PID STRESS RELIEF PROGRAMMER Controller
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The PID Stress Relief Programmer Controller is used for controlling the rate of heating, soaking and rate of cooling during stress relieving operation. It can be used in conjunction with the power source unit or other contactorised units.
Features
Control Types
PID with Pre-tune and RaPID fuzzy logic, or Manual Tuning. Heat or Heat / Cool, applications
Auto/Manual
Selectable from front panel, with bumpless transfer
Output Configuration
Up to 3 total. Max 2 for control (Heat & Cool), max 2 for Alarms, max 1 for retransmit PV or SP
Alarm 1 & 2 Types
Process high, process low, setpoint deviation and band
Human Interface
4 buttons, 10mm & 8mm high LED’s, plus run-hold, tune, event & profile / control status LED’s
PC Configuration
Off - line configuration & profile editing via config socket (comms option not required)
Profiles
Number of Programs
4, each with 16 free-form segments (Ramp/Dwell/End). Max segment length 99 hours 59 minutes
Delayed Start
Max 99 hours 59mins delay from initiation to program start
Guaranteed Soak
Holds program if PV is outside of specified hold band during dwell segments.
Program Cycles
1 to 9999 or infinite (continuously re-starts program at end)
Ramp Rate Definition
Either ramp rate, or time to final setpoint
Power Loss Recovery
Hot (continue profile from point of power fail) or Cold (end profile and return to controller mode)
Input
Thermocouple
J, K, R, S, T, B, L, & N.
RTD
3 Wire PT100, 50W per lead maximum (balanced)
DC Linear
0-20/4-20mA, 0-50/10-50mV, 0-5/1-5/0-10/2-10V. Scaleable -1999 to 9999, dec point available
Impedance
>100MΩ for Thermocouple and mV ranges, 47KW for V ranges and 4.7W for mA ranges
Accuracy
+/- 0.25% of input span +/- 1 LSD (T/C CJC better than 0.7°C)
Sampling
4 per second, 14 bit resolution approximately
Sensor Break Detection
500,000 operations
DC for SSR
Drive capability >4.2V DC in 1KΩ (10V 500Ω version available)
DC Control/Retransmit
0-20/4-20mA into 500Ω max, 0-10/0-5V into 500Ω min. Control OP +/- 0.5%, Retransmit +/- 0.25%
Solid State (Triac)
0.01 to 1 Amp AC 20 to 280V, 47 to 63Hz
Remote Run-Hold
Volt free or TTL input (Hold = -0.6 to 0.8V or contact open, Run = 2 to 24V or contact close)
Communications
2 Wire RS485, 1200 to 9600 Baud, Modbus
Operating & Environmental
Temperature & RH
0 to 55°C (-20 to 80°C storage), 20% to 95%RH non-condensing
Power Supply
90 to 264V 50/60Hz (optional 20 to 55V AC/22 to 65V DC), approx 4 Watts
Front Panel Protection
IEC IP66 (Behind panel protection is IP20)
Approvals and Certification
CE, UL & Ulc