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HN 50

»Mini Computer Master Clock with DCF 77 or GPS radio control for up to 16 slave clocks«

Ideal for the realization of small clock systems with indoor, outdoor and advertising clocks by means of advantageous price / performance relation. Up to 16 slave clocks can be connected. The compact construction enables wall mounting or integration in switching cupboards on 30 mm DIN bars.
The Mini Computer Master Clock in highest up-to date technology operates fully electronic and aintenance-free and disposes of a potential-free switching contact. The programming is carried out over a 2-line LCD display. The output voltages 12/24 V for the impulse line can be selected.

Technical Data


Model

HN 50

Slave clock line / Line voltage

1 slave clock line for polarized minute, half-minute or second impulses,
24 V= / 12 V=, selectable

Line current / Approx. number of connectable slave clocks

150 mA, short-circuit proof / 16

Impulse length / pause, minute or half-minute impulses

1,5 s / 1,5 s configurable

Impulse length / pause, second impulses

0,3 s / 0,2 s configurable

Data back-up at mains failure

about 5 years by lithium battery

Display

2-line LCD display with 2 x 16 characters, alphanumeric

Operation

Operation control by means of 6 push buttons

Mains power supply / Capacity

230 VAC ±10 %, 50 Hz / about 20 VA

DC-supply (instead of mains supply)

12 / 24 VDC / about 40 mA

Accuracy on quartz basis
(at about 20 °C)

±0,1s per day

Accuracy radio controlled

±20 ms

Operation temperature

–30 °C to +70°C, max. 95% relative humidity, without condensation

Switching circuit

potential-free closing contact 250 VAC / 6 A, 1.500 VA

Switching program / programming

100 weekly programs with up to 1.000 program lines (on, off, Signal),
channel programming (date dependent, yearly programming)

DC output

12 V or 24 V, max. 200 mA

Particular functions

Astronomic calendar, manual control, timer function, holiday calendar

Wall housing Dimensions / Weight / Protection class

106 x 90 x 58 mm / 0,6 kg / IP 20 (combined housing for wall and DIN bar mounting)
140 x 165 x 74 mm / 0,8 kg / IP 40
145 x 240 x 113 mm / 1,25 kg / IP 65

Accessories / Options

DCF 77 radio time code receiver

DCF 450, 2 wire, 10m connection cable, IP 54

GPS time signal receiver

GPS 4500, 4 wire, 10m connection cable, IP 54

Back-up battery pack

BP ETC, 24 V/2.3 Ah