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1769-IF16C Compact High-density Analog Input Modules

The data can be configured as:
• engineering Units.
• scaled-for-PID.
• percent range.
• raw/proportional data.
Module configuration is normally done via the controller’s programming software. In addition, some controllers support configuration via the user program. In either case, the module configuration is stored in the memory of the controller. Refer to your controller’s user manual for more information.

The modules communicate to the controller through the bus interface.
The modules also receive 5 and 24V DC power through the bus interface.

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Essential details：1769-IF16C Compact High-density Analog Input Modules

The data can be configured as:
• engineering Units.
• scaled-for-PID.
• percent range.
• raw/proportional data.
Module configuration is normally done via the controller’s programming software. In addition, some controllers support configuration via the user program. In either case, the module configuration is stored in the memory of the controller. Refer to your controller’s user manual for more information.

The modules communicate to the controller through the bus interface.
The modules also receive 5 and 24V DC power through the bus interface.
You can install as many analog modules as your power supply can support. However, the modules may not be located more than eight modules away from the system power supply.

When you cycle power, the modules perform a check of their internal circuits, memory, and basic functions. During this time, the module status OK indicator remains off. If no faults are found during power-cycle diagnostics, the module status OK indicator is turned on.
After power-cycle checks are complete, the modules wait for valid channel configuration data. If an invalid configuration is detected, the modules generate a configuration error. Once a channel is properly configured and enabled, it begins the analog-to-digital conversion process.
Each time a channel is read, the converted analog data value is tested for an over-range or under-range condition. In addition, the modules support user-configured high and low alarm condition tests for each channel. If any of these conditions are detected, unique bits are set in the channel status words.

1769-IF16C

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1769-IF16C Compact High-density Analog Input Modules

The controller reads the two’s complement binary converted analog data from the modules. This typically occurs at the end of the program scan or when commanded by the control program. If the controller and the modules determine that the bus data transfer was made without error, the data is used in your control program. No field calibration is required.

The Compact I/O system is suitable for use in an industrial environment when installed in accordance with these instructions. Specifically, this equipment is intended for use in clean, dry environments (Pollution degree 2(1)) and to circuits not exceeding Over Voltage Category II(2) (IEC 60664-1).

This equipment is suitable for use in Class I, Division 2, Groups A, B, C, D or non-hazardous locations only. The following attention statement applies to use in hazardous locations.

Most applications require installation in an industrial enclosure to reduce the effects of electrical interference. Analog inputs are highly susceptible to electrical noise. Electrical noise coupled to the analog inputs will reduce the performance (accuracy) of the module.
Group your modules to minimize adverse effects from radiated electrical noise and heat. Consider the following conditions when selecting a location for the analog module. Position the module:
• away from sources of electrical noise such as hard-contact switches, relays, and ac motor drives.
• away from modules which generate significant radiated heat, such as the 1769-IA16 module. Refer to the module’s heat dissipation specification.
In addition, route shielded, twisted-pair analog input wiring away from any high-voltage I/O wiring.

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