GE Multilin 869 - Page 35

CHAPTER 4: DNP PROTOCOL DNP DEVICE PROFILE
8 SERIES PROTECTIVE RELAY PLATFORM – COMMUNICATIONS GUIDE 4-9
Others:
Transmission Delay: No intentional delay
Need Time Interval: Configurable (default = 24 hrs.)
Select/Operate Arm Timeout: 10 s
Binary input change scanning period: 8 times per power system cycle
Analog input change scanning period: 500 ms
Counter change scanning period: 500 ms
Frozen counter event scanning period: 500 ms
Sends/Executes Control Operations:
WRITE Binary Outputs ⊠ Never □ Always □ Sometimes □ Configurable
SELECT/OPERATE □ Never ⊠ Always □ Sometimes □ Configurable
DIRECT OPERATE □ Never ⊠ Always □ Sometimes □ Configurable
DIRECT OPERATE – NO ACK □ Never ⊠ Always □ Sometimes □ Configurable
Count > 1 ⊠ Never □ Always □ Sometimes □ Configurable
Pulse On □ Never □ Always ⊠ Sometimes □ Configurable
Pulse Off □ Never □ Always ⊠ Sometimes □ Configurable
Latch On □ Never □ Always ⊠
Sometimes □ Configurable
Latch Off □ Never □ Always ⊠ Sometimes □ Configurable
Queue ⊠ Never □ Always □ Sometimes □ Configurable
Clear Queue ⊠ Never □ Always □ Sometimes □ Configurable
Explanation of ‘Sometimes’: Object 12 points are mapped to Virtual Inputs and Commands (Force
Coils). Both “Pulse On” and “Latch On” operations perform the same function in the 8 Series relay ;
that is, the appropriate Virtual Input or Coil is put into the “On” state. The On/Off times and Count
value are ignored. “Pulse Off” and “Latch Off” operations put the appropriate Virtual Input or Coil into
the “Off” state. “Trip” and “Close” operations both put the appropriate Virtual Input or coil into the
“On” state if a paired mapping is set, otherwise “Trip” will put into “Off” and “Close” will put into “On”.
Reports Binary Input Change Events when no
specific variation requested:
□ Never
⊠ Only time-tagged
□ Only non-time-tagged
□ Configurable
Reports time-tagged Binary Input Change
Events when no specific variation requested:
□ Never
⊠ Binary Input Change With Time
□ Binary Input Change With Relative Time
□ Configurable (attach explanation)
Sends Unsolicited Responses:
□ Never
□ Configurable
□ Only certain objects
⊠ Sometimes
⊠ ENABLE/DISABLE unsolicited Function codes
supported
Sends Static Data in Unsolicited Responses:
⊠ Never
□ When Device Restarts
□ When Status Flags Change
No other options are permitted.
Explanation of ‘Sometimes’: It will be disabled
for RS-485 applications, since there is no collision
avoidance mechanism. For Ethernet
communication it will be available and it can be
disabled or enabled with the proper function
code.
Default Counter Object/Variation:
□ No Counters Reported
□ Configurable (attach explanation)
⊠
Default Object: 20
Default Variation: 1
⊠ Point-by-point list attached
Counters Roll Over at:
□ No Counters Reported
□ Configurable (attach explanation)
⊠ 16 Bits
□ 32 Bits
□ Other Value: _____
⊠ Point-by-point list attached
Sends Multi-Fragment Responses:
⊠ Yes
□ No
DNP 3.0 Device Profile