This example shows the value of a typical digital Output tag. It has two states, Run and Stopped. The tag controls a Supply Fan to an air handler unit. Modbus Protocol is used.
Tag Type |
Point (discrete) |
Tag Name |
FAN_START101 |
Description |
AHU 101 Supply Fan |
Scan Type |
Constant Scan |
Address |
00101 |
Conversion Code |
Unsigned Integer |
Start Bit |
1 |
Length |
1 |
Signal Reverse |
No |
Log Data |
No |
Data Log DB |
0 |
Write Change Log |
Yes |
Read Only |
No |
Keep Previous Value |
No |
Value |
0 |
Security Area |
0 |
Security Level |
0 |
State 0 |
STOP |
State 1 |
RUN |
State 2 |
Not Used |
State 3 |
Not Used |
State 4 |
Not Used |
State 5 |
Not Used |
State 6 |
Not Used |
State 7 |
Not Used |
Array Size |
0 |
Alarm Data |
|
Alarm Priority |
1 |
Alarm State |
0 |
Alarm Graph |
2ductAHU .bgr |