Siemens SIMATIC VS130 Series, Руководство пользователя

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Controlling with a PLC
Vision Sensor VS 130
A5E00199459-01
6-7
6.2.2 Assignment of the Interface of the Processing Unit with
Relevance for PROFIBUS DP
Control Byte
Bit
No. Correspon
ds to
Signal Function
0 DISA Disable: Disable manual control panel input, model selection and
train over PROFIBUS DP
1 SEL0 Select 0: Code selection: bit 0
2 SEL1 Select 1: Code selection bit 1 (if TRN=0) / train code (if TRN=1)
3 SEL2 Select 2: Code selection: bit 2
4 SEL3 Select 3: Code selection bit 3
5 TRN Train: Train new code
6 TRG Trigger: An evaluation is started on the positive-going edge
7 RES Reset: Reset error
Status byte
Bit
No. Correspon
ds to
Signal Function
0 IN_OP In Operation:
•
0 = error message is displayed.
•
1 = SIMATIC VS 130 functional, no errors
1 TRD Trained:
•
In Run:
- 0 = selected code has not been trained
- 1 = selected code has been trained
•
In Training (TRN=1)
- 0 = training active
- 1 = acknowledgment signal (RDY=0)
2 RDY Ready:
•
0 = device startup or SIMATIC VS 130 in Stop
•
1 = SIMATIC VS 130 in Run
3 READ Result of evaluation: Code was localized and decoded.
4 MATCH Result of evaluation: Code matches learned code.
5 N_OK Code was not legible.
6 - reserved
7 - reserved
Note
Writing the control byte and reading and evaluating the status byte must be
analogous to the time diagrams in Section 6.1.2.