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Installation
Serial Communications Specifications
Max baud rate
19.2k
Start bit
1
Stop bit
Parity
none
Data
8
Modbus Communications
The E Series Drive's serial communication protocol is Modbus RTU slave with
a 32 bit data extension. The Modbus protocol is available on most operator
interface panels and PLC's.
Emerson Motion Control's Motion Interface panels are supplied with a Modbus
master communications driver.
Multi-Drop Communications
The RS-485 option (pins 4 and 9) is provided for multi-drop configurations.
EMERSON provides a special multi-drop serial cable which allows you to
easily connect two or more E Series Drives.
AT 9 1 t .
J
4
s e n a i c o o n
I
R X ( 2 3 2 1 , 2
T X ( 2 3 2 ) ! 3
1
Ground it 5
Figure 37
45
1 6 , 1 '51qH
D D S . X X x S e r i a l C a b l e
T h e l o r m i n a l i n g r e s i s t o r s s h o u l d
I b e installed on the last E N Drive
I n t h e s t r i n g
terms M i n g l i e s i s l o i B l o c k
E M C M o d e l T E R M - 7
Multi-Drop Wiring Diagram with RS-232 master
41
Содержание Control Techniques EN-204
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