Eurotherm 2404 User Manual Page 5

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Communications
Digital Transmission standard EIA 485 or EIA232 at 1200, 2400, 4800, 9600, 19,200 baud
Protocols Modbus® or Eurotherm Bisync or DeviceNet
PDSIO Setpoint input Setpoint input from master PDSIO controller. Holdback to master controller
Setpoint output Master setpoint retransmission to slave PDSIO controllers
Update time 500mS
Control functions
Control Modes PID or PI with overshoot inhibition, PD, P only or On/Off
Application Heating, cooling or process output
Auto/manual Bumpless transfer or forced manual output
Setpoint rate limit OFF to 999.9 degrees or display units per second, minute or hour
Cooling algorithms Linear; Water (non-linear); Fan (minimum on time), Oil and proportional only
Tuning One-shot tune Automatic calculation of PID and overshoot inhibition parameters
Adaptive Tune Continuous assessment of the PID values
Automatic droop compensation Automatic calculation of manual reset value when using PD control
Alarms Types Full scale high or low. Deviation high, low, or band. Rate of change
Modes Latching or non-latching. Normal or blocking action
Up to four process alarms can be combined onto a single output
Programmer parameters
Programs One, up to four or up to twenty programs
Segments 16 segments per program
Ramp Ramp Rate or Time to Target
Hours, Minutes or Seconds ( 0.1 to 999.9 )
Dwell Hours, Minutes or Seconds ( 0.0 to 999.9 )
Holdback Per Program or per Segment ( 0.0 to 999.9 )
End Segment Dwell, Reset or Set output level
Cycles Continuous or 1 to 999
Event outputs Up to eight – relay, logic or triac
Timing accuracy ±2% of duration
General
Display Dual, 4 digit x 7 segment high intensity LED
Dimensions & weight 96W x 96H x 150D mm. 600g
Supply 85 to 264Vac, 48 to 62Hz. 10watts max (or 20 to 29Vac or dc)
Temperature and RH Operating: 0 to 55°C, RH: 5 to 95% non-condensing. Storage: -10 to 70°C
Panel sealing IP65
Electromagnetic Meets generic emissions standard EN50081-2 for industrial environments
compatibility Meets general immunity requirements of EN50082-2(95) for industrial
environments
Safety standards EN61010, installation category 2. (voltage transients must not exceed 2.5kV)
Atmospheres Electrically conductive pollution must be excluded from the cabinet in which this
controller is mounted. This product is not suitable for use above 2000m or in
corrosive or explosive atmospheres without further protection.
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