
B: Modbus Map and Retrieving Logs
Doc# E149701 MM-17
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Description (Note 1) Format Range (Note 6) Units or Resolution Comments # Reg
Modbus Address
Hex Decimal
read-only except as indicated
2757 - 2757 10072 - 10072 Digital Input States UINT16 bit-mapped
-------- 22221111
Two nibble fields: (2222) for input#2 and (1111) for input
#1.
Lsb in each nibble is the current state of the input. Msb
in each nibble is the oldest registered state.
1
2758 - 2758 10073 - 10073 Digital Relay States UINT16 bit-mapped
-------- --ab--cd
If "a" is 1 then state of Relay#2 is unknown, otherwise
state of Relay#2 is in "c": (1=tripped, 0=released).
If "b" is 1 then state of Relay#1 is unknown, otherwise
state of Relay#1 is in "d": (1=tripped, 0=released).
1
2759 - 2759 10074 - 10074 Turn relay on UINT16 bit-mapped
-------- ------21
Writing a 1 in bit N turns relay N+1 ON (this register is
writeable only in privileged session)
1
275A - 275A 10075 - 10075 Turn relay off UINT16 bit-mapped
-------- ------21
Writing a 1 in bit N turns relay N+1 OFF (this register is
writeable only in privileged session)
1
275B - 275B 10076 - 10076 Trip/Release delay timer for Relay 1 UINT16 0 to 9999 0.1 sec time to trip or release 1
275C - 275C 10077 - 10077 Trip/Release delay timer for Relay 2 UINT16 0 to 9999 0.1 sec time to trip or release 1
275D - 275E 10078 - 10079 Reserved Reserved 2
275F - 275F 10080 - 10080 Input 1 Accumulator, Scaled UINT16 0 to 9999 1
2760 - 2760 10081 - 10081 Input 2 Accumulator, Scaled UINT16 0 to 9999 1
2761 - 2762 10082 - 10083 Reserved Reserved 2
2763 - 2763 10084 - 10084 Relay 1 Accumulator, Scaled UINT16 0 to 9999 1
2764 - 2764 10085 - 10085 Relay 2 Accumulator, Scaled UINT16 0 to 9999 1
2765 - 2790 10086 - 10129 Reserved Reserved 44
Block Size: 58
read-only except as indicated
2757 - 2757 10072 - 10072 Digital Input States UINT16 bit-mapped
dddd cccc bbbb aaaa
Nibble "dddd" for input#4, "cccc" for input#3, "bbbb" for
input#2 and "aaaa" for input#1.
Within each field, rightmost bit is the current state
(1=closed, 0=open), and bits at left are the older states
100ms apart. (historical states)
Example:
xxxx xxxx xxxx 0011
Current state of input#1 is closed, before that it was
closed too, before that it was open and the oldest state
known is open.
1
2758 - 2758 10073 - 10073 Digital Output States UINT16 bit-mapped
-------- ----4321
One bit for each output. Bit 4 is for output #4, and bit 1 is
for output #1. If a bit is set the output is closed,
otherwise it is opened.
1
2759 - 2759 10074 - 10074 Pulse Output Test Select UINT16 bit-mapped
-------- ----4321
Write 1 to a bit to set its corresponding Pulse Output into
test mode. Write 0 to restore it to normal operation. A
privileged session is required to write the bits. Reading
this register reports the mode for each output (1=under
test, 0=normal).
1
275A - 275A 10075 - 10075 Pulse Output Test Power UINT16 bit-mapped
ddvvvvvv vvvvvvvv
This register is Writeable in privileged session only.
Simulates constant Power for the Pulse Output under
test. Format is same as Kt settings for Pulse Output.
"V" is raw value in Wh/pulse from 0 to 9999.
"dd"=decimal point position: 00=0.XXXX, 01=X.XXX,
10=XX.XX, 11= XXX.X
1
275B - 275E 10076 - 10079 Reserved Reserved 4
Expansions for Data and Control Block for Option Card 1
Data and Control Block -- Digital I/O Relay Card Overlay (Note 15)
Data and Control Block -- Digital I/O Pulse Output Card Overlay (Note 15)
resolution is 1, 10, 100, 1000,
10000, or 100000 counts
Disabled accumulators always read 0.
resolution is 1, 10, 100, 1000,
10000, or 100000 counts
Disabled accumulators always read 0.
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