3.6 Setting Address Switches
NOTICE
Switch off the power supply before changing the address
switches. The address change comes into effect at the
next power-up.
Set the address switches to give the option a unique ID.
Select an address range from 0 to 63 (factory setting 63)
according to
Table 3.1
.
Switch
8
7
6
5
4
3
2
1
Address
value
-
-
+32 +16
+8
+4
+2
+1
5
-
-
OFF OFF OFF ON
OFF
ON
20
-
-
OFF ON OFF ON
OFF
OFF
35
-
-
ON OFF OFF OFF
ON
ON
Table 3.1 Settings for the Address Switches
Alternatively, assign a unique ID from
parameter 10-02 MAC
ID
. For setting the address from
parameter 10-02 MAC ID
,
ensure that all address switches are set to “ON”. When the
address is already set using address hardware switches, the
address value shown in
parameter 10-02 MAC ID
is ‘read
only’.
Illustration 3.5 Location and Sequence of the Address Switches
3.7 Electrical Installation
3.7.1 Cable Specifications
Baud
rate
[kBaud]
Max. total
cable length
[m]
Drop length
Max. per drop [m]
Cumulative
max. [m]
125
500
6
156
250
250
78
500
100
39
Table 3.2 Cable Lengths
•
Use the cables according to ODVA specifications.
•
Note that the ODVA “Flat Cable” is an unscreened
cable type, and is not suited for use with
frequency converters.
Illustration 3.6 ODVA “Thin Cable” Cross-section
Installation
VLT
®
DeviceNet MCA 104
8
Danfoss A/S © Rev. 03/2015 All rights reserved.
MG33D502
3
3
