Section 3
1MAC052634-MB D
Vendor-specific implementation
28
615/620 series ANSI
Communication Protocol Manual
Table 17:
16 bit SSR4 register
3.3.7.5
SSR5
SSR5 is a device alive counter. SSR5 simply counts upwards from 0 to 65535 and then
starts over. The meaning of this register is to assure that the device is actually operating.
3.3.7.6
SSR6
SSR6 is a last command register. This client dependent SSR6 register shows the result of
a specific client's last write attempt. This is especially useful if the exception code 03
appears or if the command initiates a secured control operation. The client will only see its
own results, not the results of other clients. A client with no write authority will receive a
0x0000 value response when reading this register.
Table 18:
16 bit SSR6 register
ClientCmdSEQNo
Counts the client's control operations from 0000...1111, that is 0...15, and then starts over.
CmdState
00 = No write command has ever been issued by this client
01 = Command in progress
11 = Response Ready
Bit
Meaning
Data category
0
Data in category 1 changed
1 = Physical inputs
1
Data in category 2 changed
1 = Protection function pickup/trip
2
Data in category 3 changed
1 = LED Alarm
3
Data in category 4 changed
1 = New disturbance record available
4
Data in category 5 changed
1 = New demand values
5
Data in category 6 changed
1 = New peak demand values
6
Data in category 7 changed
0
7
Data in category 8 changed
0
8
Data in category 9 changed
0
9
Data in category 10 changed
0
10
Data in category 11 changed
0
11
Data in category 12 changed
0
12
Data in category 13 changed
0
13
Data in category 14 changed
0
14
Data in category 15 changed
0
15
Data in category 16 changed
0
ClientCmdSEQNo
Cmd State
Resp Type CMDResultCode
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0