Circutor CVM-C4 Series User Manual

3
Instruction Manual
CVM-C4
SAFETY PRECAUTIONS
DANGER
Warns of a risk, which could result in personal injury or material damage.
ATTENTION
Indicatesthatspecialattentionshouldbepaidtoaspecicpoint.
Follow the warnings described in this manual with the symbols shown below.
If you must handle the unit for its installation, start-up or maintenance, the following
should be taken into consideration:
Incorrect handling or installation of the unit may result in injury to personnel as well as damage
to the unit. In particular, handling with voltages applied may result in electric shock, which may
cause death or serious injury to personnel. Defective installation or maintenance may also
leadtotheriskofre.
Read the manual carefully prior to connecting the unit. Follow all installation and maintenance
instructions throughout the unit’s working life. Pay special attention to the installation stan-
dards of the National Electrical Code.
Refer to the instruction manual before using the unit
In this manual, if the instructions marked with this symbol are not respected or carried out correctly, it can
result in injury or damage to the unit and /or installations.
CIRCUTOR,SAreservestherighttomodifyfeaturesortheproductmanualwithoutpriornotication.
DISCLAIMER
CIRCUTOR, SAreservestherighttomakemodicationstothedeviceortheunitspecica-
tions set out in this instruction manual without prior notice.
CIRCUTOR, SA on its web site, supplies its customers with the latest versions of the device
specicationsandthemostupdatedmanuals.   
www.circutor.com
CIRCUTOR, recommends using the original cables and accessories that are
supplied with the device.

Circutor CVM-C4 Series Specifications

General

Brand	Circutor
Model	CVM-C4 Series
Category	Measuring Instruments
Language	English

Summary

Safety Precautions

Verification Upon Reception

Product Description

Device Installation

Prior Recommendations

Crucial safety advice for handling and installation procedures.

Installation

Step-by-step guide for mounting the device into an electrical panel.

Device Terminals

Identifies and lists all terminal connections for the device.

Connection Diagram

Operation

Measuring Parameters

Keyboard Functions

Relay Outputs

Energy Impulse Outputs

Display

Single-Phase Network Measuring

Three-Phase Network Measuring with 4-Wire Connection

Three-Phase Network Measuring with a 3-Wire Connection

Configuration

Configuration of the Input

Primary Voltage

Secondary Voltage

Primary Current

Secondary Current

RS-485 Communications

Configuration settings for RS-485 serial communication.

Modbus Address

Setting the unique Modbus address for device communication.

Baud Rate

Data Format

Relay Output 1

Detailed configuration for the first programmable relay output.

Relay Mode

Relay Pulse Duration

Alarm Parameter

Selecting the parameter that triggers an alarm for Relay 1.

Alarm Value

Setting the threshold value for alarm activation on Relay 1.

Hysteresis

Connection Delay

Relay Output 2

Configuration for the second programmable relay output, similar to Relay 1.

System Configuration

Global system settings including energy, display, and password.

Energy Accumulation Mode

Access Password

Setting or changing the password for accessing configuration menus.

Light Alarm

Clearing Parameters

Clearing Energies

RS-485 Communications

Connections

Modbus Protocol

Explains the Modbus RTU protocol and its functions used by the device.

Modbus Commands

Lists Modbus commands and their corresponding memory addresses.

Measurement Variables and Device Status

Modbus map for accessing measurement variables and device status.

Output Relays

Digital Inputs

Remote Control Output (Relay output)