Advertisement
6. INSTALLATION AND PRE-OPERATION SETTING PROCEDURES
MELSEC-A
Table 6.1 Names and Description of Parts
Description
@
xlO1
Used to set the station number of an A64RDC in a
range from 1 to (64
-
[the number of occupied stations
@
x 1
of this
module]
+
1).
See
Section
6.4.
Used to select the channel for offset/gain adjustment. (Positions 0 and
5 to 9
select "no
processing".)
Sets the offset/gain values in the TEST mode.
(1) OFFSET position: OFFSET value adjustment mode
(2) GAIN position: GAIN value adjustment mode
(3)
SET position: OFFSET/GAIN value memory mode
(When the SET position is selected, the latest value is stored in the internal memory of
the A64RDC as an offset/gain value.)
Adjusts the offsetlgain value of the designated channel.
These values can be increased or decreased by using the
UPDOWN switch.
NORMAL
1
mode
ON: Normal operation
Flashing: Read/write data error (flashes every second)
OFF: Either 24 VDC is OFF or a WDT error.
RUNLED
1
TEST
mode
I
RUN
LED
Flashing: Flashes every 0.5 second when the OFFSET/
GAIN switch is set to the OFFSET or GAIN position.
Flashes every 0.1 second when the OFFSET/GAIN
value is set outside the setting range
by the UP/DOWN
switch.
Normal communications
Communications data error
Communications data error
Normal communications
Hardware reset
Used to initialize buffer and operations processing of the A64RDC.
By turning this switch ON, the control input signal
(X5) of the A64RDC goes ON.
(The device number of the control 1/0 signals depends on the station setting.)
Error compensation. Shorted when setting OFFSET/GAIN.
From the
previous
station
-El=
24G
24G
4 P t l 00 is connected to this terminal.
6 - 6
Advertisement
