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11. Connection to other devices
11.4 Modbus TCP
11.4.4 Modbus map
Function code
Modbus
Modbus
reg. #
Operand Description
Remark
0x01
(Read Coil)
Max. 512 coils at
once,
8 coils are
grouped into a
byte
1
Q1
Bit output 1
Local outputs base device
…
…
…
4
Q4
Bit output 4
17
Q17
Expansion
Bit output
Local outputs expansion
…
…
…
128
Q128
Expansion
Bit output
1001
M1
Marker bit 1
...
…
…
1512
M512
Marker bit 512
2001
N1
NET marker bit 1
Only the local NET marker bits
are returned
…
…
…
2512
N512
loc. NET marker bit 512
0x03
(Read Holding
Register)
Max. 125 registers
at once,
1 register =
2 byte/1word
1
QA1
16-bit analog output 1
Local analog outputs base
device
…
…
…
4
QA4
16-bit analog output 4
5
QA5
Expansion 16-bit analog
output
Local analog outputs expansion
…
…
…
148
QA48
Expansion 16-bit analog
output
1001
MW1
Marker word 1
…
…
…
1512
MW512
Marker word 512
2001
NW1
loc. Net marker word 1
Only local NET marker words
will be returned, i.e., no double
words, no bytes, and no mark-
ers from the other stations will
be returned
…
…
…
2032
NW32
NET marker word 32
5000
RTC (second)
5000: Seconds; 5001: Minutes;
5002: Hours; 5003: Day; 5004:
Month; 5005: Year
….
…
…
5005
RTC (year)
Table 105: How the Modbus registers and read data for the Modbus server are mapped easyE4 control relays
easyE4
11/18 MN050009 EN www.eaton.com
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Содержание easyE4 series
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Страница 22: ...0 1 About this manual 18 easyE4 11 18 MN050009 EN www eaton com...
Страница 40: ...1 easyE4 control relays description 1 10 Safety regulations 36 easyE4 11 18 MN050009 EN www eaton com...
Страница 169: ...easyE4 11 18 MN050009 EN www eaton com 165...
Страница 462: ...6 Function blocks 6 4 Timing and counter relay example 458 easyE4 11 18 MN050009 EN www eaton com...
Страница 490: ...7 System settings 7 16 Time and Date setting 486 easyE4 11 18 MN050009 EN www eaton com...
Страница 520: ...9 easyE4 inside 9 7 NET network 516 easyE4 11 18 MN050009 EN www eaton com...
Страница 524: ...10 Diagnostics messages of the operating system 10 2 Diagnostics buffer 520 easyE4 11 18 MN050009 EN www eaton com...
Страница 570: ...11 Connection to other devices 11 6 E mail function 566 easyE4 11 18 MN050009 EN www eaton com...
Страница 578: ...12 Faults 12 4 Functionality of the NET faulty 574 easyE4 11 18 MN050009 EN www eaton com...
Страница 582: ...13 Maintenance 13 3 Storage transport and disposal 578 easyE4 11 18 MN050009 EN www eaton com...
Страница 594: ...590 easyE4 11 18 MN050009 EN www eaton com...
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