Side connect status block – ProSoft Technology MVI71-GSC User Manual
Page 54

MVI71-GSC ♦ PLC Platform
Reference
Generic Serial Communication Module
Page 54 of 82
ProSoft Technology, Inc.
January 31, 2008
Ladder logic should be developed to recognize the presence of this condition and
place the status information in a user data file. The example ladder logic displays
this process.
Side Connect Status Block
Status block information informs the processor of the activity and "health" of the
module. When the side-connect interface is used, this data set is automatically
placed in the application file at offset 200. The format of the block is shown
below:
Module Status
Word Offset
Description
200
Program cycle counter
201 to 202
Product name as ASCII string
203 to 204
Revision level as ASCII string
205 to 206
Operating system level as ASCII string
207 to 208
Run number as ASCII string
209
Number of blocks transferred from module to processor
210
Number of blocks transferred from processor to module
211
Number of blocks parsed by module
212
Number of block errors in module
Port 1 Status
Word Offset
Description
213
Port 1 receive state:
-1 = Listening for data
1 = Receiving Port Data
2 = Waiting for Backplane transfer
214
Port 1 receive character count
215
Port 1 receive block count
216
Port 1 transmit state:
0 = Waiting for Data to Send
1 = RTS On
2 = RTS Timeout
3 = Sending data
4 = Waiting for RTS Off
5 = RTS turned off
30 = Intercharacter Delay
31 = Intercharacter Delay
32 = Intercharacter Delay
100 = Message Delay before Transmit
101 = Message Delay before Transmit
217
Port 1 transmit character count
218
Port 1 transmit block count
219
Port 1 error word