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3
Description of the Modules
Head Station
3.1
3.1.1
Overview
Number Meaning
³
·
»
¿
´
²
¶
º
¾
µ
MELSEC ST Series
LEDs
Switches for setting the station
number
RS232 interface
Buttons
("-", "+" and "RELEASE")
PROFIBUS/DP interface
Display plate
Base module connector
Lock lever
DIN rail mounting groove
FG contact
³
µ
Description
The LEDs show the operating status of the head station. (refer to the
next page)
These switches are used to set the station number and to activate the
self-diagnostics.
Range for the station number: 0 to 99 (factory setting: 0)
Selection of self-diagnostics: 150
Refer to chapter 3.1.3 for a detailed description.
For diagnostics and configuration a personal computer with the
software GX Configurator DP installed (version 6.0 or later) is con-
nected with this Mini-DIN socket.
Used to make online module change and to reset the head station..
Connects the PROFIBUS/DP cable to the head module.
Write the station number of the head station on this plate
Connects the next module (always a power distribution module) to the
right of the head station.
To remove the head station from the DIN rail, a screwdriver is inserted
in this lever from the front of the module and then pulled downward.
Mounts the head station to the DIN rail.
Grounding metal spring on the back of the head station.
FG of all mounted modules ist connected via the conductive DIN rail.
Description of the Modules
RUN
M 1
ON
ST1H-PB
ERR.
M 0
S
80
REL.
T
40
A
DIA
SYN.
T
20
BF
FRE.
I
10
O
8
N
4
2
N
1
O
RS-232C
-
+
RELEASE
RESET
PROFIBUS I/F
MITSUBISHI
STATION
19
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