Power Supply, Readout & Set Point Controllers

Models 0251 / 0254
The 0250 Series is an innovative, reliable microcomputer-based controller providing power for up to four Brooks Instrument thermal mass flow, Quantim Coriolis mass flow, and/or pressure devices; all in a new compact design. Additionally, the 0250 Series can be used to generate flow set point commands, display flow rate, totalize flow, provide blending multiple flow streams, and more. This fully RoHS compliant device has a very user-friendly interface and is offered with multiple mounting capabilities such as rack mount (0254 only), panel mount, and table-top mount.

Description

Features
  • Variety of mechanical configurations for users’ specific application (panel, desktop, rack mount)
  • Self-diagnostics on every power-up ensures device is fully functional
  • Totalization can be used for inventory management
  • Batch control allows single or multi-channel batch recipes
  • Blending (0254 only) supports master slave blending configuration and operation
  • Gas factor scaling allows user to adapt 0250 Series and mass flow device to any fluid
  • Valve Override Control (VOR) – open, closed or normal
  • Large, graphic, high-contrast, eight (8) line backlit display
  • Brooks Smart DDE Software simplifies data exchange between the 0250 Series and commonly used programs such as Microsoft® Excel, Test Point™ and LabVIEW™
  • RS232 serial port allows remote control, data logging, and remote alarms
Benefits
  • Valve open (using VOR) allows rapid purge or chamber flooding
  • Easy-to-read display shows all process variables and setpoints for quick reading and adjustment
Specifications

Product Type

Power Supply, Readout & Setpoint Controller

Differentiator

Innovative solution for up to four mass flow and/or pressure devices

Electrical

Power Input

Voltage: 12-24 Vdc required, -15 Vdc permitted
Current: 400 mA max current draw per channel
Instrument power draw: 0.8 Watts
Optional power module: 100-240 Vac, 47-63 Hz

Power Output

+15V/2.0A, -15V/1.0A or 12-24 Vdc/2.0A

Signal Input / Output

0(1)-5 Volts, 0(2)-10 Volts, 0(4)-20 mA

Digital Communication

Full communications capability for remote readout, setpoint, control, programming and data acquisition via RS232.

Ratings

Mounting Options

Panel mount kit
Table top kit
Rack mount kit (0254 only, can be used to retrofit into 0152/54 installations)
Rack mount kit with 19” rack (0254 only)

Temperature

Operating: 32-122°F (0-50°C), 0-95% non-condensing

Temperature – Storage

Ship/Storage: -40-185°F (-40-85°C), 0-95% non-condensing

Certifications/Approvals

EMC

CE Mark: EMC Directive EN61326-1:2013
FCC Part 15 Class A, Part 68

Environmental Compliance

RoHS EPD 2011/65/EU
UL-USA & Canada UL 61010 electrical safety for general purpose indoor use

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