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VJQ7 Analog to Pulse Converter
Brand: YokogawaThe VJQ7 is a plug-in type Analog to pulse converter that converts DC current or DC voltage signal into isolated transistor-contact pulse or contactless AC switch pulse.
Features- Either Pulse Output, Communication Function (RS-485) or Alarm Output (2 Relay Contacts) is Selectable as Output-2
- Various Parameters Such as Input Ranges Can be Set and Modified Through a PC (VJ77) or Handy Terminal (JHT200 and the Like)
Specifications
Brand
Accuracy
- ± 0.1% of Span
Alarm
- 0 to 100% of Input Range - Alarm Setting Range
- High/Low - Alarm Operating Direction
Approvals & Certifications
- CAN/CSA C22.2 No.61010-1
- CE EN 61326-1
- EMC
- KC
- UL 61010-1
Communication
- 2-Wire Half-Duplex
- Baud Rate: 1,200, 2,400, 4,800, 9,600 bit/sec
- Data Length: 7-bits, 8-bits
- EIA RS-485
- LADDER Communication Protocol
- Modbus ASCII/RTU Communication Protocol
- PC-Link Communication Protocol
- PC-Link with Sum Communication Protocol
- Stop Bit: 1-bit, 2-bits
Delay Time
- 1 to 999 seconds - Alarm ON & OFF Delay Setting Range
Display
- LED Display - Alarm Operation
Dissipation
- 2.4 W at 24 Vdc & 110 Vdc - Power Dissipation
- 4.5 VA at 100 Vac - Power Dissipation
- 6.3 VA at 200 Vac - Power Dissipation
Distance
- 3,937 feet (1,200 meters) - Maximum
Electrical Connectors
- M3 Screw Terminal
Electrical Rating
- 30 Vdc at 1 A - Contact Capacity
Enclosure, Body Material
- Modified Polyphenylene Oxide
Frequency
- 0.001 to 2,000 Hz - Output Frequency
Humidity
- 5 to 90% Relative Humidity Non-Condensing
Hysteresis
- 0 to 100% of Input Range - Hysteresis Setting Range
Input
- 0-50 mA DC, Span is 5 mA or more - Code A
- -1 to 1 V (L Range), Span is Under 0.5 V
- -10-10 V (H Range), Span is Under 5 V
- -10-10 Vdc, Span is 0.1 V or more - Code 1
- 100-240 Vac/dc (-15%, 10%) 50/60 Hz - Power Supply Input Voltage
- 15-30 Vdc (± 20%) - Power Supply Input Voltage
- -5 to 5 V (M Range), Span is Under 2.5 V
Insulation Resistance
- 100 MegaOhms at 500 Vdc between Input, Output-1, Output-2, Power Supply & Ground Mutually
Load
- 100 Vac / 200 mA - Contactless AC Switch, Maximum
- 30 Vdc / 200 mA - Open Collector, Maximum
Mounting
- Dedicated VJ Mounting
- DIN Rail
- Wall Mounted
Output Format
- 2 Relay Contact - Alarm Output
- Contactless AC Switch
- Open Collector
Power Supply
- 100-240 Vac/dc, 50/60 Hz - Power Supply Rated Voltage
- 15-30 Vdc - Power Supply Rated Voltage
Power Supply Effect
- ± 0.1% of Span or less - Effect of Power Supply Voltage Fluctuation of 85-264 Vac/dc (47 to 63 Hz), 12-36 Vdc
Pulse Range
- 0.1 to 500 milliseconds - Pulse Width Time
Resistance
- 1 MegaOhms (100 KiloOhms when Power Off) - Input Resistance for DC Voltage Signal
- 100 ohms (External Shunt Resistor) - Input Resistance for DC Current Signal
Resolution
- 0.1%, 4 Significant Digits - Setting Resolution
- 1 second - Setting Resolution
Response Time
- 150 milliseconds
Supply Voltage
- 1,000 Vac/minute - withstand Voltage between Input & Output-2 at Alarm Output & between Output-1 & Output-2
- 2,000 Vac/minute - withstand Voltage between Input, (Output-1, Output-2), Power Supply, & Ground Mutually
Temperature Effect
- ± 0.2% or less of Span for a Change of 10° C (18° F) - Effect of Ambient Temperature Change
Temperature Range
- 0° to 50° C (32° to 120° F)
Zero Offset
- 50% or more - Zero Elevation when Output Frequency is ≤ 1 kHz
