Danfoss VLT AutomationDrive FC 302 Manuel d'installation - Page 10

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Danfoss VLT AutomationDrive FC 302 Manuel d'installation
Installation

3.6 Setting Address Switches

NOTICE
Switch off the power supply before changing the address
switches. The address change comes into effect at the
3
3
next power-up.
The address switches enable setting of baudrate and node
ID:
•
Switches 8 and 7 arefor setting the baudrate for
either: 125, 250, or 500 Kbps.
•
Switches 6–1 are for setting the node address in
the range 1–62.
8
On
On
On
On
Table 3.1 Switches 8 and 7
6
5
On
On
On
On
Off
Off
Table 3.2 Switches 6–1
When both switch 8 and 7are set to ON, select baudrates
via parameter 10-01 Baud Rate Select: 10, 20, 50, 100, 125,
250, or 500 kbps.
When switches 6–1 are set to ON, select node ID via
parameter 10-02 MAC ID in the range: 1–127

3.7 Electrical Installation

3.7.1 Cable Specifications
Baudrate
Maximum
[kbps]
cable
length [m]
500
250
125
50
20
10
Table 3.3 Cable Specifications
8
Switch
Baudrate
7
On
Parameter 10-01 Bau
Off
On
Off
Switch
4
3
2
1
On
On
On
On
On
On
On
Off
Off
Off
Off
On
Resistance
Cable cross-
[mΩ/m]
section
[mm
2
]
100
<60
0.34–0.6
250
<40
0.5–0.6
500
1000
2500
<26
0.75–0.8
5000
Danfoss A/S © 05/2015 All rights reserved.
®
VLT
CANopen MCA 105
3.7.2 Wiring Procedures
Wiring procedure for enclosure sizes A1–A3
1.
2.
3.
4.
d Rate Select
500 kbps
250 kbps
125 kbps
Node ID
Parameter
10-02 MAC
ID
62
1
1 Cable screen
2 EMC bracket (used for top cable entry only)
Illustration 3.5 Wiring for Enclosure Sizes A1–A3
Termination
resistor [Ω]
120
Mount the fieldbus connector on the fieldbus
option (CAN_L, Drain, CAN_H). For top cable
entry, mount the supplied EMC bracket on top of
the frequency converter with 2 screws.
Prepare the fieldbus cable by stripping a section
of the cable insulation, so that the cable screen
contacts the EMC bracket. Keep the unshielded
wire as short as possible. For cable specifications,
refer to chapter 3.7.1 Cable Specifications.
Connect the fieldbus cable wires to the terminals
according to the colour code of the wires, see
Illustration 3.6.
To establish mechanical fixation and electrical
contact between cable screen and ground,
position the stripped cable between the spring
loaded metal clamps.
2
1
MG33J402