H8 -2
8.3
LED Indicators on PLC Main Unit and Troubleshooting
X9
X7
X5
X3
X1
S/S
PROGRAMMABLE
Y0
AC100~240V
C0
CONTROLLER
Y4
Y2
Y1
C2
Y3
C6
C4
Y5
Y6
Y7
RX
TX
PORT0
ERR
RUN
OUT
Y
(
)
POW
IN
X
(
)
24V OUT
X4
X2
X0
X6
X8
X13
X11
Y8
Y9
SRCE
SINK
X12
X10
輸入狀態指示 "Xn"
電源指示 "POW"
運轉指示 "RUN"
錯誤指示 "ERR"
輸出狀態指示 "Yn"
或錯誤碼指示
(當有"ERR"發生時)
接收指示 "RX"
傳送指示 " TX"
max.
400mA
IN
0 I 2 3
4
8
I2
5 6 7
I
I
I0
9
I3
0 I 2 3
7
6
5
4
9
8
Power Indicator
〝
POW
〞
After the PLC is power on, with correct power source and wiring, the
〝
POW
〞
LED indicator in the middle of the PLC
nameplate will turn on, indicating that power supply is normal. If the indicator is not on, please try to temporarily remove
the wiring of 24VDC output power for Sensor. If the LED is back to normal, it means that the load on the power for the
24VDC input circuit is too large so that PLC enters overload low voltage protection mode. (When PLC enters overload
low voltage protection mode, “POW” LED is off and there are slight and intermittent low frequency hissing sounds, from
which one can tell if the 24VDC power is overloaded or shorted.)
When the above method still cannot turn on the
〝
POW
〞
LED, if it is confirmed that correct power input exists between
PLC power input L/N terminals or +/- (DC power), please send the unit to your local distributor for repair.
Operation Indicator
〝
RUN
〞
As long as the CPU is working properly, in the STOP state, this indicator will go on and off for 2 seconds, respectively.
When it’s in the RUN state, the indicator will go on and off for 0.25 seconds, respectively. To make PLC enter into Run
state, or switch from RUN to STOP state, it has to be done through the programmer (FP-07C or WINPROLADDER).
Once PLC is set to RUN or STOP, it will keep that state even after power off. The only exception is, when using the
ROM PACK, no matter if it’s running or stopped before power off, PLC will automatically enter RUN state (with correct
ROM PACK syntax check) when power is back. In normal operation of PLC upon errors (e.g., errors in WDT timer and
program), PLC will automatically switch to STOP state and light the
〝
ERR
〞
error indicator. If it is a minor error, the RUN
state can be resumed as long as the power is back after an outage. In case of serious errors, the PLC cannot be
operated again with the programmer until the problem is solved. If PLC cannot be resumed to RUN state after all,
please send it to your local distributor for repair.
Error Indicator
〝
ERR
〞
In normal PLC operation, either in RUN or STOP state, this indicator will not show any signal (off). If it is on, it means
that the system has an error (e.g., WDT time-out, program error, communication error, etc.)
If it is constantly on, please reset the power. If the situation is still the same, it implies a hardware failure in CPU and has
to be sent to the distributor for repair.
When the ERR indicator flashes with a 0.5 sec interval, it means that some anomaly occurs to PLC. At the same time,
status indicators Y0~Y3 switch to serve as indications of 15 error codes (the corresponding outputs are disabled), which
are described in the following
:
Receive Indicator “RX”
Transmit Indicator “TX”
Input Status Indicator “Xn”
Power Indicator “POW”
Operation Indicator “RUN”
Error Indicator “ERR”
Output Status Indicator “Yn” or
error Indicator (when “ERR”
occurs)
Содержание FBs-CBE
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Страница 111: ...4 6 X0 X1 Node A Y0 Y1 Node B differential down Incerse differential up t Scan time Inverse t t ...
Страница 141: ...Basic Function Instruction 6 16 FUN 2 SKP SKIP START FUN 2 SKP Y2 Y1 Y0 T201 10S X0 X1 X2 0 10 0 ...
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