Micro Processor Based PID Controllers


MC- 2438	MC- 2538	MC- 2738	MC- 2838

Features:
• PID auto tuning
• Two Fuzzy PID control processes, with two individual outputs
• Multi range input (TC, RTD, mY), each 14 BIT resolution.
• Relay output SSR drive, 4-20mA changeable by a module.
• Three-point alarm, with 19 alarm modes.
• Non-volatile memory.
• Self diagnosis function.
• Auto Zero and Auto Span circuit to keep good accuracy.
• Free range voltage from AC 85V-265V or DC 15-50V.

Specifications:

[ Input Main ]

T/C (Thermocouple) : K,J,R,S,B,E,N,T,W,Cu selectable
PID PT100 (DIN) selectable.
DCV: -10~10mV, 0~10mV, 0~20mV, 0~50mV, 0~1V, 0~5V
0~10V selectable
DC mA: 0~20mA, 4~20mA selectable or others to be ordered.

Input [Sub]

Remote set: -4~20mA, 0~10V to be ordered.

Output

Relay output: SPST, SPDT 5A1240VAC.
SSR drive: 20mAl20 VDC
Current proportioning output: 4-20mA adjustable (Load max 800 ohms)
Three wire system motor valve control10Al240VAC
Alarm: SPST 5A1240VAC for MC·2438, 2738
SPDT 5A1240VAC for other models

Control mode

ON/OFF: sensitivity adjustable
P (Proportional) : 0-100% adjustable I (Integral) : 0-3600 sec adjustable
D ( Derivative) : 0-3600 sec adjustable
Proportioning cycle time: 0-100 sec adjustable
(mA=1, SSR=3, RY>=20)
Cycle Time : 0 -100 Sec.

• Data lock function.
• 1 ramp and 1 soak or 2 patterns each 8 segment programming procedure.
• Input 2 can be used as Remote SV.
• Optional transmitter output.
• With output percentage control, if sensor breakes the controller automatically convert to
manual operation to be controlled by heating power with output percentage.
• Control Mode: Heat / Cool Selectable.
• RS 232 or RS 485 is available for remote monitoring.

Mechanical characterstics

Working temperature: -10- + 50°C
Storage temperature: -10- + 70°C
Working humidity: 50 - 85% RH non-condence
Weight: MC-2438 about 190 g | MC-2538, 2638, 2738 about 310 g | MC-2838 about 410 g

Electrical characterstics

Working voltage: AC 85-265V, DC 15-50V
Power consumption: 2VA
Isolated resistance: >=20MOHms
Dielectricity strength: AC2000V 50/60Hz 1 min
Sampling time: 250m sec
Accuracy: ±0.2% of full range ±1 digit

Dimension & Cut-Out