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NX OPTC2
Vacon NX OPTC2 User Manual
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layout and connections
vacon
•
11
24-
hour suppor
t +358 (0)40 8371 1
50
•
Email: va
con@vacon.com
3
3.4
Bus ter
minal resistor
s
If Vacon i
s the last d
evice
of the
fieldb
us li
ne the b
us
te
rmina
tion mu
st be
set.
Use ju
mper
X4 (O
N p
o-
sition)
or ex
ternal
term
i
nation re
sistors (e.g. in DS
UB
-
9 con
necto
r). Se
e
Fig
ure
9.
Figure 9
. Using jumper X4 t
o set the bus termina
tion.
X4
X1
1
2
3
4
5
9
8
7
6
ON
OF
F
10
12
Table of Contents
Default Chapter
2
Table of Contents
2
1 General
3
2 Rs-485 Option Board Technical Data
4
General
4
3 Rs-485 Fieldbus Board Layout and Connections
5
RS-485 OPTC2 Option Board
5
RS-485 OPTC8 Option Board
6
Grounding
7
Grounding by Clamping the Cable to the Converter Frame
7
Grounding Only One Point on the Net
9
Grounding Jumper X1
10
Bus Terminal Resistors
11
Bus Biasing
12
LED Indications
13
4 Installation of Vacon Nx Rs-485 Board
14
5 Commissioning
16
Fieldbus Board Parameters
16
6 Modbus
19
Modbus RTU Protocol, Introduction
19
Supported Functions
21
Exception Responses
23
Modbus Interface
25
Modbus Registers
25
Process Data
25
Process Data in
26
Process Data out
27
Parameters
30
Actual Values
30
Example Messages
31
Start-Up Test
33
7 Metasys N2
34
Metasys N2 Protocol Introduction
34
Metasys N2 Interface
34
Analogue Input (AI)
34
Binary Input (BI)
34
Analogue Output (AO)
35
Binary Output (BO)
35
Internal Integer (ADI)
35
N2 Point Map
36
Analogue Inputs (AI)
36
Binary Inputs (BI)
37
Analogue Outputs (AO)
37
Binary Outputs (BO)
38
Internal Integers (ADI)
38
8 Fault Tracking
39
4
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Vacon NX OPTC2 Specifications
General
Brand
Vacon
Model
NX OPTC2
Category
Industrial Electrical
Language
English
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