Siemens SIMATIC MV550 S Operating Instructions Manual page 127

Bit
2
3
4
5
6
7
The signals only work if "DISA = 1".
1)
Table 9- 34
Bit
0
1
2
3
4
5
6
7
SIMATIC MV500
Operating Instructions, 05/2019, C79000-G8976-C494-02
Signal Description
SEL1 Select 1
1)
Program selection bit 1 (with TRN = 0) / save program (with TRN = 1)
SEL2 Select 2
1)
Program selection bit 2
SEL3 Select 3
1)
Program selection bit 3
TRN Save program
1)
Saves new program.
TRG Trigger
Processing starts on a positive edge.
RES Reset
Reset error.
Assignment of status byte (output signals)
Signal Description
IN_OP In operation
0: Error message is displayed.
•
1: Optical reader functional, no error
•
TRD Program saved
In run:
•
–
–
With Save program (TRN = 1)
•
–
–
RDY Ready
0: Startup of the optical reader or optical reader in the "Stop"
•
1: Optical reader in "Start"
•
READ Processing result
Code was localized and decoded.
MATCH Processing result
Code matches the trained code.
N_OK Code was not legible.
- Current status of the trigger input
- Reserved
Process interfacing via an automation system (PLC, PC)
0: Selected program is not saved.
1: Selected program has been saved.
0: Save program active
1: Acknowledgment signal (RDY = 0)
9.4 Control with FB 79
127