DPC Touch User Manual
16
6.6
Job example
A simple job may contain only a Fastening step, which will assure screws counting and tool position
control functions.
Example below illustrates a job for management of an automated station with multiple sensors and
actuators.
This job uses 5 logical inputs, 4 logical outputs, 7 messages (text and/or image) and 2 fastening steps.
No
Step type
Step functions
1
Message
Text or Image message appears on the screen to indicate what workpiece has
to be assembled. Image stays on the screen until replaced by next message or
until screen is touched.
2
Logical In
Three input signals (active high) are expected from proximity switch to detect
presence of the workpiece on the table and from two buttons which operator
has to press simultaneously in order to keep his hands off the clamping device.
3
Message
Text or Image message is shown on the screen to worn the operator about
closing clamping device.
4
Delay
A short delay is used before activation of the clamping device.
5
Logical Out
Two output signals (continuous) are sent to activate the clamping device to
lock the workpiece on the table and to turn on assembly status light.
6
Message
Text or Image message is shown on the screen to indicate parts to be picked
7
Logical Out
One output signal (continuous) is sent to turn on pick to light indicator 1
8
Logical In
One input signal (active high) is expected for picking verification by sensor 1
9
Logical Out
Pick to light indicator 1 is turned off once picking is performed
10
Message
Text or Image message is shown on the screen to indicate first fastening
operations to be performed.
11
Fastening
First fastening operations are performed, screws are counted and tool position
is assured.
12
Message
Text or Image message is shown on the screen to indicate parts to be picked
13
Logical Out
One output signal (continuous) is sent to turn on pick to light indicator 2
14
Logical In
One input signal (active high) is expected for picking verification by sensor 2
15
Logical Out
Pick to light indicator 2 is turned off once picking is performed
16
Message
Another message is shown on the screen to indicate second fastening
operations to be performed.
17
Fastening
Second fastening operations are performed, screws are counted and tool
position is assured.
18
Logical Out
Two output signals are disabled to open the clamping device and to turn off
assembly status light.
19
Message
Job completion message
20
Delay
Delay before the job is restarted