1640-IN-031-C-08 Page 97 of 104
MACO Series Controller Installation
Eurotherm/Barber-Colman
16. MACO Series Specifications
Control Specifications
Process Control
Closed-loop Process Control of Drive Speed or Melt Temperature
Closed-loop process functions updated every 2.5 msec
Drive Ratio Control (Math Function)
Selectable Ramping
Line Graphs of Melt Temperature, Melt Pressure, Drive Speed, etc. (EL and Color
LCD Display)
Temperature Control
6 Zones per Card (standard density); 12 Zones per Card (high density)
Auto-Tuning or User-Selectable Manual Tuning (thermocouple inputs only)
Standby & Run Setpoints
Process High, Low, & Deviation High & Low Alarms
Sensor Break & Heater Burnout (HBO) Alarms (HBO on thermocouple inputs only)
Auto-Comp Feature on Sensor Break Detect
Auto-Start via Real Time Clock
Melt Temperature Control (Math Function)
Sequential Control
Fully Programmable Machine Control
Edited Using PC-Based RLD Editor Software
High Priority Machine Sequence Logic executed every 2.5 msec
4000 Instructions including 100 high priority instructions per Sequence Card
EEPROM Storage of Sequence Program
Timing & Counting
Sequence Card:
64 On/Off Delay Timers
• 24 On/Off Delay, range 0 to 655.35 seconds
• 16 On Delay, range 0.00 to 2.55 seconds
• 8 Off Delay, range 0.00 to 2.55 seconds
• 16 On Delay, range 0 to 655.35 seconds
10 Counters (2 non-volatile), Up or Down, range 65,535
Data Handler Card:
• 8 On Delay, range 0 to 6553.5 seconds
• 8 Event timers, range 0.00 to 655.35 seconds
• 8 Hour meters, battery backup, range 0.0 to 999,999.9 hours
Real Time Clock (seconds, minutes, hours, day, month, year) w/12 scheduled
setpoint control relays to activate internal and external control functions
Statistical Process Control (SPC)
Simultaneous calculations of any 10 User-Selected Process Variables
X-Bar, R, & Histogram charts (viewable on EL Display only, printable on EL & LCD)
Calculated X-Bar, R, Cr, & CPK values
Log of last 100 calculations for each of 10 Process Variables
Industry Standard SPC alarm CRs
User selectable sample size, time or event-based triggering, time between
readings, time between sample groups, upper and lower spec limits
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