ABB CMS-700 User Manual page 14

—
Measurements and Events definition
—
Events
If a measurement object (e.g. TRMS current of a branch) crosses predefined threshold conditions
(value, direction and delay time) then an event is registered.
Following options linked to events logging are available:
• Visualization of all detected events in WebUi
• Reading event/alarm status through Modbus register
• Export via FTP and Email
In order to configure an event, specifications of the following are required:
• The threshold value
• Indication of cross direction (cross up, cross down)
• Indication of delay time
Events can be linked both to mains and branches object values:
Branches
Object
no Alarm
Current TRMS
Current TRMS
Active power P
Active power P
Mains
Objekt
no Alarm
I
I
THD-I
THD-I
U
U
THD-U
THD-U
P
P
S
S
Q
Q
Power factor
Power factor
Active Energy
Active Energy
The type of event is available on Modbus map as Alarm Status. Resolution refers to the accuracy with
which the value is defined. If several events occur for the same main or branch, the newest one will be
given out via Modbus.
Three register blocks are available in the Modbus register map:
• only object type with alarm code
• object type with alarm code and threshold value
• number of currently active alarms
Unit Alarm cross
Status up/down
0
A 11 up
A 12 down
W 41 up
W 42 down
Unit Alarm cross
Status up/down
0
A 11 up
A 12 down
% 21 up
% 22 down
V 31 up
V 32 down
% 41 up
% 42 down
W 51 up
W 52 down
VA 61 up
VA 62 down
var 71 up
var 72 down
- 81 up
- 82 down
Wh 121 up
Wh 122 down
Resolution Format
Threshold
0.01 unsigned
0.01 unsigned
1 unsigned
1 unsigned
Resolution Format L1
Threshold
x
0.01 unsigned x
0.01 unsigned x
0.01 unsigned x
0.01 unsigned x
0.01 unsigned x
0.01 unsigned x
0.01 unsigned x
0.01 unsigned x
1 singed x
1 singed x
1 unsigned x
1 unsigned x
1 signed x
1 signed x
0.01 singed x
0.01 singed x
10 singed x
10 singed x
13
L2 L3 N
x x x
x x x
x x x
x x x
x x x
x x
x x
x x
x x
x x
x x
x x
x x
x x
x x
x x
x x
x x
x x