Iec 60870-5-101 – Rockwell Automation 865 Differential Protection Relay User Manual

Page 140

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7-14 Communications

865-UM001A-EN-P – July 2009

Table 7.11 – DPN 3.0 Parameters

Parameter

Value

Unit

Description

Set

bit/s

4800
9600 (default)
19200
38400

bps

Communication speed

Set

Parity

None (default)
Even
Odd

Parity

Set

SlvAddr

1 – 65519

An unique address for the device
within the system

Set

MstrAddr 1

65519

255=default

Address

of

master

Set

LLTout

0 – 65535

ms

Link layer confirmation timeout

Set

LLRetry 1

255

1=default

Link layer retry count

Set

APLTout 0

65535

5000=default

ms

Application layer confirmation
timeout

Set

CnfMode

EvOnly (default)
All

Application layer confirmation
mode

Set

DBISup

No (default)
Yes

Double-bit input support

Set

SyncMode

0 – 65535

s

Clock synchronization request
interval.
0 = only at boot

Set

Set = An editable parameter (password needed)

IEC

60870-5-101

The IEC 60870-5-101 standard is derived from the IEC 60870-5
protocol standard definition. In the Allen-Bradley 865 devices, IEC
60870-5-101 communication protocol is available via menu
selection. The Allen-Bradley unit works as a controlled outstation
(slave) unit in unbalanced mode.

Supported application functions include process data transmission,
event transmission, command transmission, general interrogation,
clock synchronization, transmission of integrated totals, and
acquisition of transmission delay.

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