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  VT30 Programmable Controller (Discontinued Products)  
 

 

 

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Manual

RS-485
  • T/C, RTD, Linear Input selection. 
  • Fuzzy enhanced PID Control. 
  • Auto / Manual Bumpless Transfer. 
  • Two Alarm output with 9 different alarm functions. 
  • Two 8-segment (Ramp & Soak) profiles. 
  • Universal Power supply : 90-264V AC, 50/60Hz. DC / AC 24V is also. 
  • Event Alarm.
  • Optional
  • Output 2 for cooling control. 
  • Process value or setpoint value Retransmission 
  • Master & Slaver transmission 
  • RS-485 communication(MODBUS RTU) 
  • Power supply : DC/AC 24V
  • Applications
  • Indicator / Controller for Temperature, Humidity, Pressure, Air-Conditioning, Gas Detector, DC Current/Voltage, ...etc. 
  • With retransmission, RS485
 
Specifications
Input Thermocouple : J. K. T. E. B. R. S. N.C
RTD : DIN PT-100; JIS PT-100
Linear : 4~20mA; 0~50mV; 1~5V; 0~10V…
Accuracy T/C±1°C; RTD±0.2°C; Linear±3μV
Sampling Time 0.25 sec.
Control Proportional band : 0.0~300.0% F.S
Integral time : 0~3600 sec.
Derivative time : 0~900 sec.
Hysteresis : 0.0~200.0 or 0.0~2000
Cycle Time : 0~100 sec.

Cycle Time
(0~100)

Relay 15 sec.
Pulsed voltage to drive SSR : 1 sec.
Continuous Current (Voltage) : 0 sec.
Output Relay Contact Output : 10A / 240 VAC (Resistive load)
Pulsed Voltage Output to Drive SSR : DC 0/24V 
(Resistive 250 Ωmin.)
Current Output : 4~20mA; (Resistive 600 Ωmax.)
Continuous Voltage Output : 0~50mV; 1~5V; 0~10V..... 
(Resistive 600 Ωmin.)
General Rated Voltage : AC 90~264V 50 / 60HZ; DC 24V
Ambient Temperature : 0~50°C
Ambient Humidity : 0~90%
Consumption : Less than 5VA
 
Input
Type TEMPERATURE RANGE ( °C ) TEMPERATURE RANGE ( °F )
J -50 ~ 1000°C -58°F ~ 1832°F
K -50°C ~ 1370°C -58°F ~ 2498°F
T -270°C ~ 400°C -454°F ~ 752°F
E -50°C ~ 750°C -58°F ~ 1382°F
B 0°C ~ 1800°C 32°F ~ 3272°F
R 0°C ~ 1750°C 32°F ~ 3182°F
S 0°C ~ 1750°C 32°F ~ 3182°F
N -50°C ~ 1300°C -58°F ~ 2372°F
C -50°C ~ 1800°C -58°F ~ 3272°F
DPT -200°C ~ 850°C -328°F ~ 1562°F
JPT -200°C ~ 650°C -328°F ~ 1202°F
LINE -1999 ~ 9999
 
Alarm Function
PV High Alarm PV Low Alarm
Deviation High Alarm Deviation Low Alarm
Band High Alarm Band Low Alarm
Time Signal Output
PV High Alarm with Delay Time PV Low Alarm with Delay Time
 
 
 
 
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