2.3.4.2 Binary Output Status Points and Control Output Blocks
The following table lists both the Binary Output Status Point (Object 10) and the Control Relay Output
Blocks (Objects 12).
Binary Output Status Points
Object Number: 10
Request Function Codes supported: 1 (read)
Default Variation reported when variation 0 requested: 2 (Binary Output Status)
Control Relay Output Blocks
Object Number: 12
Request Function Codes supported: 3 (select), 4 (operate),5 (direct operate), 6 (direct operate, noack)
Point
Index
Name/Description Initial status
value
Supported control relay
output block fields
0 LED Reset 0 Pulse ON
1 Trip 0 Pulse ON
2 Close 0 Pulse ON
5 Output 3 0 Pulse ON
6 Output 4 0 Pulse ON
7 Output 5 0 Pulse ON
8 Output 6 0 Pulse ON
2.3.4.3 Binary Counters
The following table lists Binary Counters (Object 20). Every binary counter points are included in class
0 polls because they are included in one of classes 1, 2 or 3.
Binary Counters
Static (Steady-State) Object Number: 20
Change Event Object Number: 22
Request Function Codes supported: 1 (read)
Static Variation reported when variation 0 requested: 5 (32-bit, unsigned integer count value without flag)
Change Event Variation reported when variation 0 requested: 1 (32-bit, unsigned integer count value, with
flag)
Point
Index
Name/Description Initial value Initial Change
Event Class (1, 2, 3 or none)
0 TC 0 3
1 BOC 0 3
2 Number of Thermal Trip 0 3
3 Authorised hot start number 0 3
Authorised cold start number
5 Total Number of starts 0 3
6 Total number of emergency restarts 0 3