Brooks Instrument 0254 - Manual (Page 10)

1-2
Model 0254
Section 1 Introduction Installation and Operation Manual
X-SE-0254-eng
Part Number: 541B129AAG
September, 2010
1-1-4 Operator Controls and Indicators
Operation may be completely controlled from its integral eight-key pad
used to view operation and programmed operating values. Key activations
are single touch with hold-and-repeat capability. The front panel key pad
provides splash proofing and environment protection.
The 0254 primary indicator is its large back lit liquid crystal graphic display
- visible at a distance even in low light conditions - to view values, support
programming operations, and indicate process state information. A user-
selectable audio indicator annunciates key activations.
1-1-5 Diagnostic Capabilities
Powerful automatic diagnostics support easy installation and ensure a
trouble-free operating life. Tests include memory facility scans, channel
input-output status, and communication status.
1-2 Specifications
Programmable Control and Measurement Functions
Four independent channels.
Rate, Batch, Blend, Measure: 0.000 to 999999
Blend Ratio Percent: 0.000 to 999.999
Totalizer: 0.000 to 19,999,999,999
Gas Correction Factor: 0.000 to 999.999
Measurement Engineering Units: Refer to Appendix A.
Time Base: day, hrs, min, sec, none
Decimal Point : X. to X.XXX
Valve Override: Normal, Open, Closed
Input and Output Signal Selection: Volts or mA, independent, mix or match
Input and Output Full Scale Setting: Independent, 0.000 to 999,999
Setpoint Source: Keypad or RS232