Assignments For Profibus Dp / Profinet Io-Relevant Interfaces For The Processing Unit; Control Byte - Siemens SIMATIC VS120 Operating Instructions Manual

10.4.2 Assignments for PROFIBUS DP / PROFINET IO-relevant interfaces for the
processing unit
10.4.2.1

Control byte

Bit no.
0
1
2
3
4
5
6
7
Note
The TRG and RES signals (bits no.6 and 7) are effective regardless of the DISA signal
(bit no. 0).
Vision Sensor SIMATIC VS120
Operating Instructions, Edition 02/2006, A5E00757507-01
Signal Function
DISA Disable: Disable manual keypad input, model selection via
PROFIBUS DP / PROFINET IO
SEL0 Select 0: Model selection bit 0
SEL1 Select 1: Model selection bit 1
SEL2 Select 2: Model selection bit 2
SEL3 Select 3: Model selection bit 3
- Not assigned
TRG Trigger: Image recording and start of processing
RES Reset: Reset error on positive-going edge
Process interfacing over an automation system (PLC, PC)
10.4 Control over PROFIBUS DP and PROFINET IO
10-11