Yokogawa AQ6375E Spectral Analyzer Remote Control

Yokogawa AQ6375E Spectral Analyzer Remote Control

Overview

This document is the remote control user manual for Yokogawa AQ6375E spectrometer (2nd edition, released in February 2024), focusing on the GP-IB and Ethernet communication interface functions of the core equipment. It provides detailed guidance for users to complete interface configuration, remote control programming, status monitoring, and automated measurement program writing. At the same time, it provides a complete document system, technical support channels, and version revision records to ensure that users can safely and efficiently achieve spectral measurement tasks through remote control.

Safety regulations and symbol explanations

（1） Warning symbols and their meanings

The manual adopts a three-level warning system and provides French reference to ensure clear safety guidance in multilingual scenarios

Warning: Operations that may cause serious or fatal injuries, such as "operating high-voltage circuits without grounding" and "using equipment in flammable environments", must strictly follow preventive measures.

CAUTION: Indicates operations that may cause minor injury or equipment/data damage, such as "wet hand plugging and unplugging communication cables" or "loose cable connections leading to measurement errors".

Note: Key information indicating the correct operation of the device, such as "Communication interfaces cannot be used simultaneously" and "Command execution sequence requirements".

Equipment symbol: The "manual reference required" symbol marked on the equipment indicates that the operation needs to refer to the manual for special guidance (such as interface parameter configuration).

（2） Core Security Guidelines

Scope of use: Only for spectral measurement (such as wavelength, power, signal-to-noise ratio analysis), strictly prohibited from using beyond the range; Measurement category II in accordance with IEC 61010-031 standard cannot be used for category III/IV scenarios (such as high-voltage grid measurement).

Grounding requirements: The protective grounding terminal of the equipment must be reliably grounded, and the probe grounding wire must be connected to the grounding potential. Double grounding can effectively prevent the risk of electric shock.

Environmental restrictions:

Working environment: temperature 0~50 ℃, humidity 20%~80% RH (non condensing);

Storage environment: temperature -40~71 ℃, humidity 20%~80% RH (non condensing);

It is strictly prohibited to use in damp, dusty, flammable/explosive gas environments. The working altitude should not exceed 2000m, and the storage altitude should not exceed 15000m.

Equipment status: If any signs of damage such as damaged interface cables or exposed metal are found, immediately stop using and contact the dealer for repair; It is strictly prohibited to disassemble or modify communication interface components. Yokogawa shall not be held responsible for any malfunctions caused by unauthorized modifications.

Remote communication interface function and configuration

AQ6375E supports two remote interfaces, GP-IB and Ethernet, which cannot be used simultaneously. When one interface is enabled, the other will be automatically disabled.

（1） GP-IB interface (IEEE 488.2 standard)

1. Core features and parameters

Function: Supports remote reception of device setting instructions, acquisition of measurement data (such as spectral waveforms, analysis results) and status information, compatible with SCPI standard commands and AQ6317 legacy commands.

Technical Specifications:

Interface type: 24 pin GP-IB connector, compliant with IEEE 488-1978 electromechanical specifications;

Communication protocol: Following the IEEE 488.2-1992 functional specification, supporting SH1 (source handshake), AH1 (receive handshake), T6 (talker function), L4 (listener function);

Address range: 0~30 (needs to be set through the device menu and cannot be duplicated with other devices in the bus);

Cable requirements: Use GP-IB cables that comply with IEEE standards, with a single segment length of ≤ 2m and a total length of ≤ 20m.

2. Connection and configuration process

Hardware connection:

Turn off the device and PC power, and connect the GP-IB port of the Rear panel of the device to the GP-IB card of the PC using a GP-IB cable;

Tighten the screws of the cable connector to ensure reliable contact; When connecting multiple devices, use a "daisy chain" or "star" topology and prohibit circular connections.

Parameter settings:

Press the SYSTEM button on the device to enter the "More 2/4" menu, select "Remote Interface" → "GP-IB";

Go to "GP-IB Setting" → "My Address", set the address (0-30) using the knob or directional keys, and press ENTER to confirm;

If you need to use AQ6317 compatible commands, go to "Command Format" and select "AQ6317" (default "AQ6375E").

3. Remote/Local Mode Switching

Switch to remote: The PC sends a REN (Remote Enable) signal and sets ATN to "True". The device enters remote mode, and the top of the screen displays "Remote". Only the LOCAL key can be operated (used to release remote).