0250 Series
8Pages

DATA SHEET Secondary Electronics Power Supply, Readout and Setpoint Controller Model 0251 Single Channel Secondary Electronics Model 0254 Four Channel Secondary Electronics The 0250 Series is a family of secondary electronics providing power supply, readout, and set point control. The innovative, reliable, microcomputer-based controllers are available in two models: • Model 0251 provides power for one Brooks® mass flow or pressure device • Model 0254 provides power for up to four Brooks mass flow and/or pressure devices. Additionally, the 0250 Series can be used to: • Generate flow set point commands • Display flow rate or pressure • Totalize flow for inventory management • Batch control for single or multi-channel batch recipes • Support master slave blending configuration and operation This fully RoHS compliant device has a very user-friendly operation and is offered with multiple mounting options for easy installation into your specific application. Features Display Controls Date Retention Power Input Power Output Signal Input Signal Output Communications Enclosure Mounting Options Dimensions Temperature/Humidity Certifications Benefits 0251: 8 line x 20 character back-lit LCD display. 0254: 8 line x 40 character back-lit LCD display. Keypad: 8-Key metal dome tactile push buttons with selectable audio beep for setpoint (rate, batch, blend), VOR, emergency stop, full operation and programming. Non-volatile ram/rom, 100 year retention. 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, 47-63Hz. +15 V/2.0 A, -15 V/1.0 A or 12-24 Vdc/2.0 A. 0(1)-5 Volts, 0(2)-10 Volts, 0(4)-20 mA. 0(1)-5 Volts, 0(2)-10 Volts, 0(4)-20 mA. Full communications capability for remote readout, setpoint, control, programming and data acquisition via RS232. ABS cycolac resin. Panel mount kit, table top kit, rack mount kit, rack mount kit with 19” sub-rack. (Rack mount available for 0254 only) See product dimensions on pages 4 - 6. Operating: 32-122°F (0-50°C), 0-95% non-condensing. Ship/Storage: (-)40-185°F (-)40-85°C, 0-95% non-condensing. CE Mark   EMC Directive Low Voltage Directive Machinery Directive RoHS Directive FCC UL-USA & Canada 2014/30/EU  EN:61326-1:2013   2014/35/EU  EN:61010-1-2010 2006/42/EC  EN/ISO:13849-1:2009, EN:60204-1:2009 2011/65/EU Part 15 Class A, part 68 0254: UL 61010 Electrical Safety for General Purpose Indoor Use.

Product Description Single or Multi Channel Display The process variable and setpoint for each of the channels are displayed simultaneously for quick reading and adjustment. The value displayed on each channel can be independently set for percent full scale or engineering units to display flow rate, pressure, density, or temperature. Backlit Graphic Display The 0250 Series features a large, high contrast, backlit graphic display which allows the user to view real-time process variables and the programmed setpoint for each connected device right on the home screen. This enables the user to...

Product Description Model 0251 Back View Model 0251 Front View Model 0254 Rack Mount Assembly

Product Description - Model 0251: Panel Mount and Table Model 0251 Panel Mount Dimensions Model 0251 Table Top Dimensions

Product Description - Model 0254: Panel Mount and Table Model 0254 Panel Mount Dimensions Model 0254 Table Top Dimensions 5

Product Dimensions - Model 0254: Rack Mount Rack Mount Dimensions

Model Code Code Description I. Base Model Code Code Option Option Description 0251A Single channel secondary electronics 0254A Four channel secondary electronics Panel mount kit Table top kit Rack mount kit (0254 only, can be used to retrofit 0254 into 0152/54 installations) Rack mount kit with 19” rack (0254 only) III. Power Cord for Power Supply Module 100-240 Vdc North American power cord for 120 Vac European power cord for 220 Vac None United Kingdom power cord for 220 Vac IV. Power Supply Output Voltage V. Input / Output Pinout and Signal Adapters 1 Current Pinout (pin compatible with...