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11. Connection to other devices
11.4 Modbus TCP
Function code
Modbus
Modbus
reg. #
Operand Description
Remark
0x02 (Read dis-
crete input) Max.
512 inputs at once,
8 inputs are
grouped into a
byte
1
I1
Bit input 1
Local inputs base device
…
…
…
8
I8
Bit input 8
17
I17
Expansion bit input
local inputs expansion
…
…
…
128
I128
Expansion bit input
1001
M1
Marker bit 1
…
…
…
1512
M512
Marker bit 512
2001
N1
NET marker bit 1
Only the local NET marker bits
and no marker bits of the other
stations are returned
…
…
…
2512
N512
NET marker bit 512
3001
ID1
Diagnostics bit 1
Diagnostics for base device
…
…
…
3024
ID24
Diagnostics bit 24
0x04 (Read Input
Register) Max. 125
registers at once, 1
register = 2 bytes /
1 word
1
IA1
Value input 1 16Bit
Local analog inputs base
device
…
…
…
8
IA8
Value input 8 16Bit
17
IA17
Value input 16Bit
Local analog inputs expansion
…
…
…
48
IA48
Value input 16Bit
1001
MW1
Marker word 1
…
…
…
1512
MW512
Marker word 512
2001
NW1
NET marker word 1
Only the local NET marker
words will be returned, i.e.,
accessing NET markers from
other nodes is not possible.
NET marker bytes and NET
marker double words can be
calculated based on the NET
marker words.
…
…
…
2032
NW32
NET marker word 32
If a function code is used on Modbus registers that are not listed (gray), a value of 0 or an exception code will be returned.
558
easyE4
11/18 MN050009 EN www.eaton.com
Содержание easyE4 series
Страница 1: ...Manual 11 18 MN050009 EN easyE4 Manual...
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Страница 16: ...12 easyE4 11 18 MN050009 EN www eaton com...
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...
Страница 614: ...610 easyE4 11 18 MN050009 EN www eaton com...