Eaton easyE4 User Manual

6. Function blocks
6.1 Manufacturer function blocks
Function code
Modbus
Modbus
reg. #
Operand Description Remark
8001
NW1
loc. 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 cal-
culated
based on the
NET marker
words.
….
…
…



8032
NW32
loc. 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.

Function code
Modbus
Modbus
reg.#
Operand Description Remark
0x05
(Write Single Coil, FC5)
0x0F
(Write Multiple Coils,
FC15)
56001
M1
Marker bit 1 


…
…
…
56512
M512
Marker bit 512

58001
N1
loc. NET marker bit 1
Only the
local NET
marker bits
can be writ-
ten to
(marker
bits for
other mod-
ules cannot
be written
to)
…
…
…
58512
N512
loc. NET marker bit 512
Tab. 87: How the Modbus registers and write data for the Modbus slave are mapped easyE4
easyE402/24 MN050009ENEaton.com
551

Eaton easyE4 Specifications

General

Brand	Eaton
Model	easyE4
Category	Relays
Language	English