Name: JUXTA VJ Series Limit Alarms
Brand: Yokogawa
SKU: 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).

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)
External Dimension:	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)
Product Name	Model (GS)	Isolated Dual-output	RS-485 Communication	Alarm or Contact (relay)	Field Configuration	3-year Warranty	Upgrade ^(*1)	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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