Vacon NX OPTC2 User Manual

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5
#
Name
Default
Range
Description
1 COMMUNICATION
PROTOCOL
1
1 – Modbus RTU
2 – N2
Protocol
2
SLAVE ADDRESS
1
1…247
3 BAUD RATE
6
1 – 300 baud
2 – 600 baud
3 – 1200 baud
4 – 2400 baud
5 – 4800 baud
6 – 9600 baud
7 – 19200 baud
8 – 38400 baud
Communication speed
When N2 protocol is used
Baudrate
must be set to 9600.
4 PARITY TYPE
0
0 – None
1 – Even
2 – Odd
Describes what kind of parity checking
is used.
When N2-protocol is used Pari
ty
type must be set to 0 = None
5 COMMUNICATION
TIMEOUT
20
0—OFF
1—300 s
See chapter Communication timeout
below
6 OPERATE MODE 1 1 – Normal Reserved for later use
Table 5. RS-485 parameters
The parameters of every device must be set before connecting to the bus. Especially the parameters
Communication Protocol , Slave Address and Baud Rate must be the same as in the master configura-
tion.
Communication timeout
The RS-485 board initiates a communication error if communication is broken for as long as defined
by the
Communication Timeout . Communication Timeout is disabled when given the value 0.
Communication status
To see the present status of the RS-485 fieldbus, enter the Comm.Status page from Monitor menu
(G7.5.2). See Figure 12 and Table 6 below.
Figure 12. Communication status
Monitor
READY
I/Oterm
V1

V1
READY
I/Oterm
0.841
Comm. status
Error messages
Good messages

Vacon NX OPTC2 Specifications

General

Brand	Vacon
Model	NX OPTC2
Category	Industrial Electrical
Language	English