JUXTA VJ Series Limit Alarms

The VJ series limit alarms are compact, plug-in type alarm setting devices with easy-to-use functions. Five models are available: the VJAK for 2-wire system transmitters; the VJHK with DC voltage/DC current inputs; the VJRK with RTD inputs; the VJTK with thermocouple inputs; and the VJUK with universal inputs.

  • Alarm output signal
    2 point alarm (relay a, contact. 2 points)
  • Parameter setting
    Each parameter setting can be changed using a PC (VJ77 PC-based parameters setting tool).

Details

  • Compact design for space saving.
    The external dimensions are 76 H×29.5 W×124.5 D (mm).
  • Power supply voltage is either 100 to 240 V AC or 15 to 30 V DC.
  •  The standard withstand voltage : 2000 V AC
    Between Input - Output - Power - Ground
  • Alarm outputs
    2 point alarm (relay a, contact. 2 points)
  • Field configuration
    From a computer with the VJ77 parameter setting tool installed, you can change each parameter setting.
  • Three years warranty
  • Supports overseas safety and EMC standards (CE, UL, CSA, etc.) (VJUK)
  • Universal Limit Alarms (VJUK)
    An alarm setter that supports voltage, current, TC/RTD, and mV input signals. Offers 2 independent alarm outputs.
Construction Compact plug-in type (Main unit with Socket)
Mounting Method: Wall, DIN rail, or dedicated VJ mounting base mountings
Connection Method: M3 screw terminal
External Dimension: Limit Alarm: 76×29.5×124.5 mm (H×W×D)
VJCE Base: 130×482.6×121 or 177×482.6×121 mm (H×W×D)

VJ Mounting Base

Model Product Name Descriptions
VJCE VJ Mounting Base The multiple mounting base for VJ Series, mixed and housed up to 16 converters, JIS/EIA standards rack-mounting dimensions.

Limit Alarms

Model Product Name Input Type Output Type Descriptions
VJAK Limit Alarm (with Transmitter Power Supply) DC current Alarm output 2 outputs type
VJHK Limit Alarm DC current or DC voltage Alarm output 2 outputs type
VJRK RTD Alarm output 2 outputs type
VJTK Thermocouple Alarm output 2 outputs type
VJUK Limit Alarm (DC, temperature input type) Universal
(DC voltage/current, thermocouple/RTD, or mV signal)
Alarm output 2 outputs type

Model List

Limit Alarms

Product Name Model
(GS)
Output type Field
Configuration
3-year
Warranty
Upgrade
(*1)
Conformity Standards(*2)
Isolated
Dual-output
RS-485
Communication
Alarm or
Contact
(relay)
CE CSA UL KC RCM
Universal Type VJUK - (*3)
DC Voltage Input Type VJHK -          
DC Current Input Type VJAK -          
Thermocouple Input Type VJTK -          
RTD Input Type VJRK -          

√: Models that support, comply with, or are certified for various standards
- : Unsupported product
Blank : Will support in the future

*1: The aluminum electrolytic capacitor–free design provides longer life (15 to 30V DC power supply only) / Wider range of operating temperatures (-10 to 55°C)
*2: May not conform to various standards depending on some specifications. For details, see the respective product specifications.
*3: Obtained UL compliance through CSA testing and verification

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