Vacon NX OPTC2 User Manual

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6
6.2.7 Example messages
Example 1
Write the process data 42001…42003 with command
16 (Preset Multiple Registers).
Command Master – Slave:
ADDRESS
01 hex Slave address 1 hex (= 1)
FUNCTION
10 hex Function 10 hex (= 16)
DATA
Starting ddress HI
07 hex
Starting address 07d0 hex (= 2000)
Starting address LO
D0 hex
No. of registers HI
00 hex Number of registers 0003 hex (= 3)
No. of registers LO
03 hex
Byte count
06 hex Byte count 06 hex (= 6)
Data HI
00 hex
Data 1 = 0001 hex (= 1). Setting con-
trol word run bit to 1.
Data LO
01 hex
Data HI
00 hex
Data 2 = 0000 hex (= 0). General con-
trol word 0.
Data LO
00 hex
Data HI
13 hex Data 3 = 1388 hex (= 5000), Speed Reference to
50.00%
Data LO
88 hex
ERROR
CHECK
CRC HI
C8 hex CRC field C8CB hex (= 51403)
CRC LO
CB hex
Message frame:
01
10
07
D0
00
03
06
00
01
00
00
13
88
C8
CB
The reply to
Preset Multiple Registers message is the echo of 6 first bytes.
Answer Slave – Master:
ADDRESS
01 hex Slave address 1 hex (= 1)
FUNCTION
10 hex Function 10 hex (= 16)
DATA
Starting ddress HI
07 hex
Starting address 07d0 hex (= 2000)
Starting address LO
D0 hex
No. of registers HI
00 hex Number of registers 0003 hex (= 3)
No. of registers LO
03 hex
ERROR
CHECK
CRC HI
F1 hex CRC F101 hex (= 61697)
CRC LO
01 hex
Reply frame:
01
10
07
D0
00
03
F1
01

Vacon NX OPTC2 Specifications

General

Brand	Vacon
Model	NX OPTC2
Category	Industrial Electrical
Language	English