CG Drives & Automation 01-7491-01r0 Options 205
13.10 Communication options
For communication with the AC drive there are several
option boards for communication. There are different
options for Fieldbus communication and one serial
communication option with RS-232 or RS-485 interface
which has galvanic isolation.
13.11 Standby supply board
with isolated DC-voltage
measurement
For all FDU/VFX drives specified with the Marine option,
the impedance power-to-ground is infinite (requires also
drive IT-net configuration). This is achieved by using
isolated DC-voltage measurement circuits. For certain drive
frame sizes this is done by equipping the drive with a factory
mounted "Standby supply board with isolated DC-voltage
measurement". This concerns drive frame sizes B-D and
F69-T69.
For drives equipped with this Standby supply board it is
strongly recommended to connect the external 24 V standby
power supply (if used) to this board, terminals X1: +/-
instead of connecting it to the control board connector X11.
Supply 24 V
DC,
±10%, protected by a 2 A slow acting fuse,
from a double isolated transformer. The terminals X1: + and
X1: - are voltage polarity dependent.
Cable length limited to 30 m. If the cable is longer than
30 m, a shielded cable must be used.
Fig. 165 Standby supply board with isolated DC-voltage
measurement, with marine drives frame sizes
B-D and F69-T69.
Part number Description
From FDUsoftware
version
(see menu [922])
01-3876-05 Profibus DP 4.0
01-3876-06 DeviceNet 4.0
01-3876-09
Modbus/TCP, Industrial
Ethernet
4.11
01-3876-10
EtherCAT, Industrial
Ethernet
4.32
01-3876-11
Profinet IO, one port
Industrial Ethernet
4.32
01-3876-12
Profinet IO, two port
Industrial Ethernet
4.32
01-3876-13
EtherNet/IP, two port
industrial EtherNet
4.36
01-3876-16 CANopen 4.42
X1
terminal
Name Function Specification
+ (left) + 24 V
External, AC drive
main power
independent,
supply voltage for
control and
communication
circuits
24 V
DC
±10%
Double
isolated
- (right) 0 V
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