Unitrol E Series
A highly reliable equipment that is also used in an atomic power plant, the Unitrol E series is suitable for small-scale plants that requires high reliability such as boiler control, etc.
Features
Series Models
Controller class
- Programmable indicating controller (VI88MA)
- Single-function type controller (VI88SA)
- Indication alarm setter (VIA88-2)
- Integraph (VS88B)
- Manual adjuster (VIM88) and so on.
Converter class
- Universal computing units (VC88-MFA, VC-68MFA)
-
Computing units (34 series)
Acceleration computing units (VC-34A) / multiplication and division computing units (VC-34MD) / limiter (VC-34LM) / temperature and pressure correction arithmetic unit (VC-34C) / selector (VC-34S) / time lag computing units (VC-34TL ) / pulse converter (VC-34VF) / function generator (VC-34FG) (arbitrary function for generating and for seat-partial flumes) / square root computing units (VC-34R) -
Converter (34 series)
Temperature converter (ETR-34T, ETR-34C) / potentiometer converter (ETR-34P, VC-34P) / signal converter (VC-34VI) / isolator (VC-34IC) / distributor (EDB-34L, 34R , 34D) - Alarm setter (34 series)
Specifications
| Model | VI88MA Type Instructions controller | VI88SA Type Instructions controller | VC88-MFA Type Universal computing unit |
|---|---|---|---|
| Function | Programmable functions： Control operation 6 Types General operation 32 Types |
Fixed functions： Can be selected from 15 types of control operation block |
Programmable functions： General operation 32 types |
| Input Signal | Analog Input (Note 1)： 1-5V DC 5 Points Digital Input： Non-Voltage Contact 4 Points |
Analog Input (Note 1)： 1-5V DC 3 Points Digital Input： Non-Voltage Contact 1 Points |
Analog Input： 1-5V DC 4 Points Digital Input： Non-Voltage Contact 4 Points |
| Output Signal | Analog Output： 4-20mA DC or 1-5V 1 Points 1-5V DC 2 Points Digital Output： Transistor Contact 6 Points or relay contact 3 Points |
Analog Output： 4-20mA DC or 1-5V 1 Points 1-5V DC 2 Points Digital Output： Transistor Contact 3 Points or relay contact 3 Points |
Analog Output： 4-20mA DC or 1-5V 1 Points 1-5V DC 2 Points Digital Output： Transistor Contact 6 Points |
| Instruction/Display | LED Bar/Numerical Display | LED Bar/Numerical Display | LED Bar/Numerical Display |
| Power Supply Voltage/ Power Consumption | 100V AC 14VA or 24V DC 0.35A |
100V AC 14VA or 24V DC 0.35A |
100V AC 14VA or 24V DC 0.4A |
| Model | VIM88 Type Manual indicating controller | VIA88-2 Type Instruction alarm setter | VS88B Type Integraph |
|---|---|---|---|
| Function | Automatic or manual adjustment Auto-manual mode switch： Surface or external switch |
1 Input: 2 Points alarm output | Analog Integration (can calculate square root) |
| Input Signal | Analog Input (Note 1)： 1-5V DC 2 Points Digital Input： Non-voltage contact 1 Point |
Analog Input (Note 1)： 1-5V DC 1 Points |
Analog Input (Note 1)： 1-5V DC 1 Points |
| Output Signal | Analog Output： 4-20mA DC or 1-5V 1Point 1-5V DC 2 Point Digital Output： Relay Contact 1 Point |
Digital Output： Relay Contact 2 Point |
Digital Output： Pulse Output 1 Point |
| Instruction/Display | LED Bar | LED Bar | LCD Numerical Display |
| Power Supply Voltage / Power Consumption | 100V AC 14VA or 24V DC 0.3A |
100V AC 10VA or 24V DC 0.2A |
100V AC 11VA or 24V DC 0.23A |
Note 1 The following options below are available for analog input (input of measurement value)
| Input Specification | Applicable Product |
|---|---|
| 4-20mA DC | VI88MA,VI88SA,VIM88,VIA88-2,VS88B |
| 4-20mA DC (Two-wire system transmitter with 240V DC Power) | VI88MA,VI88SA,VIM88,VIA88-2 |
| 4-20mA DC (Two-wire system transmitter with 24V DC power and square root calculator) | VI88MA,VI88SA,VIM88,VIA88-2 |
| Thermocouple Input | VI88MA,VI88SA,VIM88,VIA88-2 |
| Resistance temperature detectors (Three- wire system) | VI88MA,VI88SA,VIM88,VIA88-2 |
| Model | VC-34VI Type Signal Converter | VC-34IC Type Isolator | VC-34VF Type Voltage / Pulse Converter | VC-34FG Type Function Generator (Linearizer) |
|---|---|---|---|---|
| Input Signal | Voltage：0.5-5V DC Span Current：5-50mA DC Span |
1-5V DC or 4-20mA |
1-5V DC or 4-20mA |
1-5V DC or 4-20mA |
| Output Signal | 1-5V DC 2 Points or 4-20mA DC 1 Point |
1-5V DC 2 Points or 4-20mA DC 1 Point |
1-5V DC or 4-20mA |
1-5V DC or 4-20mA |
| Conversion Accuracy | ±0.2%FS | ±0.2%FS | ±0.5%FS | ±0.5%FS(10 Near the Main wire) |
| Power Supply Voltage / Power Consumption | 100V AC 4VA or 24V DC 0.08A |
100V AC 3.5VA or 24V DC 0.19A |
100V AC 7.5VA or 24V DC 0.19A |
100V AC 7.5VA or 24V DC 0.19A |
| Model | VC-68MFA Type Universal computing unit | X-ECVA Type Electrical Positioner |
|---|---|---|
| Function | Programmable：General calculation 32 Types | - |
| Input Signal | Analog Input： 1-5V DC 4 Points Digital Input：Non Contact 2 Points |
Valve Opening Setting Signal:4-20mA DC Valve Opening Feedback Signal：4-20mA DC or slide resistor 100-1000Ωc |
| Output Signal | Analog Output：1-5V DC 2 Point or 4-20mA DC or 1-5V 1 Point Digital Output：Relay Contact 2 Points |
Control Output：output connection relay connection Number of output, 1 point each for close and open Opening Display Output：4-20mA DC 1 Point |
| Power Supply Voltage / Power Consumption | 100V AC 14VA or 24V DC 0.3A | 100V AC 12VA or 24V DC 0.2A |
| Model | EIS-34 Type Signal generator (Dial Setting) | VC-34L Type Limiter | VC-34S Type Selector |
|---|---|---|---|
| Input Signal | - | 1-5V DC or 4-20mA | 1-5V DC or 4-20mA Number of output 3 Points |
| Output Signal | 1-5V DC or 4-20mA Number of output 3 Points |
1-5V DC 2 Points or 4-20mA DC 1 Point |
1-5V DC 2 Points or 4-20mA DC 1 Point |
| Conversion Accuracy | ±1.5%FS | ±0.5%FS | ±0.5%FS |
| Power Supply Voltage / Power Consumption | 100V AC 6.5VA or 24V DC 0.15A |
100V AC 7.5VA or 24V DC 0.19A |
100V AC 7.5VA or 24V DC 0.19A |
| Model | ETR-34T Type Temperature Conversion (Thermocouple / mV Input) | ETR-34C Type Temperature Conversion (Resistance temperature detectors ) | ETR-34P Type Potentiometer converter | VT-34P Type Potentiometer converter |
|---|---|---|---|---|
| Input Signal | Thermocouple：R, K, J, T, E mV Input：2.5-100mV |
RTD：Pt100 Three- wire system 10°Cspan above | Span 50-200Ω Four-wire system | Span 200-2000Ω Three- wire system |
| Output Signal | 1-5V DC 2 Points or 4-20mA DC 1 Point |
1-5V DC 2 Points or 4-20mA DC 1 Point |
1-5V DC 2 Points or 4-20mA DC 1 Point |
Span 200-2000Ω Three- wire system |
| Conversion Accuracy | mV input (no linearizer) ±0.2%FS(5mV span above) ±10µV(5mV span below) Thermocouple Input (including linearization errors) ±0.5%FS(5mV span above) ±25µV(5mV span below) |
±0.25%FS(50°C span above) ±0.125°C(50°C span below) |
±0.25%FS | ±0.25%FS |
| Power Supply, Voltage / Power Consumption | 100V AC4.5VA or 24V DC 0.12A | 100V AC 4VA or 24V DC 0.1A | 100V AC 4VA or 24V DC 0.1A | 100V AC 4VA or 24V DC 0.1A |
| Model | VC-34R Type Square root computing units | VC-34A Type Acceleration computing units | VC-34MD Type Multiplication and Division computing units | VC-34C Type Temperature and pressure correction arithmetic unit | VC-34TL Type Time log computing unit |
|---|---|---|---|---|---|
| Input Signal | 1-5V DC or 4-20mA |
1-5V DC or 4-20mA number of inputs 3 Points |
1-5V DC or 4-20mA number of inputs 3 Points |
1-5V DC or 4-20mA number of inputs 3 Points |
1-5V DC or 4-20mA |
| Output Signal | 1-5V DC 2 Points or 4-20mA DC 1 Points |
1-5V DC 2 Points or 4-20mA DC 1 Points |
1-5V DC 2 Points or 4-20mA DC 1 Points |
1-5V DC 2 Points or 4-20mA DC 1 Points |
1-5V DC 2 Points or 4-20mA DC 1 Points |
| Conversion Accuracy | ±0.5%FS | ±0.5%FS | ±0.5%FS | ±1.0%FS | ±0.5%FS |
| Power Supply Voltage / Power Consumption | 100V AC 4.5VA or 24V DC 0.12A | 100V AC 7.5VA or 24V DC 0.19A | 100V AC 7.5VA or 24V DC 0.19A | 100V AC 7.5VA or 24V DC 0.19A | 100V AC 7.5VA or 24V DC 0.19A |
| Model | EDB-34L Type Distributor | EDB-34R Type Distributor (Square root Type) | EDB-34D Type Distributor (For 2 loop) |
|---|---|---|---|
| Input Signal | 4-20mA DC (Transmitter power supply 24V DC) |
4-20mA DC (Transmitter power supply 24V DC) | 4-20mA DC (Transmitter power supply 24V DC) |
| Output Signal | 1-5V DC 2 Points or 4-20mA DC 1 Point | 1-5V DC 2 Points or 4-20mA DC 1 Point | 1-5V DC or 4-20mA 1 Point (Every Loop) |
| Conversion Accuracy | ±0.2%FS | ±0.5%FS | ±0.1%FS |
| Power Supply Voltage / Power Consumption | 100V AC4.5VA or 24V DC 0.12A | 100V AC 5VA or 24V DC 0.15A | 100V AC 4.5VA or 24V DC 0.12A |
| Model | EVS052 Type Power Box | EVS103 Type Power Box | EVS304A Type Power Box |
|---|---|---|---|
| Power Consumption | 100,110,115V AC 50/60Hz 28VA |
100,110,115V AC 50/60Hz 65VA |
100,110,115V AC 50/60Hz 190VA |
| Output Voltage / Output Current | 24V DC 0.5A | 24V DC 1A | 24V DC 3A |
| Stability | ±1%FS / Power voltage ±10% changes | ±1%FS / Power voltage ±10% changes | ±1%FS / Power voltage ±10% changes |
