Option Parameter Word 17; Bit Table For The Word - Emerson PACSystems RX3i User Manual

User Manual
GFK-2911E
Table 24:
Setting
2
1
5
The Variance of the data is affected by the default setting for the word data type, COMMREQ
parameters [109] and [110].
Effect on the variances of the data by the default setting:
Table 25:
Setting of
[109 or 110]
1
2
3
6.5

Option Parameter Word 17

Table 26:
Parameter
mComreq_Setup[17]

Bit Table for the Word

Table 27:
Bit
1
2
3
4
5
6
7
Configuration of DNP3 outstation Parameters
Data Size Data Words being used.
16-bit Int Use data word 0, Data[0]
32-bit Int Use data word 0 and 1, Data[0],[1] where the low word of data is in [1]
32-bit Float Similar to 32-bit Int, where the lower portion of the data is in [1]
Result
Data is converted to 16-bit Int data, variance 2 works properly; variance 1, when
the value is > 32768, will show an overflow; and variance 5 typically shows
overflow.
Data is converted to 32-bit Int data; variance 1 and 2 work properly; variance 5
shows data only in integer format. However, the format of the AI and AO data
polled in general is converted into 32-bit format.
Data can be in any of the three formats, and can be mixed, showing proper
value and format. However, the format of the AI and AO data polled in general
is converted into 32-bit Real format.
Value
Field Description and values
IIN Related When 1, do not signal master with a restart when the EDS001 starts
Do not signal master with time is needed bit, and do not accept time set
IIN Related
from master
When 1, assume year is 2yk+. When 0 assume a 4-digit year with an
Point Push
epoch of 1970
Protocol Data Link Layer can send multiple frames without asking for confirmation.
Protocol Data Link Layer for any message does not need confirmation
Protocol Application Layer does not need confirmation
Point Push points are not marked as Local Forced in flags field of point on
Point Push
poll
Description
Option Parameters bits as shown in the following table
Chapter 6
Sep 2019
50