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E.41
Date Code 20081022
Instruction Manual
SEL-787 Relay
Modbus RTU Communications
Modbus Register Map
777 (R)
VB THD
A
0
65535
0
1
877
778 (R)
VC THD
A
0
65535
0
1
878
779 (R)
VAB THD
A
0
65535
0
1
879
780 (R)
VBC THD
A
0
65535
0
1
880
781 (R)
VCA THD
A
0
65535
0
1
881
RTD Data
782 (R)
MAX AMBIENT RTD
degC
-32768
32767
0
1
882
7FFFh = Open
8000h = Short
7FFCh = Comm Fail
7FF8h = Stat Fail
7FFEh = Fail
7FF0h = NA
783 (R)
MAX OTHER RTD
degC
-32768
32767
0
1
883
784 (R)
RTD1 degC
-32768
32767
0
1
884
785 (R)
RTD2 degC
-32768
32767
0
1
885
786 (R)
RTD3
degC
-32768
32767
0
1
886
787 (R)
RTD4
degC
-32768
32767
0
1
887
788 (R)
RTD5
degC
-32768
32767
0
1
888
789 (R)
RTD6
degC
-32768
32767
0
1
889
790 (R)
RTD7
degC
-32768
32767
0
1
890
791 (R)
RTD8
degC
-32768
32767
0
1
891
792 (R)
RTD9
degC
-32768
32767
0
1
892
793 (R)
RTD10
degC
-32768
32767
0
1
893
794 (R)
RTD11
degC
-32768
32767
0
1
894
795 (R)
RTD12
degC
-32768
32767
0
1
895
796–806 (R)
Reserved
0
0
0
896–906
RMS Data
807 (R)
IAW1 RMS
A
0
65535
0
1
907
808 (R)
IBW1 RMS
A
0
65535
0
1
908
809 (R)
ICW1 RMS
A
0
65535
0
1
909
810 (R)
IAW2 RMS
A
0
65535
0
1
910
811 (R)
IBW2 RMS
A
0
65535
0
1
911
812 (R)
ICW2 RMS
A
0
65535
0
1
912
813 (R)
IN RMS
A
0
65535
0
1
913
814 (R)
VA RMS
V
0
65535
0
1
914
815 (R)
VB RMS
V
0
65535
0
1
915
816 (R)
VC RMS
V
0
65535
0
1
916
817 (R)
VAB RMS
V
0
65535
0
1
917
818 (R)
VBC RMS
V
0
65535
0
1
918
819 (R)
VCA RMS
V
0
65535
0
1
919
Table E.32
Modbus Register Map
a
(Sheet 20 of 38)
Modbus Register
Address
b
Name / Enums
Units
Min
Max
Def
Scale
Factor
DeviceNet
Parameter
Numbers
Содержание SEL-787
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