SRD998 - Uncategorized SCHNEIDER - Free user manual and instructions
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| Product Type | Digital Protective Relay |
| Model | SRD998 |
| Brand | Schneider Electric |
| Dimensions (H x W x D) | 178 x 102 x 76 mm |
| Weight | 0.8 kg |
| Power Supply | 24-48 V DC or 110-240 V AC, 50/60 Hz |
| Power Consumption | < 10 W |
| Operating Temperature | -10°C to +55°C |
| Protection Functions | Overcurrent, Earth fault, Under/Over voltage, Frequency |
| Communication Protocols | Modbus RTU, Profibus DP, Ethernet |
| Display | Backlit LCD, 4 lines x 20 characters |
| Inputs/Outputs | 8 digital inputs, 4 relay outputs, 2 analog outputs (optional) |
| Mounting | Panel mount, 96 x 96 mm cutout |
| Degree of Protection | IP54 (front), IP20 (rear) |
| Maintenance | Self-test on start-up; periodic check of connections and display |
| Cleaning | Wipe with dry cloth; do not use solvents |
| Safety Standards | IEC 60255, EN 61000, UL 508 |
| Spare Parts | Replacement power supply module, display unit, terminal blocks |
| Reparability | Modular design; field-replaceable modules |
| General Information | User manual available in multiple languages; firmware upgradeable via USB |
Frequently Asked Questions - SRD998 SCHNEIDER
What is the purpose of the Schneider SRD998 relay?
The SRD998 is a digital protective relay designed to monitor and protect electrical systems from faults such as overcurrent, earth faults, and voltage abnormalities.
How do I change the display language on the SRD998?
Navigate to the Settings menu, select Language, and choose from available options. The change takes effect immediately.
What power supply requirements does the SRD998 have?
The device accepts 24-48 V DC or 110-240 V AC, 50/60 Hz. Ensure the supply voltage matches the rating label on the unit.
Can I communicate with the SRD998 via Modbus?
Yes, it supports Modbus RTU over RS485. Configure the communication parameters (baud rate, parity, etc.) in the Communication menu.
How do I reset the relay after a trip?
Press the Reset button on the front panel or send a remote reset command via communication. The cause of the trip will be displayed on the screen.
What maintenance does the SRD998 require?
Periodically check connections for tightness and cleanliness. The device performs a self-test at startup. No regular calibration is needed, but firmware updates may be available.
Is the SRD998 suitable for outdoor installation?
The front panel is IP54 rated, but the rear is IP20. It should be installed in a clean, dry environment or in an enclosure with appropriate protection.
How do I update the firmware on the SRD998?
Download the latest firmware from Schneider Electric's website. Connect a USB cable to the device and use the dedicated software to upload the firmware file.
What do I do if the display shows 'Error 12'?
Error 12 indicates a communication failure. Check wiring of the communication port and ensure baud rate settings match the master device. If the problem persists, contact technical support.
Can I replace the internal battery of the SRD998?
The device does not contain a user-replaceable battery. Real-time clock backup is provided by a supercapacitor. If data loss occurs, contact Schneider authorized service.
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USER MANUAL SRD998 SCHNEIDER
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Product information
Brand : SCHNEIDER
Model : SRD998
Category : Uncategorized