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9907-1200 current-to-pressure converters

9907-1200 current-to-pressure converters

Eight (8) isolated voltage or current outputs. This module is installed in any slot of the 1756 ControlLogix chassis. It has selectable output ratings of -10 to 10V, 0 to 10V, 0 to 5V, and 0 to 20 mA, all with 16-bit resolution. The module’s backplane current rating is 200mA at 5.1 VDC and 275mA at 24VDC. It has a backplane power output of 6.3W at voltage mode. When in current mode, the backplane output power ranges from 6.3-10.2W with 250-1000 Ohm loads. The 1756-OF8I also has a thermal and power dissipation level that is load dependent at current mode at 18.4 BTU/hr.
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Overview

Essential details：9907-1200 current-to-pressure converters

Woodward’s second generation current-to-pressure converters (CPC-II) 10 bar, Zone 2, simplex version with enhanced dynamics are electrohydraulic pressure regulating control valves used to position single-acting steam turbine valve servos/actuators.  The CPC-II solves one of the industries number one reliability issue of oil contamination affecting equipment uptime and performance.
The CPC-II accepts 4-20 mA pressure demand signals and accurately controls oil pressure to precisely position single-acting steam turbine governor-valves. Precise and stable steam valve control directly relates to improved steam turbine speed and load control and reduced system mechanical wear.
Features:
  • Oil contamination resistant (ISO20/16)
  • Precise fluid pressure control
  • Stable & linear valve control
  • Included valve linearization table (Full range <0.2%)
  • Redundant inputs/sensors for critical applications
  • Accepts signals from redundant controllers
  • Redundant (dual) CPCs (Master/Slave) functionality
  • Standard mounting and hydraulic connections
  • Self-cleaning valve algorithm
  • Status & health indication (Pressure transducer health, input demand signal health, internal unit health, Input power source quality)
  • Control pressure readout
  • Software service tool with trending
  • Certified for North American Hazardous Locations
  • Compliant with applicable CE Directives—ATEX, Machinery, PED, and EMC
Replaces:
  • Woodward CPC’s: 9907-1105, 9907-1106
  • Voith E360 models

9907-1200

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sunny  He

[Email] sales@saulcontrol.com

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9907-1200 current-to-pressure converters

The Allen-Bradley 1756-OF8I is a High-Resolution analog output module that is capable of providing Voltage or Current signals to drive modulating actuators and analog devices. This module features Eight (8) individually isolated and configurable channels. The module’s output Voltage range is -10 to 10V, 0 to 10V, and 0 to 5V while the Current Output range is 0 to 20 mA at 16-bit resolution.

Resolution is critical as it provides higher accuracy and efficiency. The higher the module’s accuracy, more areas of control points may be covered. High resolution modules is especially compatible for critical processes. The module’s specific resolution includes (0.32 mV/count) for +/- 10 VDC; (0.16 mV/count) for 0-10VDC; (0.08 mV/count) for 0 – 5VDC and 0.32 µA/count) for 0-21 mA.

The module’s registers are composed of Readable and Writeable bits, capable of output forcing that is useful during commissioning phase.

This module support stand-alone or distributed application. With stand-alone application, the module is installed to the chassis where the ControlLogix Processor is also installed. This configuration may be used for small to medium process scale processes. It also supports installation in a Remote I/O rack where the output module is installed away the processor rack instead, it is installed in a ControlLogix rack paired with a communication module. The communication module communicates the operational status as well as the individual channel information to the main processor.

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