BeiJer T21C, Руководство по установке

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Installation
4. Connect the cables in the specified order, according to the drawing and steps
below.
Caution:
•
The operator panel must be brought to ambient temperature before it is started
up. If condensation forms, ensure that the operator panel is dry before connecting
it to the power outlet.
•
Ensure that the operator panel and the controller system have the same electrical
grounding (reference voltage level), otherwise errors in communication may
occur.
•
Ensure that the voltage and polarity of the power source is correct.
•
Separate high voltage cables from signal and supply cables.
•
Shielded communication cables are recommended.
24V DC
RS232/
RS422/
RS485
24V DC
A
D
Controller
Power
B
Ethernet
C
–
Connect cable A.
–
Connect cable B, using an M5 screw and a grounding conductor (as short
as possible), that is sized correctly according to local electrical codes.
–
Connect cable C.
–
Connect cable D. The recommended cross-section of the cable is
2.5 mm
2
.
5. Carefully remove the laminated film over the operator panel display, to avoid
static electricity that could damage the panel.
Beijer Electronics, MAEN084E 8