Sigma MOD

Master clock for synchronisation of control of clock network, relays, bell and NTP time reference.
USB slot for system update. Programming through PC software.
Automatic summer/winter changeover.
Areas of application: schools, industries, hospitals, administrations, train stations, airports...
Description & General features :

Time distribution and relay programming through DHF radio and NTP.
Master clock with programmable circuits, control of clock network, relays and bells, NTP time server. 
Modular design allowing the addition option cards (2 for the wall model and 4 for the rack version).
Quartz oscillator time base that can be synchronised by a ALS, DCF, GPS or NTP antenna.
3 programmable circuits with weekly, holidays or special day modes for the control of bells or other sytems such as heating, air conditioning, lighting, alarms, access control...
Automatic resetting of time distribution after power shortage.
Automatic summer/winter changeover.
Programming by PC based software and program upload through USB flash drive or Ethernet network.
LED indicators : Power and alarm.
Quartz : TCXO (temperature compensated crystal oscillator).
Typical accuracy : 0.1 sec/day to 25°C and maximum 0.2 sec/day of 0 to 40°C.
Absolute accuracy : 50ms with radio antenna ALS or DCF, 2ms with GPS antenna.
Backlit LCD display : 2 lines of 24 characters.
LCD display : Hour - minute - second - date.
Backup : Of programming in flash memory and a Lithium battery keeps the internal clock running.
Access to the programming : Protected by access code.
Circuits: 3 relay circuits, contact rating: 1A / 240V.
Protection : Time distribution outputs protected against short circuitsand overloads
Construction : ABS casing for wall-mounted or aluminum casing for 19˝ rack (1U height).
Protection index : IP 41.
Operating temperature range : 0° to +50°C.
Keypad : Sensitive keys.