Jetter JM-208-480-OEM, Руководство пользователя, Страница: 14 / 128

1 Safety Instructions
14 Jetter AG
1.2.2 Information Signs and Labels
1.2.3 Earthing Procedure
Secure the digital servo amplifier JetMove 208-480 against misuse or
accidental use.
Markings, information signs, and labels always have to be observed and
kept readable.
Damaged or unreadable information signs and labels have to be replaced.
Screw the enclosure of the digital servo amplifier JetMove 208-480 onto a
highly conducting, earthed panel.
Do only use the digital servo amplifier JetMove 208-480 at the three-
phase, earthed industrial network (TN network, TT network with earthed
neutral, 5,000 A max, symmetric rated current at 400 / 480 V + 10 %).
The digital servo amplifier must not be operated when connected to
unearthed networks and to unsymmetrically earthed networks.
The digital servo amplifier JetMove 208-480 has got a leakage current
greater than 3.5 mA. In order to avoid electric shocks, a second
protective earth conductor will be required.
For this, the following measures must be taken:
• The protective earth bus must be connected to the PE (GND) bolt (1)
located at the top side of the rack as well as to the PE (GND) terminal
X1 (2) (please refer to fig. 1).
The diameter of the two earthing conductors must be equal to, or greater
than, the diameter of the supply lines (1.5 mm
²
/ AWG 16 min.).
• A durable connection with the power supply of the digital servo amplifier
JetMove 208-480 must be provided.
• Correct cabling of the PE (GND) bus according to the connection
diagram (cf. chapter 10 "Connection Diagrams", page 83) must be
carried out.