Ctl NX2700 Manual de usuario Pagina 59

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 103
  • Tabla de contenidos
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 58
58 • vacon INSTALLATION INSTRUCTIONS
Tel. +358 (0)201 2121 • Fax +358 (0)201 212 205
8
8.2.1.1 Control cables
The control cables shall be at least 0.5 mm
2
screened multicore cables, see Table 6-1. The maximum
terminal wire size is 2.5 mm
2
for the relay terminals and 1.5 mm
2
for other terminals.
Find the tightening torques of the option board terminals in Table below.
Terminal
screw
Tightening torque
Nm
lb
-
in.
Relay and
thermistor terminals
(screw M3)
0.5 4.5
Other terminals
(screw M2.6)
0.2 1.8
Table 8-2. Tightening torques of terminals
8.2.1.2 Galvanic isolation barriers
The control connections are isolated from the mains potential and the GND terminals are permanently
connected to ground. See Figure 8-6.
The digital inputs are galvanically isolated from the I/O ground. The relay outputs are additionally double-
isolated from each other at 300VAC (EN-50178).
Figure 8-6. Galvanic isolation barriers
L1 L2 L3
U V W
RO1/1
RO1/2
RO1/3
RO2/3
RO2/2
RO2/1
10Vref
GND
GND
+24V
AI1
AI2+
AI2 -
DIN1...
DIN3
CMA
DIN4...
DIN6
CMB
AO1+
AO2 -
DO1
nk6_15
TI1+
TI1-
Control I/O
grou nd
Digital input
group A
Digital input
group B
Analogue
output
Digital
output
Control
board
Control
panel
Gate drivers
Power
board
Vista de pagina 58
1 2 ... 54 55 56 57 58 59 60 61 62 63 64 ... 102 103

Comentarios a estos manuales

Sin comentarios