GE 745 TRANSFORMER MANAGEMENT RELAY User Manual

GE Power Management 745 Transformer Management Relay 8-93
8.4 DNP COMMUNICATIONS
8
Notes:
1. The data link layer confirmation mode, confirmation timeout, and number of retries are all configurable.
Refer to the setpoints defined under
S1 745 SETUP / COMMUNICATIONS / DNP
for more details. Additional set-
points related to DNP are discussed in Section 5.3.5: DNP COMMUNICATIONS on page 5–27.
Executes Control Operations:
WRITE Binary Outputs Never
p
Always
p
Sometimes
p
Configurable
SELECT/OPERATE
p
Never Always
p
Sometimes
p
Configurable
DIRECT OPERATE
p
Never Always
p
Sometimes
p
Configurable
DIRECT OPERATE - NO ACK
p
Never Always
p
Sometimes
p
Configurable
Count > 1 Never
p
Always
p
Sometimes
p
Configurable
Pulse On
p
Never
p
Always Sometimes
p
Configurable
Pulse Off Never
p
Always
p
Sometimes
p
Configurable
Latch On
p
Never
p
Always Sometimes
p
Configurable
Latch Off
p
Never
p
Always Sometimes
p
Configurable
(For an explanation of the above, refer to the discussion accompanying the point list for the Binary Output/
Control Relay Output Block objects)
Queue Never
p
Always
p
Sometimes
p
Configurable
Clear Queue Never
p
Always
p
Sometimes
p
Configurable
Reports Binary Input Change Events when no
specific variations requested:
p
Never
Only time-tagged
p
Only non-time-tagged
p
Configurable to send both, one or the other
Reports time-tagged Binary Input Change Events
when no specific variation requested:
p
Never
Binary Input Change With Time
p
Binary Input Change With Relative Time
p
Configurable
Sends Unsolicited Responses:
Never
p
Configurable
p
Only certain objects
p
Sometimes
p
ENABLE/DISABLE UNSOLICITED
Function codes supported
Sends Static Data in Unsolicited Responses:
Never
p
When Device Restarts
p
When Status Flags Change
Default Counter Object/Variation:
No Counters Reported
p
Configurable
p
Default Object
Default Variation
p
Point-by-point list attached
Counters Roll Over at:
No Counters Reported
p
Configurable
p
16 Bits
p
32 Bits
p
Other Value
p
Point-by-point list attached
Sends Multi-Fragment Responses:
p
Yes No
DNP 3.0
DEVICE PROFILE DOCUMENT (Continued)
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GE 745 TRANSFORMER MANAGEMENT RELAY Specifications

General

Brand	GE
Model	745 TRANSFORMER MANAGEMENT RELAY
Category	Relays
Language	English