Mitsubishi Electric a Serie Manuel page 61

α
2 Simple Application Controllers
10.2 System Configuration
Figure 10.1:
DCF 77
Antenna*
NT DCF 77
Power-pack*
* Manufactured by Theben AG
α
The 2 series must use a Theben DCF77 antenna and at least one Theben device to power
the antenna. The
The extra Theben device must power the antenna with 12V DC, only a Theben power supply
can be used to provide the required power and signal line.
A maximum of 10
10.3 Specifications
For general specifications please refer to Chapter 2.
Table 10.2: Theben DCF77 Antenna
Part Name
Ambient Temperature
Protection
Reception Threshold
Reception Area
Connection cable length
Polarity
Caution
• To avoid interference from external signals, do not use the Theben DCF77 antenna in
TV, PC or telecommunications areas.
Table 10.3: Theben Power-pack
Part Name
Operating Voltage
Nominal frequency
Internal consumption
Power-line length
Capacity
Protection class
Protection
α
2 Series
α
2 series internal decoding will only recognise a Theben DCF77 signal.
α
2 series main units can be connected in one configuration.
Item
DCF 77 Antenna 907 0 243
-20 - 70°C
IP 54
100µV/m
approx. 1000km from Frankfurt
max. 200m
none
Item
Power pack NT DCF 77 907 0 182
230V AC~ +/-10%
50-60Hz
max. 3VA
max. 200m individually conducted two-core power line
10 units
II acc. to EN 60335
IP20 acc. to EN 60529
α α
2 Series 2 Series
Content
Content
DCF77 Radio Clock 10
ENG
ENG-49