TCG 01-G

GNSS Timing Generator: TCG 01-G

The TCG 01-G is a highly accurate, fully featured GPS and GLONASS (GNSS) clock. With enhanced cyber security features that support NERC CIP requirements, the TCG 01-G is designed for use in modern day smart grid / smart substations, electricity distribution, transmission, generation protection and control systems. The clock synchronizes multiple IEDs (Intelligent Electronic Devices) within a network, including protection relays and remote telemetry units to enable accurate time stamping. The TCG 01-G supports IEEE 1588 v2 (PTP) and IEC 61850.

Key Features:

  • GPS and GLONASS support
  • Multi level password protection with custom configurable privilege settings
  • Able to act as an IEEE 1588 v2 (PTP) Grand Master, Master, Ordinary Clock or Slave Clock
  • Remote configuration via Ethernet
  • Independently isolated outputs
  • Isolated power supplies
  • High output power line drivers

Input/Output Signals:

  • PTP (1588v2) Default profile, Full Power profile (C37.238), Telecom slave profile (ITU G.8265.1), Telecom grandmaster & slave profile (ITU G.8275.1)
  • NTP/SNTP v3, v4 server operation, and basic SNTP client protocol for testing purposes (included)
  • Proprietary MIB, USM MIB, C37.238 MIB
  • DC IRIG-B (Unmodulated, DCLS)
  • AM IRIG-B (Modulated)
  • Supports C37.118.1
  • Serial Strings
  • User defined pulses
  • DCF77


Design: Takes up ½ of a 1U rack-mount bracket designed for 19 inch cabinets. A 1U 19” rack mount is included with every clock.
IP40 (Ingress Protection rating)
Measurements: (W) 160 mm x (D) 155 mm x (H) 40 mm
Weight: 0.8 Kg
Display: 2-line x 16 character FSTN backlit display

GNSS Receiver

L1, C/ A code, 32 Channel Parallel-tracking receiver
Frequency: 1598 MHz
Acquisition (Sensitivity): -155 dBm
Tracking (Sensitivity): -160 dBm

Oscillator - TCXO

Holdover characteristics operating at 25 degrees C: - TCXO 1PPS drifts 0.55 ms over a 24 hour period.
- Drift rate: 7 ppb per second

Inputs & Outputs

2 x independently programmable outputs, either: TTL 0-5 V, 150 mA (BNC or 2 Pin)
RS422 +/- 5 V, 50 unit loads (2 Pin)
HV switch MOSFET 300V 1A (2 Pin)
Fiber TX (62.5/125 um, λ 820 nm), compatible with multi-mode fiber over ST Fiber connectors
Timing accuracy: <100 ns to UTC
1 x RS232/ RS422 serial port, DCE wired (DB9) RS232: Signals are +/- 9 V, 15 mA.
Serial time messages can be configured to be output at 1200, 2400, 4800, 9600, 19200 and 38400 baud. Programmable pulse or IRIG-B available on pin 1.
Timing accuracy of RS232/ RS422 port:
Serial Message: <1 bit time
Pulse/or IRIG-B time code: <1.5 μs to UTC
1 x AM IRIG-B Output (BNC) 8 Vpp; output impedance: 120 ohm
Timing accuracy: <2 μs to UTC
2 x inputs (2 Pin) External DC IRIG-B synchronization and/or Event time-tagging.
Input rating: 5 V, 7 mA (10 V, 20 mA also accepted)
Timing accuracy: <100 ns to UTC
2 x inputs (2 Pin - Form A contact) Antenna fail alarm, Sync relay.
Contact rating: 200 V, 150 mA DC or 150 V, 100 mA AC
1 x RJ45 10/100 Mbps UTP connector Timing stamp accuracy: <100 ns to UTC

Network Time Server option

Network Time Server NTP/SNTP (Included in price). Protocols Supported:
ARP, UDP, ICMP, TFTP, DHCP, SNMP v1, v2c & v3; VLAN.
This UTP network interface option allows TCG 01-G to function as a Stratum 1 Time Server, simultaneously with all TCG 01-G i/o functions. Supports (S)NTP v3, v4 server operation, and basic SNTP client protocol for testing purposes.

PTP v2 support Option

Typical ordinary clock PPS accuracy (single sub- net) <100 ns to UTC - PTP (IEEE1588v2), full power profile (C37.238)
- GrandMaster (GPS) or ordinary clock functions (determined via BMC algorithm)
- 1-step/ 2-step process
- Layer 2 or Layer 3 mapping
- Peer to Peer and End to End delay support
- Multicast operation
- Telecom Slave profile (ITU G.8265.1)
- Telecom Grandmaster & Slave profile (ITU G.8275.1)


Outputs to base unit: 2.5 kV
Power supply to I/O: 3.5 kV
Between I/O: 2.5 kV

Environmental & Electrical

Power supply options: L = 14 - 36 Vdc (2 Pin)
M = 20 - 75 Vdc (2 Pin)
H = 90 - 300 Vdc (2 Pin)
Power Drain: 6 w max
Operating Temperature: -10°C to +65°C
Humidity: To 95% non-condensing


Customization is achieved using the Tekron Configuration Tool, which is accessed via Ethernet, allowing remote configuration.
Timing & Synchronization: Worldwide daylight savings and local time configuration using either rule based or fixed date methods. Options that allow equipment checks prior to full installation and adjustable hold-over times to increase reliability in the case of poor GPS coverage. Adjustments to compensate for installation parameters such as delay of GPS signal through antenna cable.
Programmable Outputs: IRIG-B (B00x / B22x) time code with selectable C37.118.1 and AFNOR S87-500 extensions, DCF77 time code,
User defined pulse sequences:
− Repetition rates from 20ms to 24 hours
− Offsets and durations from 10ms to 24 hours
− Resolution is 10ms, timing accuracy is <100ns
Serial Strings: NMEA-0183 ZDA NMEA-0183 RMC IRIG J-17 Tekron A—G: Seven protocols designed for plug and play compatibility with a wide range of equipment.


Villámvédelmi készlet

The antenna lightning protection kit affords additional protection through the use of an impulse suppressor installed in the antenna lead-in coax cable. In the event of a lightning-derived high voltage surge occurring on the coaxial cable, the impulse suppressor activates, short-circuiting the cable directly to the protection ground. Kit contents (all components required to install lightning protection are included): - Impulse Suppressor - Self-amalgamating tape - 2 x N-type Male crimp style connectors to match antenna cable - Crimp Tool to match the above connectors (RG59).

Antenna tartó

The antenna mounting bracket is an adjustable 500mm powder-coated steel bracket for securely mounting the timing optimized antenna option.

Antenna kábel

High performance CNT-240 cable, factory-fitted with a TNC-type male connector at one end, and a SMA male connector at the other. Cables are available in standard 15, 30, or 60 meter options. Contact our sales team if you require other custom lengths.

. BNC-2Pin Adapter

Simplifies the connection of an IED with a BNC connector to a shielded twisted pair IRIG-B wiring loom.

Timing Optimized GPS/GLONASS Antenna

Dual GPS/GLONASS antenna radome that boasts exceptional out-of-band rejection, specifically designed for industrial/static timing environments. The antenna includes a pipe-mounting plinth that is designed to fit the antenna mounting bracket accessory.


Amennyiben bármely termékünk, szolgáltatásunk felkeltette érdeklődését, illetve ezekkel kapcsolatban kérdése, információ, tanácsadás iránti igénye lenne, az alábbi elérhetőségeken vegye fel velünk a kapcsolatot.


Mistral-Contact Kft.
1184 Budapest, József u. 29.



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