Owner's manual

3-4
IM WX1-05E
Logical Configuration
Item Description Limit
Tag Indicates one data item. 300
Group Assigns tags. Up to 32 tags can be assigned to a group. 50
Logical Configuration Diagram
TAG001
GateMODBUS
TAG002
TAG003
TAG004
TAG200
Tag
Assignments
Group
Group
Acquisition Conditions
The following items are included in the acquisition conditions.
• Data scan interval (0.5–3600 sec)
For information on the data acquisition operation, see page 3-6, “Acquiring Data at
Fixed Intervals.”
• Timeout time (1–10 sec)
• Retry Use (ON/OFF).
•
Retry Interval (30–3600 sec.)
Tag
A tag is a name for a data value. You can use up to 100 tags with GateMODBUS. Data
obtained from the Modbus registers is assigned to each tag. The following items are
included in tag settings.
•
Used serial ports (COM1–COM9) and Ethernet ports (Ether1 to Ether16)
• The read Modbus function (03 or 04)
•
Register numbers read
For Modbus function 03: 40001–49999, 400001–465535
For Modbus function 04: 30001–39999, 300001–365535
• Data Type
See page 3-8, “Data Type.”
• Scaling variable
See page 3-10, “Data Scaling.”
• Decimal place
• Upper/lower span value
• Tag name
• Unit
3.2 Detailed Description of Functions