X (used for any module) or position 1 (used for the FP-AI-100 module). 2. Align the FP-AI-100 alignment slots with the guide rails on the terminal base. 3. Press firmly to seat the FP-AI-100 on the terminal base. When the module is firmly seated, the terminal base latch locks it into place. - Page 3 Figure 2. Basic Field Connections (Two Channels Shown) Table 1 lists the terminal assignments for the signals of each channel. Terminal assignments and wiring diagrams are also listed under the slide-in card on the front of the FP-AI-100 module. Table 1. Terminal Assignments Terminal Numbers Channel ©...
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Page 4: Analog Input Circuit
Current Inputs Connect current inputs to the I terminals and reference them to the COM or C terminals. The FP-AI-100 reads current flowing into the terminal as positive and current flowing out of the terminal as terminal, through a 100 Ω... -
Page 5: Input Ranges
Figure 4. Status Indicators After you insert the module into a terminal base (and apply power), the green POWER indicator lights and the FP-AI-100 informs the network module of its presence. When the network module recognizes the FP-AI-100, it sends initial configuration information to the FP-AI-100. -
Page 6: Isolation And Safety Guidelines
FP-AI-100. When you use a product like the FP-AI-100 in applications with hazardous potentials, follow these guidelines to make sure your total system is safe: •... -
Page 7: Specifications
25 mV 20 mV ± 1 LSB 80 mV ± 1 LSB ± 30 V 40 mV 40 mV ± 1 LSB 140 mV ± 1 LSB * Effective resolution includes quantization errors and rms noise. © National Instruments Corp. FP-AI-100... - Page 8 4–20 mA 3.5–24 mA 0.09% 0.51% ± 20 mA ± 24 mA 0.06% 0.545% Input impedance........ 100 Ω Overcurrent protection...... ± 30 mA µ Input noise ........20 A + 1 LSB pk-pk Signal input bandwidth ..... 160 Hz FP-AI-100 www.natinst.com...
- Page 9 Immunity ........EN 50082-1:1994 Emissions ........EN 55011:1991 Group I Class A at 10 m Mechanical Dimensions Figure 5 shows the mechanical dimensions of the FP-AI-100 installed on a terminal base. Dimensions are given in inches [millimeters]. 4.22 [107.19] 4.31 [109.5]...
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