Rctd-526 May 2026

RCTD-526 — Quick Guide

3. Installation

1. Mount unit on DIN rail or panel using supplied clips; keep 10 mm clearance each side.
2. Connect ground first.
3. Connect power: respect polarity; use fuse rated to 2× max current.
4. Attach communication cables (shielded twisted pair for UART/I2C/SPI).
5. Tie down cables to avoid strain.

4. Initial configuration

1. Power on; observe LED status:
   • Green steady: ready
   • Blinking green: boot/config mode
   • Red: fault
2. If present, connect via serial console (115200, 8N1) to access CLI.
3. Default credentials: admin / admin (change immediately).
4. Set device ID, network parameters, and protocol mode via CLI or web UI.

6. Maintenance

• Firmware: check quarterly; apply signed firmware only.
• Clean vents and connectors every 6 months.
• Replace fuse immediately after confirmed fault; use specified replacement part.
• Keep firmware/config backups off-device.