Introduction to the SINAUT ST7 system
1.7 Radio clock components
Station control system
System Manual, 07/2009, C79000-G8976-C178-07
49
LTOP
Transmission range
300 Hz to 35 kHz
Transmission speed [bps]
Attenuation
[dB]
Frequency
[Hz]
MD100
MD124
MD2
MD3
0.2
1300 ... 3300
1200
1200
2400
1200
2400
All
0.8
5200 ... 8400
4800
0.9
10400 ... 16800
9600
Frequency-dependent attenuation
1.0
20800 ... 30600
19200
9600
19200
Insulation resistance
> 2000 Mohms
Test voltage
4 kV, 50 Hz, 10 s
Surge withstand capability
6 kV/2 J to EN 60 099-1
Normal discharge current i
sn
(8/20 µs)
5 kA
Output voltage limitation at i
sn
Approx. 15 V
Telecontrol connector
Screw terminals
Cross-section 0.2 – 4 mm
2
with rigid cores
Cross-section 0.2 – 2.5 mm
2
with flexible cores
Modem connector
Screw terminals (wire cross-section, see telecontrol line attachment) or RJ-
12 jack for Western plug
Installation location
As close as possible to where cable enters building
Permitted ambient conditions
•
Operating temperature
•
Transport/storage temperature
•
Relative humidity
•
0 °C t60 °C
•
-40 °C t70 °C
•
Max. 95 % at +25 °C
Construction
•
Dimensions (W x H x D) in mm
•
Weight
•
90 x 75 x 110 mm
•
LTOP1: 300 g
•
LTOP2: 320 g
•
OPM: 10 g
Degree of protection
IP 20
Installation
DIN rail TS35 (35 mm; EN 50 022)
1.7
Radio clock components
1.7.1
Accessories for DCF77
DCF77 radio clock
An adapter cable is required to connect the DCF77 radio clock to an indoor or outdoor
antenna. The cable has a BNC male connector to which the normal antenna cable can be
connected.