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AB Quality SLC 500 Installation Instructions Manual

4-channel analog i/o modules
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SLC™ 500 4-Channel Analog I/O Modules
(Catalog Numbers 1746-NI4, -NIO4I, -NIO4V, -NO4I, -NO4V, -FIO4I, and
-FIO4V)
Inside... ........................................................................................... page
Important User Information ...................................................................... 2
For More Information ............................................................................. 3
Types of Analog Modules....................................................................... 4
Hazardous Location Considerations ....................................................... 7
Environnements dangereux .................................................................... 7
Choosing a Slot in the Chassis............................................................. 10
Installing Your Module ......................................................................... 11
Wiring Considerations.......................................................................... 12
Wiring the Analog Module................................................................... 14
Labeling and Installing the Terminal Block .......................................... 16
Minimizing Electrical Noise on Analog Modules................................. 17
Specifications ....................................................................................... 21
Installation Instructions

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  • Page 1: Table Of Contents

    Installation Instructions SLC™ 500 4-Channel Analog I/O Modules (Catalog Numbers 1746-NI4, -NIO4I, -NIO4V, -NO4I, -NO4V, -FIO4I, and -FIO4V) Inside… ................... page Important User Information ..............2 For More Information ................3 Types of Analog Modules............... 4 Hazardous Location Considerations ............7 Environnements dangereux ..............

  • Page 2: Important User Information

    SLC™ 500 4-Channel Analog I/O Modules Important User Information Solid state equipment has operational characteristics differing from those of electromechanical equipment. Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (Publication SGI-1.1 available from your local Rockwell Automation sales office or online at http://www.ab.com/manuals/gi) describes some important differences between solid state equipment and hard-wired electromechanical devices.

  • Page 3: For More Information

    A more detailed description on how to install and SLC 500 Fast Analog I/O Modules 1746-6.9 integrate SLC 500 Fast Analog I/O Modules. User Manual A more detailed description on how to install and use SLC 500 Modular Hardware Style 1747-UM011 your modular SLC 500 system.

  • Page 4: Types Of Analog Modules

    SLC™ 500 4-Channel Analog I/O Modules Types of Analog Modules 1746-NI4 Analog Input Module The NI4 Analog Input module contains 4 analog input channels that are user selectable per channel for voltage or current to support a variety of monitoring and controlling applications.
  • Page 5 SLC™ 500 4-Channel Analog I/O Modules Analog Modules Operation The module converts analog input signals to 16-bit binary values for storage in the SLC processor’s input image table. The decimal range, number of significant bits, and converter resolution depend on the input range that you use for the channel. Analog Input A/D Characteristics NI4, NIO4I, &...
  • Page 6 SLC™ 500 4-Channel Analog I/O Modules Analog Module Hardware Features The module contains a removable terminal block providing connection for the analog input and/or output channels, which is specifically designed to interface with analog current and voltage input signals. The channels can be wired as either single-ended or differential inputs.

  • Page 7: Hazardous Location Considerations

    SLC™ 500 4-Channel Analog I/O Modules Hazardous Location Considerations This equipment is suitable for use in Class I, Division 2, Groups A, B, C, D or non-hazardous locations only. The following WARNING statement applies to use in hazardous locations. EXPLOSION HAZARD WARNING •...
  • Page 8 120 mA (1) The 24V dc user power connection on a fixed SLC 500 can power an NO4I or NO4V analog module. However, the regulation of the 24V dc user connection on a modular SLC 500 power supply, catalog number 1746-P1, -P2, and -P4 is outside of the requirements of the NO4I and NO4V analog modules and cannot be used.
  • Page 9 SLC™ 500 4-Channel Analog I/O Modules Configuring Your Module The NI4, NIO4I, NIO4V, FIO4I, and FIO4V analog modules have user-selectable DIP switch settings, which allow you to configure the input channels as either current or voltage inputs. The switches are located on the analog module board. The following illustration shows the ON and OFF switch settings.

  • Page 10: Choosing A Slot In The Chassis

    Position the module: • in a slot away from an ac or high voltage dc modules • in the chassis closest to the bottom of the enclosure where the SLC 500 system is installed •...

  • Page 11: Installing Your Module

    SLC™ 500 4-Channel Analog I/O Modules Installing Your Module All modules are mounted in a single slot. Remember that in a modular system the processor always occupies the first slot of the first chassis. Never install, remove, or wire modules with power applied to ATTENTION the chassis.

  • Page 12: Wiring Considerations

    The following section provides system wiring guidelines, how to ground your Belden™ cable, and how to determine the cable length. Before wiring any analog module, disconnect power from the ATTENTION SLC 500 system and from any other source to the analog module. Publication 1746-IN008C-EN-P - May 2004...
  • Page 13 SLC™ 500 4-Channel Analog I/O Modules System Wiring Guidelines Use the following guidelines in planning the system wiring for the analog modules: • all analog common terminals (ANL COM) are electrically connected inside the module. ANL COM is not connected to earth ground inside the module. •...

  • Page 14: Wiring The Analog Module

    This section assumes that you have properly installed the analog module. Before wiring any analog module, disconnect power from the ATTENTION SLC 500 system and from any other source to the analog module. To wire your analog module, follow these steps and refer to the illustrations on page 15.
  • Page 15 SLC™ 500 4-Channel Analog I/O Modules 4. At END 1, twist the drain wire and foil shield together, bend them away from the cable, and apply shrink wrap. 5. At END 2, cut the drain wire and foil shield back to the cable and apply shrink wrap.

  • Page 16: Labeling And Installing The Terminal Block

    SLC™ 500 4-Channel Analog I/O Modules Labeling and Installing the Terminal Block The terminal block has a write-on label. Labeling the terminal block will help ensure that it is installed on the correct module. When installing the analog module in a chassis, it is not necessary to remove the terminal block from the module.

  • Page 17: Minimizing Electrical Noise On Analog Modules

    Although it is not the purpose of this installation instruction to address SLC 500 system procedures, several specific steps can be taken to help reduce the effects of environmental noise on analog signals: •...
  • Page 18 SLC™ 500 4-Channel Analog I/O Modules Wiring Diagram (showing differential inputs) analog IN 0+ source IN 0- earth ANL COM ground IN 1+ analog IN 1- source ANL COM earth IN 2+ ground IN 2- Jumper ANL COM unused IN 3+ inputs.
  • Page 19 SLC™ 500 4-Channel Analog I/O Modules Any individual single-ended input device can be connected to any ATTENTION single differential input shown on page 18. The single-ended input common is connected to the negative differential input point. Wiring Schematics for 2, 3, and 4-Wire Analog Input Devices The module does not provide loop power for analog inputs.
  • Page 20 SLC™ 500 4-Channel Analog I/O Modules Wiring Schematic for Single-Ended Analog Input Connections When wiring single-ended analog input devices to the analog input card, the number of total wires necessary can be limited by using the ANALOG COMMON terminal. Note that differential inputs are more immune to noise than single-ended inputs.

  • Page 21: Specifications

    Category 1 to 4, according to EN954-1 (1) For calibrating the 1746-FIO4I and 1746-FI04V analog modules, refer to the customer calibration program and procedure in the SLC 500 Fast Analog I/O Modules User Manual, publication number 1746-6.9. Publication 1746-IN008C-EN-P - May 2004...

  • Page 22: Publication 1746-In008C-En-P - May

    SLC™ 500 4-Channel Analog I/O Modules Backplane Current Specification for NI4, NIO4I, NIO4V, NO4I, NO4V, FIo4I, and FIO4V Catalog Input Channels per Output Backplane Current Draw External 24V dc 1746- Module Channels per Power Supply 5V (max.) 24V (max.) Module Tolerance 4 differential, 35 mA...
  • Page 23 SLC™ 500 4-Channel Analog I/O Modules General Analog Input Specifications for NI4, NIO4I, NIO4V, FIO4I, and FIO4V Description Specification NIO4I, NIO4V FIO4I, FIO4V Converter Resolution 16-Bit 12-bit Repeatability ±1 LSB Location of LSB in I/O image word 0000 0000 0000 0001 Non-linearity 0.01% ±0.073% of full scale max.
  • Page 24 Overvoltage Protection 7.5V ac RMS (maximum) (1) For improved accuracy over temperature, see SLC 500 Analog I/O Modules User Manual, publication 1746-UM005. (2) See the SLC 500 Fast Analog I/O Modules User Manual, publication 1746-6.9. Publication 1746-IN008C-EN-P - May 2004...
  • Page 25 (1) The value listed is for Series B and greater. For series A, the input impedance is 1M ohm. (2) For improved accuracy over temperature, see SLC 500 Analog I/O Modules User Manual, publication 1746-UM005. (3) See the SLC 500 Fast Analog I/O Modules User Manual, publication 1746-6.9.
  • Page 26 SLC™ 500 4-Channel Analog I/O Modules Current Output Specifications for NIO4I, NO4I, and FIO4I Description Specification NIO4I, NO4I FIO4I Converter Resolution 14 bit Location of LSB in I/O image word 0000 0000 0000 01XX Non–linearity 0.05% Conversion Method R-2R Ladder Step Response 2.5 ms (at 95%) Load Range...
  • Page 27 SLC™ 500 4-Channel Analog I/O Modules Voltage Output Specifications for NIO4V, NO4V, and FIO4V Description Specification NIO4V and NO4V FIO4V Converter Resolution 14 bit Location of LSB in I/O image word 0000 0000 0000 01XX Non-linearity 0.05%of full scale Conversion Method R-2R Ladder Step Response 2.5 ms (at 95%)
  • Page 28 Rockwell Automation Support Rockwell Automation provides technical information on the web to assist you in using our products. At http://support.rockwellautomation.com, you can find technical manuals, a knowledge base of FAQs, technical and application notes, sample code and links to software service packs, and a MySupport feature that you can customize to make the best use of these tools.

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