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„Aktor M ST L Modbus“ Installation
11
101274584-V01.11.2019
5.2 Electrical connections
8
1
9
10
2
3
4
7
12
11
Illust. 3: Electrical connections, DIP switches and
status LED
(1)
Red
(RD)
24 V AC/DC
(2)
Black
(BK)
0 V AC/DC
(3)
Yellow
(YE)
D+
Data line
(4)
Green
(GN)
D-
Data line
(7)
White
(WH)
P1
Universal input 1
(8)
Violet
(VT)
GND Universal input 1 earth
(9)
Grey
(GY)
P2
Universal input 2
(10)
Pink
(PK)
GND Universal input 2 earth
(11)
DIP switch panel
(12)
Status LED
YE
0 V AC/DC
RD BK
24 V AC/DC
D+
D-
GN
M
1 2 3 4
7 8 9 10
GND
GND
P2
P1
VT
WH
GY PK
Illust. 4: Connection diagram
NOTICE
Short circuit due to dripping water
f
Do not feed the cable in from the top.
1. Remove the casing cover.
2.
Connect the data lines for the Modbus and, if
required, the lines for the universal inputs according
to the assignment in
3.
Connect the lines for the power supply according to
.
4.
Connect the power supply.
Z
The LED will flash green quickly.
5.3
Configuration of the DIP switches
Address 00 is always occupied by the Modbus
master.
The terminal resistance (120 Ohm) between the
two data lines (D+ and D-) is inactivated ("OFF")
or activated ("ON") via DIP switch 8.
f
Make sure that both ends of the bus are
terminated by a terminal resistance.
1. Remove the casing cover.
2.
Configure the DIP switches according to the desired
Modbus address.