Brooks Instrument 0254 - Manual (Page 12)

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Model 0254
Section 1 Introduction Installation and Operation Manual
X-SE-0254-eng
Part Number: 541B129AAG
September, 2010
Power for Model 0254 and Connected Equipment
Power Supply Requirements
Required: 12–24 Vdc, 2 Amps
Additional permitted: –15 Vdc, 1 Amp DC +/- 5%
Supply voltage flucuations up to +/- 10%
Max current draw per channel : 400 mA
Instrument power draw: 0.8 W
Power Connector: 9-pin female D, 5 A rated
Optional Power Supply Modules (available from Brooks)
• +15 Vdc/2 A, –15 Vdc/1 A, 100–240 Vac, 47–63 Hz
• +24 Vdc/2.5 A, 100–240 Vac, 47–63 Hz
Graphic Display
8-line x 40-character LCD display with backlight
Programmable Display Configuration
Two lines per channel
Line 1, Process Variable: Rate, Total, or Signal
Line 2, Setpoint: Rate, Batch, Blend, or Signal
Off: Unused individual lines can be turned off
Keypad/Display Window
8-Key Metal Dome Tactile with Selectable Audio Beep
Construction: Splash proof and chemically resistant
Hot Keys for Instant Access: Setpoint (rate, batch, blend), VOR,
Emergency Stop
Key Functionality: Full operation and programming capability (refer to
Figure 3-2 on p. 3-6)
Global Settings
Settings applied to all four channels
Information
Version/Check Sum: Factory-installed firmware information
Factory Setting: Allows reset of all channels to factory configuration
System Power
Key selectable power down, power up