OPC UA I/O Series User Manual V4.0 – ICP DAS
44
Singly Setting example: Uncheck “Enable” of “JSON Format”
Here is an example of the lighting control in a factory. Use the I/O points of the U-7555M module to
connect the light switches of Room 1 to 7 in the factory Building-A to monitor/control the on/off of the
room lights. We want to use the
Point-to-Point Setting
, so
uncheck
"Enable"
of the "
JSON Format
". The
following is a parameter example for the settings of
[MQTT Setting] > [Client Setting]
.
Uncheck
the JSON Format to do
the Point-to-Point singly setting (as
the left figure): User needs to set
up each Topic/QoS of Publish/
Subscribe for each I/O channel.
1. Set the Publish Topic of DO0
and set each IO#.
Topic means:
/Building-A/1F/light# of
U-7555M/Topic
2. The level of sending Topic
for each IO#.
level 2: Exactly once
3. Set the Subscribe Topic of
DO0 and set each IO#.
Topic means:
/Building-A/1F/light# of
U-7555M/Topic
4. The level of reading Topic
for each IO#.
level 2: Exactly once
5. Check to set the Broker
retain the message
6. Save all settings.
IO#
Ch.
2
1
3
4
5
1. Set the update frequency for the task data (1000 ms)
2. Do not set the Dead Band, so keep 0.
3. Set disconnect Topic for 1F of Building-A (U-7555M)
4. Set Will message: Disconnection
5.
Uncheck
to Enable JSON format to enter the Pub/Sub
screen page for Group setting.
Summary of Contents for U-7500 Series
Page 13: ...OPC UA I O Series User Manual V4 0 ICP DAS 13 1 4 2 U 7555M Specifications...
Page 14: ...OPC UA I O Series User Manual V4 0 ICP DAS 14 1 4 3 U 7560M Specifications...
Page 15: ...OPC UA I O Series User Manual V4 0 ICP DAS 15 1 4 4 U 7504M Specifications...
Page 16: ...OPC UA I O Series User Manual V4 0 ICP DAS 16 1 4 5 U 7526M Specifications...
Page 18: ...OPC UA I O Series User Manual V4 0 ICP DAS 18 1 5 2 U 7560M Wire Connections Pin Assignments...
Page 47: ...OPC UA I O Series User Manual V4 0 ICP DAS 47 Select an I O point to add a condition rule...