Rockwell Automation 440R MSR300 Modular Safety Control System User Manual
Page 77
 
MSR300 Safety System Manual
 
Rockwell Automation 
MSR300 Manual.doc
Pg 77 of 85
 
 
9.2 RS232 
Unidirectional
 
Baud rate: 4800 
Circle time: 1s 
Data transmission without query 
 
Byte 
No. 
Name Function
Value
1 Start
byte ---
0x02
2
Device status
Bit 7 + Bit 6: 
00 = Jumper Y40 – Y41–Y42 
01 = Jumper Y40 - Y41 
10 = Jumper Y40 - Y42 
11 = Y41 und Y42 open 
Bit 5: Group 3 active 
Bit 4: Group 2 active 
Bit 3: Group 1 active 
Bit 2: Group 3 ready 
Bit 1: Group 2 ready 
Bit 0: Group 1 ready 
0x00 … 0xFF 
 
3
Device status 2 Bit 7: Internal fault
Bit 6: Cross loop 
Bit 5: Group 3 interrupted 
Bit 4: Group 2 interrupted 
Bit 3: Group 1 interrupted 
Bit 2: Group 3 EDM loop closed 
Bit 1: Group 2 EDM loop closed 
Bit 0: Group 1 EDM loop closed 
0x00 … 0xFF 
 
4
Input status 1
Bit 7: Extension module 4 Input 2 interrupted 
Bit 6: Extension module 4 Input 1 interrupted 
Bit 5: Extension module 3 Input 2 interrupted 
Bit 4: Extension module 3 Input 1 interrupted 
Bit 3: Extension module 2 Input 2 interrupted 
Bit 2: Extension module 2 Input 1 interrupted 
Bit 1: Extension module 1 Input 2 interrupted 
Bit 0: Extension module 1 Input 1 interrupted 
0x00 … 0xFF 
 
5
Input status 2
Bit 7: Extension module 8 Input 2 interrupted 
Bit 6: Extension module 8 Input 1 interrupted 
Bit 5: Extension module 7 Input 2 interrupted 
Bit 4: Extension module 7 Input 1 interrupted 
Bit 3: Extension module 6 Input 2 interrupted 
Bit 2: Extension module 6 Input 1 interrupted 
Bit 1: Extension module 5 Input 2 interrupted 
Bit 0: Extension module 5 Input 1 interrupted 
0x00 … 0xFF