ERL 8700/BUS, User Manual, Page: 131 / 166

D01908R02.12 B-PRO User Manual 8700 Appendix F-1
Appendix F DNP3 Communication Protocol
Device Profile The DNP3 SCADA protocol is available through a direct serial link (Port 3) or
the Ethernet LAN over the TCP or UDP protocols (network card required). All
metering values available through the terminal user interface are available by
DNP3 protocol. Included are the device profile, implementation table and the
point list for the DNP3 protocol.
Vendor Name: ERLPhase Corporation Device Name: Relay Model #
Highest DNP Level Supported: Device Function:
For Requests: 2 _ Master
For Responses: 2 x Slave
Maximum Data Link Frame Size (octets): Maximum Application Frame Size (octets):
Transmitted: 292 Transmitted: 2048
Received: 292 Received: 2048
Maximum Data Link Re-tries: Maximum Application Layer Re-tries:
_ None x None
x Fixed at 3 _ Configurable, range __ to __
_ Configurable, range __ to __
Requires Data Link Layer Confirmation:
Requires Application Layer Confirmation:
_ Never _ Never
_ Always _ Always (not recommended)
_ Sometimes x When reporting Event Data (Slave)
x Configurable, either always or never x When sending multi-fragment responses
(Slave)
_ Sometimes
_ Configurable
Timeouts (in seconds) while waiting for:
Data Link Confirm
__None x Fixed at 2
Complete Application Fragment x None __Fixed at 2
Application Confirm __None x Fixed at 5
Complete Application Response x None __Fixed at 2
Others__________________________
Select to execute delay
__None x Fixed at 10
Sends/Executes Control Operations:
WRITE Binary Outputs
x Never __Always
SELECT/OPERATE __Never x Always
DIRECT OPERATE __Never x Always
DIRECT OPERATE No ACK __Never x Always
Count > 1 x Never __Always
Pulse On __Never x Always
Pulse Off x Never __Always
Latch On __Never x Always
Latch Off __Never x Always
Queue x Never __Always
Clear Queue x Never __Always
Maximum number of control objects per request: 16
Notes:
Control Trip/Close - Code Combination supported:
Latch On/NUL
Latch Off/NUL
Pulse On/NUL (Pulse duration fixed at 1 s)
Report Binary Input Change Events when no spe-
cific variation requested:
Reports time-tagged Binary Input Change
Events when no specific variation requested
__Never __Never
__Only time-tagged x Binary Input Change with Time
x Only non-time-tagged _ Binary Input Change with Relative Time
_ Configurable to send both, one or the other _ Configurable
Sends Unsolicited Response: Sends Static Data in Unsolicited Responses:
x Never x Never
_ Configurable _ When Device Restarts
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