Vacon NX OPTC3, Руководство пользователя

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4.1.1 Gr ounding of bus cabl e shiel d in OPT- C3
The bus cabl e shiel d can be gr ounded in thr ee differ ent ways:
a)
dir ectl y to the AC dr ive fr ame
b)
to the fr ame of the AC dr ive thr ough an RC fil ter
c)
clamping the cabl e to the conver ter fr ame (r ecom mended)
NOTE! Nor mal ly, the option boar d has al r eady been instal led in slot E of the contr ol boar d. It is not
necessar y to detach the whole boar d for the gr ounding of the bus cabl e shield. Just detach the ter mi-
nal bl ock.
4.1.1.1 Grounding the bus cabl e shield directly to the AC drive frame
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Set jumper settings depending on the used har dwar e ver sion:
a) PC00257: Set jumper X1: Cable shiel d is connected dir ectl y to PE
X1
11688_00
Jumper X1
Cable shield is connected
directly to PE
Cable shield is connected to PE
through RC
Figur e 4- 3. PC00257 gr ounding jumper s
b) PC01294: Set jumper X14
Upper r ow: GND connected to cabl e shield
Lower r ow: Cabl e shield is connected dir ectl y to PE
11689_00
X14
Jumper X14, upper row
Jumper X14, lower row
GND connected to cable shield
Cable shield connected to PE through RC
Cable shield connected directly to PE
Cable shield is not connected
GND not connected to cable shield
Figur e 4- 4. PC01294 gr ounding jumper s