ATI
MetriNet Ethernet/IP Communications Manual
31
O&M Manual
Rev-A (6/19)
Click to highlight “Offline” under Q46, add the item as shown. The entered “Item
Name” is the CIP direct path to Class 4, Instance 101, Attribute 3, and the added
“arr16” indicates that we expect an array of 16-bit values. Select “Add Item” then
“OK” and the following data should appear on the screen.
Figure 20 – OPC Running On Active Node Data
Note the data, this example is run with one single S1 Q32C2 M-Node attached,
so all other sensor data beyond it will be zero. This is an array of 16-bit words.
The data is a string of bytes starting with the info structure (Input Assembly
Object) which was shown on page 16-17. Here, we will look only at the System
info, and then the info for S1 –
System Info
Bytes
Data Type
Description
0–1
WORD
Interface Status Flags
2–3
WORD
System Status 1 Flags
4–5
WORD
System Status 2 Flags
6–7
UINT
Number of Sensors
8–9
UINT
IP Address High
10–11
UINT
IP Address Low
12–13
UINT
Subnet Mask High
14–15
UINT
Subnet Mask Low
16–17
UINT
Gateway High
18–19
UINT
Gateway Low