COTRUST CTH200 Series User Manual

Applications
140
Using a standard cable to connect the PC with UDP_PPI master (CTH200).
Step 2: Set communication
Create a new project in MagicWorks PLC and add a CTH200 station, refer to chapter 2.2
Communicate with CTH200 PLC Communication Settings to establish a communication
connection between CTH200 PLC and PC.
Step 3: Program for UDP_PPI master (CTH200)
There are two methods to Read/Write the UDP_PPI Master.
Using UDP_NETR/UDP_NETW Instructions to program for the UDP_PPI Master
Parameter table for UDP_NETR/UDP_NETW Instruction:
D
A
E
0
Error Code
0
The 1st byte for IP Address
1
The 2nd byte for IP Address
2
The 3rd byte for IP Address
3
The 4th byte for IP Address
4
The upper byte for port number
5
The lower byte for port number
6
The 1st byte for remote station pointer <I, Q, M, V, DB> (4 bytes)
7
The 2nd byte for remote station pointer
8
The 3rd byte for remote station pointer
9
The 4th byte for remote station pointer
10
Data length
11
Data byte 0
12
Data byte 1
13
...
...
Data byte 199
211
D: Done (Function completely), 0= No, 1=Yes
A: Active (function sequence), 0=No, 1=Yes
E: Error, 0=No, 1=Yes
The lower 4 bits of the 1st byte is error code, defined as following:
Error Code
Description
0
No error
1
Timeout Error; no response from remote station
2
Receive error; validation, frame or checksum error in the response
3
Offline error; duplicate address or Conflicts resulted by hardware fault
4
Queue overflow error; activated more than 8 UDP_NETR/UDP_NETW
block
6
illegal parameter; UDP_NETR/UDP_NETW table contains an illegal or
invalid value
7
No resources; the remote station is busy (uploading or downloading
sequences)
8
Error in layer 7; violate the application protocol
9
Information error; Data address error or Data length incorrect

COTRUST CTH200 Series Specifications

General

Brand	COTRUST
Model	CTH200 Series
Category	Controller
Language	English