GÜDE 3001 Industrial DCF77 NTP Time Server with DIN Rail Mount and PoE

Unlike conventional time servers that depend on external GPS antennas or internet-based NTP pools, the GüDE 3001 integrates a high-precision DCF77 radio receiver directly into a rugged, anodized aluminum housing built for industrial environments. This self-contained design eliminates the need for additional signal converters and ensures reliable stratum-1 time synchronization even in shielded or underground locations where GPS signals are unavailable. The device delivers accurate time to your entire network via NTP and SNTP protocols, making it an ideal solution for automation systems, access control, CCTV, and process control applications that require legally traceable timestamps.

Highlights

• Integrated DCF77 radio clock with external antenna (5 m cable, BNC connector) for optimal signal reception
• Supports NTP v2, v3, v4 and SNTP for broad compatibility with network devices
• Dual power input: 12–24 V DC terminal block or Power over Ethernet (IEEE 802.3af Class 1)
• Flexible mounting: DIN rail clip and wall-mount brackets included
• Robust metal housing with wide operating temperature range from -20 °C to +50 °C
• Advanced management: web interface (HTTP/HTTPS), SNMP v1/v2c/v3, Telnet, SSH
• Security features: HTTPS, SSH, SNMPv3, NTP authentication (MD5, SHA1)
• Potential-free relay output (NO/NC) for status signaling or control tasks

In daily use

Installing the GüDE 3001 is straightforward: connect the external DCF77 antenna, attach the unit to a DIN rail or wall, and supply power via PoE or DC. The integrated web interface guides you through network configuration, time zone settings, and daylight saving rules. Once synchronized, the server automatically distributes time to all NTP clients on your LAN, maintaining accuracy even if the DCF77 signal is temporarily lost. The relay contact can be programmed to switch on synchronization loss or other events, enabling integration into existing alarm systems. System logs can be forwarded via Syslog for centralized monitoring.

Full specifications

• Time source: Integrated DCF77 radio clock (external antenna with 5 m cable, BNC)
• Time protocols: NTP v2, v3, v4; SNTP
• Network interface: 1 × Ethernet 10/100Base-T (RJ45)
• Power supply: 12–24 V DC terminal block or PoE (IEEE 802.3af Class 1)
• Power consumption: Max. 2.5 W
• Mounting: DIN rail (integrated clip), wall mounting
• Operating temperature: -20 °C to +50 °C
• Housing material: Anodized aluminum
• Management: Web interface (HTTP/HTTPS), SNMP v1/v2c/v3, Telnet, SSH
• Security: HTTPS, SSH, SNMPv3, NTP authentication (MD5, SHA1)
• LED indicators: Power, Link/Activity, DCF77 Sync
• Time accuracy: NTP stratum 1 (with DCF77 synchronization)
• Time zone support: Configurable time zones and daylight saving time
• Logging: Syslog
• Relay output: 1 × potential-free contact (NO/NC)
• Compliance: CE, RoHS, WEEE

Final note

With its industrial-grade construction, versatile power options, and comprehensive management capabilities, the GüDE 3001 is a dependable time synchronization solution for demanding environments where precise, traceable time is critical.