Specifications; General Features - Watlow Ramping and Profiling Microprocessor-Based Control SERIES 1500 User Manual

WATLOW Series 1500 User's Manual
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Specifications

General Features

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Dual channel closed loop control.
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Temperature and relative humidii.
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51 time-based steps for ramping.
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8 event outputs per step.
1 event input.
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1 remote hold input.
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Data communications interface optional.
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Fully programmable parameters.
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Membrane faceplate.
User-friendly, 1/2 DIN plug in chassis.
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Three year warranty.
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Control Mode
Microprocessor-based user selectable modes.
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Dual channel with dual control outputs per channel.
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Control parameters user selectable.
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Channels & 2 as Temp & Temp
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On/Off switching hysteresis: 0.3°F or 0.3% RH with RTD or 0-5VDC inputs.
On/Off switching hysteresis: 3.0°F for T/C.
PID parameters per channel or per output.
Proportional band: 0-500°F or 060% RH.
Reset: 0.00-20.00 repeats per minute.
Rate: 0.00-5.00 minutes.
Rate band: 0-3 times proportional band.
Cycle time: 0-60 seconds.
Deadband: +20° On/Off or ±20° with PID.
Alarm parameters user selectable.
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Latching or non-latching, both channels.
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Process high & low and deviation high & low per channel.
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51 steps each selectable as:
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Set point value.
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Ramping, value and time.
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Wait For, time or value
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Jump/Loop to another step.
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Operator Interface
Membrane front panel user-friendly I/2 DIN size.
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Four digit 1/2" LED's displaying actual process input value.
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-Eight character alphanumeric 1/2" LED's displaying set point, step number, and
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various prompts and values for the 1500.
Nineteen LED's to indicate various status conditions.
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Nine keys for control and value entry.
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Input
Thermocouple, RTD, and electrical % RH input.
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Automatic cold junction compensation for thermocouples.
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RTD input 2 or 3 wire, platinum, 100ohms Ω @ 25°C, calibrated to curve #3916
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(0.003916ohms/ohms/°CΩ Ω Ω Ω
DIN curve calibration ##3850 (0.003850ohms/ohms/°C available upon request.
Sensor break protection de-energizes output to protect system.
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°F, °C or % RH is user selectable, RTD version.
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or
& RH.
Temp
Technical Reference
Specifications, Appendix