Mitsubishi Electric MELSEC-A User Manual page 101

13. SETTINGS AND PROCEDURES BEFORE OPERATION
MELSEC-A
13.2 Nomenclature and LED Signals and Displays
This section shows the nomenclature of the AJ71UC24 and the details of
the LEDs.
13.2.1 Nomenclature
This section shows the nomenclature of the AJ71UC24.
-
NO.
-
(1)
-
(2)
-
(3)
-
(4)
-
(5)
-
(6)
-
Name
Indicator LEDs
Transmission
specification
setting switches
Mode setting
switch
Station number
setting switches
RS-232C
connector
RS-4221485
interface
Description
Reference
Display the operating status,
COmDuter communications
underway and alarms. What the Section 13.2
ONIOFF status indicates depends
on each indicator LED.
Unusable
(Factory-set to 0)
Used to select data bit, parity
presencelabsence, stop bit, sum
check enableldisable, etc.
(All switches factory-set to OFF)
Section 13,3
This connector is not used in a
multidrop link svstem.
1
-
Switch to set the station number
in a multidrop link system. The
X1 rotary switch is valid, and the
X I 0 rotary switch is ignored.
RS-4221485 interface for
connecting an AJ71UC24 with
another station in a multidro~ link
Section 13,3
system.