Main features
Settings and data collection can be performed via host communication
RS-485 serial communication function is available. (Optional)
It can be connected to a PLC or a network device for setting and data collection.
The analog transmission output can be easily connected to the measuring instrument
It can be equipped with an analog transmission output function. (Optional)
Because it can be output as a valid value, it can be easily connected to measuring instruments such as recorders and digital displays.
Simple data management via RKC-specific communication
RKC-specific communication is standard.
It can be connected to a PC via USB via our communication converter COM-KG. Various settings and setpoints can be easily saved to a PC, and various setpoints can be uploaded to the THV-10 from a PC.
RKC dedicated communication is set up exclusive. Do not use for control or operation.
It is equipped with abundant functions as standard
It is equipped with functions such as automatic/manual switching, slope setting function, buffer rise/buffer descending function, external contact input, two-position control, and RKC dedicated communication.
Approximately 50% lightweight
Succeeded in achieving a significant weight reduction target for the 20A/30A type. Realize the lightweight of the equipment control panel or control box.
Comparison with our THV-1 (20A/30A).
No transformer flux density limitation for transformer miniaturization (optional)
The transformer's primary measurement control function suppresses excessive current that occurs due to a momentary power failure on the load side. If the transformer is controlled in the first test, the transformer control function is required. There is no transformer flux density limit.
Detects non-linear load heater breaks
A maximum of 3 knee points can be set to match the load profile with the characteristics of the heater. It is used for loads with large resistance values and temperature dependence (lamps, heaters, etc.).
The inflection point can be set automatically.
Main specifications:
Maximum load capacity: AC20A, AC30A, AC45A, AC60A, AC80A, AC100A
Control mode: phase control/zero cross control (switchable)
Applicable loads:
a) Phase control: Linear (impedance type) loads, transformer primary side control (magnetic flux density approx. 1.25 T or less)*1 Please refer to the transformer primary side control protection function
b) Zero cross control: straight (impedance type) load
Input Signal:
a) DC current input DC 4 to 20mA (input internal resistance: 50Ω)
b) DC voltage input DC 1 to 5V (input internal resistance: 30kΩ)
c) DC voltage input DC 0 to 10V (input internal resistance: 30kΩ)
d) Voltage pulse input DC 0/12V (input internal resistance: 30kΩ)
Output mode
a) Phase angle ratio, voltage ratio, voltage self-multiplication ratio
b) Constant current control and power proportional control
a) Standard configuration. b) Optional.
Power frequency: 50/60Hz shared (automatic identification)
Standard Features:
a) Automatic/manual switching (optional external setting)
b) Slope setting function (optional external setting)
c) Slow ascent/descent function: 0.0 to 199.9 seconds
d) External contact input (DI): 1 point, no voltage contact input
(Can be used to switch between RUN/STOP, Auto/Manual, Phase Control/Zero Cross Control, Slow Up/Slow Down Function/Active, Set Data Lock/Unlock, Overcurrent Alarm Function)
e) 2nd position control [external upper and lower limit setter (knob) is optional]
f) RKC-specific communication interface: Our COM-KG communication converter can be used through the RKC-specific communication protocol.
Optional features:
a) Alarm output: 1 point
Output: Transistor output, synchronization method Allowable load current: 100mA, load voltage: DC30V or less
Selectable excited/non-excited (FAIL alarm can only be non-excited)
(Heater disconnection alarm, power regulator fault alarm, power frequency abnormality alarm, overcurrent alarm, FAIL alarm can be selected)
b) Heater disconnection alarm
Current measurement accuracy
20A/30A: ±1.5A (20A or less for current measurement: ±1.2A, 10A or less for current measurement: ±1.0A)
45A/60A/80A/100A : Maximum rated current±5%
c) Current limiters
Setting range: 20A, 30A: 0.0 to 32.0A, 45A: 0.0 to 55.0A, 60A: 0 to 70A, 80A: 0 to 90A, 100A: 0 to 110A
d) Transmission output
Output voltage: DC 0 to 10V (Allowable load resistance: 1kΩ or more)
e) Communication Functions
Interface: EIA standard RS-485
Protocols: RKC communication (ANSI X3.28-1976 subcategory 2.5 A4 standard), MODBUS-RTU
Communication speed: 9600, 19200, 38400, 57600BPS
< general specifications >
Operating temperature range: -15 - +55 °C (guaranteed range)
Power supply voltage for load: AC85 to 264V (including power supply voltage fluctuation) Rating: AC100 to 240V
Quality:
Approx. 0.45kg (20A, 30A)
Approx. 1.2 kg (45A, 60A)
Approx. 1.8 kg (80A, 100A)
Safety Specifications :
UL UL508 (File No. E177758)
cUL C22.2 No.14 (File No. E177758)
CE marking *2:
Low Voltage Directive: EN60947-4-3 (Form 4) Rated insulation voltage: 690 V
EMC Directive: EN60947-4-3 (Form 4)
RoHS Directive: EN50581
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