B.13
Date Code 20171021 Instruction Manual SEL-421 Relay
Converting Settings From SEL-421-0, -1, -2, -3 to SEL-421-4, -5
DNP3 Mapping Changes
Analog Outputs
Ethernet DNP Map Value Changes
The previous Ethernet DNP map was based on database references. The new
DNP mapping uses direct data labels. The following sections describe how to get
from the reference database mapping to the new direct data labels.
Binary Inputs
In the old mapping, any bit in the database could be referenced for use by DNP.
Now, only Relay Word bits and a few other special bits can be used. The old ref-
erence format looked like 1:addr:bit. If addr is 3004h or greater, but not greater
than 4000h, then the bits can be associated with the old Relay Word. Address
3004h corresponds to Relay Word 0, 3005h to Row 1, etc. The bits are simply
references in the range 0–7 and match the bits within the Relay Word row. Thus,
the Relay Word bits can be mapped to labels by using the old Relay Word table
and correcting for any label changes.
212 AMV017
213 AMV018
214 AMV019
215 AMV020
216 AMV021
217 AMV022
218 AMV023
219 AMV024
220 AMV025
221 AMV026
222 AMV027
223 AMV028
224 AMV029
225 AMV030
226 AMV031
227 AMV032
Table B.11 Analog Inputs Point Mapping (Sheet 5 of 5)
Numeric Reference Label Reference Notes
Table B.12 Analog Outputs Point Mapping
Numeric Reference Label Reference Notes
0ACTGRP
1 TECORR
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