Specifications

Base Hardware

• Industrialized rack-mounted computer chassis
• IBM PC-AT compatible 66 MHz 486 DX2 CPU card with 4 MB RAM, floppy and hard disk controllers, two serial ports, printer port, and VGA
• 320 MB hard disk and 1.44-MB floppy (others available)
• Smart 150 KHz A/D card
• 16-channel analog output card with 24 bits digital I/O
• Timer-counter board
• Rack-mounted VGA monitor
• Industrial keyboard
• 3 KVA UPS (Uninterruptible Power Supply)
• Optional cabinet air conditioner
• Optional intelligent Ethernet interface card

Operator Interface

• Function keys
• Test selection and initialization menu defined by user
• Test Header (identification) window (user defined)
• Operator comments are time/date stamped and written to a log file
• User defined operator reminder messages can be generated by the test sequence
• User defined operator acknowledge messages can hold test sequence until the operator responds
• User defined manual entry messages prompt the operator to type in manual data
• Alarm messages are written to screen and log file
• Calibration information logged to audit file

Inputs and Outputs

• 64 channels of analog input
  • Each channel has its own transformer isolated signal conditioning
  • 24 thermocouple channels (type J, K, or T)
  • 24 pressure channels (0.5 to 30,000 psi)
  • 16 voltage inputs (± 10 mv to ± 10 v, 4-20 ma) 
• 16 channels of analog output
  • 12 pressure outputs (3-15 psig)
  • two voltage outputs (0-100 Vdc)
  • two rotary positioner outputs (throttle control, etc.) 
• Four frequency channels
  • 0-500 KHz (programmable time base)
  • Rate measurements for speed and flow rates
  • Totalizers for mass and volume measurements 
• Eight digital inputs and eight digital outputs
  • AC or DC (optically isolated)

Control and Sequencing

• Control
  • 16 PID channels updated at 10 Hz
  • Any primary or derived channel can be a process variable
  • Eight (opt. 32) digital outputs specified on or off for each step 
• Sequencing
  • Up to 340 steps in 64 phases
  • Up to 128 profiles per test - each of which can be 512 set points in length
  • Conditional branching between steps
  • Step times down to 0.1 second
  • Steps can end on time lapse, input, time and input, time or input, manual entry, or operator intervention
  • Process types include: ramp, soak, auto ramp, auto soak, open loop soak, open loop ramp, manual, profile, and open loop profile
  • Alarm and shutdown checks at 1 Hz
  • Alarm and shutdown levels programmable per step and channel

Signal Processing

• Primary channels (76)
  • Configured via user-friendly menus and tables
  • All inputs sampled continuously at 10 Hz
  • Channels are converted into engineering units
  • Thermocouples are linearized
  • Each channel digitally filtered at an independent selected cutoff frequency
  • Up to 4th order polynomial linearization
  • Polynomial linearization and automatic range selection/detection for gas analyzers  
• Derived channels (32)
  • Configured via user-friendly menus and tables
  • Calculations can contain 24 built-in functions
  • Calculations are updated at a rate of 10 Hz
  • Derived channels can be functions of inputs or other calculated channels
  • Each channel digitally filtered at an independent selected cutoff frequency
  • Look-up tables to 1,024 points

Data Logging and Display

• Data Logging
  • Channels (up to 108) can be logged to disk at one of two programmable logging rates per phase
  • Each phase can have different data logging rates
  • Digital filter cutoffs (anti-aliasing) set automatically
  • Each channel filter cutoff can be individually specified
  • Normal mode logging rates to 10 Hz
  • Burst mode to 1 KHz (1-16 channels) 
• Display
  • Values for up to 48 channels displayed on screen (updated at 1 Hz)
  • Position and color of channel display easily selected
  • Real-time plots of 8 channels (updated at 1 Hz)
  • Plots of snapshots, burst, and stored data
  • View operator log file
  • Real-time display of PID activity
  • Remote real-time display and plot
  • Remote date/time set
  • Network (Ethernet-FTP) file transfers