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Precision GPS/GNSS based NTP Network Time Servers

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M373 External Digital Display Clocks

A range of 4 or 6 digit external digital display clocks operating from either serial time codes or NTP network time servers.

The range is offered with a wide variety of digit colours and sizes.

All M373 units are provided with a TCXO based real time clock which maintains an accurate time display during periods of holdover should there be a loss of synchronised master clock time.  All units are sealed to IP65 (IEC529) and are glass fronted for compliance with Section 12 Railway Fire & Safety Regulations.

 The units have a built in web based configuration server allowing full access to the menu configurations and IP address, subnet & gateway settings, thereby facilitating full monitoring and remote setup capability allowing brightness, UTC and/or local time preferences to be controlled.

All units are built to ISO9100D aerospace quality standards and are designed and supplied as long life, highly durable display units, specifically for use in high integrity and high reliability applications.  

Typical applications include:

Rail, sea and airport terminals, public stadiums and venues, banks, factories, hospitals and public halls.

The M373 LED Time Display is ideal in any interior or exterior public display application where clear and precise time display information is needed.

A comprehensive range of digit colours, digit sizes and data interfaces are available to suit operation with a variety of system equipment configurations and master clocks, compatible with 50 industry standard serial time codes as well as NTP.  

Features

Options and ratings


• High-intensity LED digits

• Robust construction to IP65 (IEC 529)

• Excellent readability day or night

• TCXO based Real Time Holdover Clock

• Suitable for interior and exterior applications

• User configuration via web browser

• Fully CE & RoHS Compliant

• Section 12 Compliant - Rail Fire & Safety

• Simple to configure for specific applications with a large range of options (see table)

   Single/Double Side

Single or double sided

   No. of Digits

4 (HH:MM) or 6 (HH:MM:SS)

   Digit Size (mm)

60mm / 100mm / (4 x 100mm + 2 x 60mm)

    Digit Type

Seven Segment

Digit Colours

Red or Yellow or Green

Input Signal

NTP or RS422 / RS485 / RS232 Serial Timecodes

Power

Power Over Ethernet (PoE) or Mains (90-264VAC 50/60Hz)

Front

Glass : Section 12 compliance for Rail fire & safety

Application

Indoor and outdoor public displays

Serial Interface

RS232 or RS422 or RS485  Link configured  - 9 Way D Socket

Network Interface

RJ45 100BaseT - NTPv3 [RFC1305]

Case Finish

 Painted : RAL9007 Aluminium Grey or RAL 9005 Jet Black

Environmental

 Operating : -20°C to +50°C   0-100% R.H. Non Condensing : IP65

TCXO Holdover

1st year 1ppm : 600µs in 24 hrs

Sync Indication

Flashing display colons indicate holdover

Mounting

Ceiling or Wall - supplied with brackets

Vibration

0.125mm (0-50Hz)  0.025mm (50-100Hz)

Shock

Free drop of 250mm

Size

Display Information

Digit Height (mm)

Width (mm)

Height (mm)

Depth (mm)

Weight (kg)

Max viewing Distance (m)

4 digit

[ HH:MM ]

60 x 4

405

168

136

4.6

25

[ HH:MM ]

100 x 4

560

260

210

5.2

50

6 digit

[ HH:MM:SS ]

60 x 4

405

168

136

4.8

25

[ HH:MM:SS ]

100 x 4 + 60 x 2

690

260

210

5.5

50

[ HH:MM:SS ]

100 x 6

690

260

210

5.7

50

M373 Series - External Digital Display Clocks

display_clocks_ds1.pdf
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