DCF77 Master Clock 3522

Characteristics

• LCD-display for clear text reading of all system records
• Programming with operating guide
• Automatic summer / winter time change-over either by manual input, external calendar or radio receiver (DCF77)
• Protection of stored data and parameter up to 1 year in case of power failure
• Buffered clock time at storage up to 1 year, in case of power failure up to 1 month
• Follow-up device for the lines and switching suppression in case of power failure
• Fully automatical line time correction on starting, service, after power failure or short circuit
• Freely programmable line pulse length for each line, line pulse pause (from 200 ms up to 10 s)
• Manual control of the different channels possible at any time
• Switching/signalling time to be programmed as day, week or year switching function
• Keyboard locking by 4-digit code
• 1 master and 3 sub-master programmes, possibility of 14 days programme

Option

Radio controlled clock with DCF77 receiver

Slave clock lines

Freely programmable as minute, half minute or second line. Controlled slave clock lines, deep discharge protected.

Technical Data

General
Number of signal circuits:	2 (optional extendable)
Number of slave clock lines:	2 (optional extendable)
Dimensions HxWxD:	315x230x108 mm
Voltage supply for the clock:	230 V 50-60 Hz
Line total output:	12 V / 1 A, 24V / 0.5 A (appr. 100 Nebenuhren)
Temperature range:	0 - 45°C
Signal output:	potential-free relay point. Charge: max. 250 V / 8 A
Accuracy of clock while crystal operation:	± 0.3 sec. / day at 25°C
Weight:	2.5 kg
Option
Antenna type:	Radio receiver FU 570
Accu:	For visible running of the fingers by power failure

The 3522 can also be synchronized by each hopf clock with a decoded DCF77 output.