DAIICHI QT2-500 User Manual

QT-216-057
INSTRUCTION MANUAL
(DETAILED VERSION)
MULTI-TRANSDUCER
QT2-500

DAIICHI QT2-500 Specifications

General

Brand	DAIICHI
Model	QT2-500
Category	Transducer
Language	English

Summary

Features of Product

Connection

Operation and Screen

6.1 Basic Operation

Step-by-step guide to powering on, navigating menus, and basic control operations.

6.2 Screen Structure

Display Modes

7.1 Measurement Display

Details on how to view measured values, including units and conversion.

7.2 Setting Value Display

Information on how to view configured settings for various output types.

Setting Modes

8.1 Setting Flow

Overview of the process for navigating and changing product settings.

8.2 Setting Method

Detailed steps on how to select and change individual setting parameters.

8.3 Setting Menu

Detailed configuration options for input, output, and measurement settings.

Wiring Type

Configures the input circuit wiring type (3P3W, 3P4W, 1P2W, 1P3W).

VT Select

CT

Current Range [I RANGE]

Sets the current measurement range for analog output.

Voltage Range [U RANGE]

Active Power Range [P RANGE]

Reactive Power [Q]

Reactive Power (Power Flow) [Qpf]

Output Limiter [LIMIT]

Sets ON/OFF of output limiter for each channel.

Output Adjustment [ADJUST]

Pulse Output Setting PO

Output Element [ELEMENT]

Sets the measurement element for pulse output to CH12.

Output Pulse Rate [RATE]

Sets the output pulse rate for CH12.

Communication Output Setting COMM

Protocol [PROTOCOL]

Sets the communication protocol (MODBUS RTU or PROTOCOL A).

Address [ADDRESS]

Sets the communication address for the device.

Bit Rate [BIT RATE]

Sets the communication bit rate.

Data Bits [DATA BITS]

Parity [PARITY]

Stop Bits [STOP BIT]

Configuration CFG

Display [DISPLAY]

Sets auto-off time and brightness for the display.

Reset [RESET]

Test Modes

9.1 Test Flow

Flowchart for entering and selecting test modes on the device.

9.2 Test Menu

Options for testing different output and input functionalities.

Analog Output [AO]

Tests analog output channels by selecting output values.

Pulse Output [PO]

Tests pulse output channels by activating pulse output.

Communication Output [COMM]

Tests communication output values for various parameters.

Wiring Check [WIRING CK]

Specifications

10.1 Rating

Details the electrical ratings for input circuit, voltage, current, and auxiliary supply.

10.2 Measurement Item, Class

Lists measurement elements and their corresponding class indices for different wiring types.

10.3 Detailed Specification

Provides comprehensive technical specifications, standards, and safety information.

Test Function

Details on testing analog output, communication, pulse output, input wiring, and display.

Measuring Range

Frequency

Fundamental-Wave RMS Value

Distortion Factor

Multi-Transducer Setting Software (QT2-CS-01)

11.1 Outline

Overview of the QT2-CS-01 software for setting up the QT2-500.

11.2 Hardware Requirements

11.3 System Configuration

Troubleshooting

Power LED is not lights

Display disappears

Does not switch to the setting mode or test mode

Solutions for inability to switch between modes due to lock functions.

Error in Analog Output

Troubleshooting steps for errors related to analog output.

Error in Communication Output

Troubleshooting steps for errors in communication output.

Error in Active Energy and Reactive Energy

Troubleshooting for errors in active/reactive energy, display, communication, and pulse output.