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NSTALLATION
GPS - NTP Time Server with LAN Interface 8029NTS-V2/GPS - V08.00
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hopf
Elektronik GmbH
Nottebohmstr. 41
• D-58511 Lüdenscheid • Tel.: +49 (0)2351 9386-86 • Fax: +49 (0)2351 9386-93 • Internet: http://www.hopf.com • E-Mail: [email protected]
5.3.1.4 Voltage Input / Fuse Protection
The 100-240V AC connection is made via the pluggable screw terminal L, N and
.
Primary Side Fuse Protection
The device must be installed in accordance with the provisions of EN 60950. There must be a
suitable isolating device external to the power supply capable of switching the device off.
The primary side line protection, for example, is suitable for this purpose.
Further equipment protection is not required because the device is fused internally.
Recommended External Fuse
When connecting the Time Server 8029NTS/GPS a suitable fuse protection of the power
supply needs to be observed.
Accordingly, the performance data should be taken from the nameplate of the device.
Currently the standard versions of the Time Server 8029NTS/GPS are supplied with power
supplies with power consumption between 6 and 15VA.
Regarding DC applications a suitable fuse must be connected.
If the internal fuse trips it is highly likely that the device is faulty. In this
case the equipment should be checked at the factory!
5.3.1.5 Power Supply Specifications
All specifications regarding the AC power supply can be found in
Chapter 12.4 Power
Supplies
.
5.3.1.6 Power LED
The green Power LED allows a functional evaluation
directly on site at the control cabinet.
LED lights
Normal power supply operation
LED off
No power supply is available or the device is faulty.
5.3.2 DC Power Supply
Make sure that the external voltage source is switched off. When
connecting the power supply, ensure that the polarity and ground
connection are correct!
•
The power supply cable is connected to the Time Server
8029NTS/GPS by means of a 2-pole plug connector with
additional ground connection and interlock:
+V
in
:
Positive pole (contact 1)
–V
in
:
Negative pole (contact 2)
PE:
Ground