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19 Display Module (FX3G-5DM)
FX
3G
Series Programmable Controllers
User's Manual - Hardware Edition
19.6 Monitor/Test Mode
19.6.2 Monitor mode operation
This section explains the procedure for monitoring the input [X], output [Y], auxiliary relay [M], state [S], timer
[T], counter [C], data registers [D, DD], extended registers [R, DR], and the extended file registers [ER, DER].
The file register [D] and the index registers [V,Z] cannot be monitored.
→ Refer to Subsection 19.6.3 for a monitor screen display example.
→ Refer to Section 19.14 for specified device monitor operation procedures.
→ Refer to Section 19.18 for the procedure used to display the timer, counter,
and data register current values as hexadecimal values.
1) At the menu screen, use the [+] and [-] buttons to move the cursor
to the "Monitor/Test" item, then press [OK] to display the "device
selection screen" shown at right.
To cancel the operation and return to the "top screen (time
display)", press [ESC] at the menu screen.
2) Use the [+] and [-] buttons to move the cursor to the device which is
to be monitored.
To cancel the operation and return to the "menu screen", press
[ESC].
3) Press [OK] to display the monitor screen for the device which was
selected for monitoring.
To cancel the operation and return to the "device selection screen",
press [ESC].
After the power is turned on, the number of the device to be
displayed is shown as follows.
a) The first time the power is turned on, the display begins with
device No.1.
b) At subsequent power ONs, the device which was being
monitored at the previous operation is displayed (they are saved
in memory for each device type).
4) Use the [+] and [-] buttons to move the cursor or the screen to the
until the device to be monitored is displayed.
→ Refer to Subsection 19.6.3 for status display.
Selected Device Type Button Operation Description
• All devices ESC Returns to the "device selection screen".
• Data registers (D, DD)
• Extended registers
(R, DR)
• Extended file registers
(ER, DER)
•Timer (T)
• Counter (C)
-
Scrolls upward. Press for 1 second or longer for high-speed scrolling.
If pressed again at the beginning of the device No. list, the display jumps to the end of
the device No. list.
+
Scrolls downward. Hold for 1 second or longer for high-speed scrolling.
If pressed again at the end of the device No. list, the display jumps to the beginning of
the device No. list.
• Input (X)
• Output (Y)
• Auxiliary relay (M)
• State (S)
-
Scrolls the display screen upward. Hold for 1 second or longer for high-speed scrolling.
If pressed again at the beginning of the device No. list, the display jumps to the end of
the device No. list.
+
Scrolls the display screen downward. Hold for 1 second or longer for high-speed
scrolling. If pressed again at the end of the device No. list, the display jumps to the
beginning of the device No. list.
• All devices except (x) OK Switches to the test mode when hold for 1 second or longer.
D(16b i
DD ( 3 2
T
C
t)
bit)
R(16b i
DR ( 3 2
t)
bit)
ER( 1 6b i t )
ER( 3 2b i t )D
X
Y
M
S
D0 0
D1 0
D2 0
D3 0
D0 0
D1 0
D2 0
D3 0
1
1
1
1