Delta Electronics Ethernet Extension Module DOP Specifikace stáhnout pdf (Strana 146)

Chapt er 6 Troubles h o o ting

6-5

Symptom Troubleshooting and Corrective Actions

Diagnosing Input

Malfunction

When input indicator LEDs are OFF,

1. Check the wiring of the input devices.

2. Check that the power is properly supplied to the input terminals.

3. If the power is properly supplied to the input terminal, there is

probably an abnormality in the PLC’s input circuit. Please contact

your dealer.

4. If the power is not properly supplied to the input terminal, there is

probably an abnormality in the input device or input power

supply. Check the input device and input power supply.

When input indicator LEDs are ON,

1. Monitor the input condition using a programming tool. If the input

monitored is OFF, there is probably an abnormality in the PLC’s

input circuit. Please contact your dealer.

2. If the input monitored is ON, check the program again. Also,

check the leakage current at the input devices (e.g., two-wire

sensor) and check for the duplicated use of output or the

program flow when a control instruction such as MC or CJ is

used.

3. Check the settings of the I/O allocation.

Diagnosing

Output

Malfunction

When output indicator LEDs are ON,

1. Check the wiring of the loads.

2. Check whether the power is properly supplied to the loads.

3. If the power is properly supplied to the load, there is probably an

abnormality in the load. Check the load again.

4. If the power is not supplied to the load, there is probably an

abnormality in the PLC’s output circuit. Pleas contact your

dealer.

When output indicator LEDs are OFF,

1. Monitor the output condition using a programming tool. If the

output monitored is turned ON, there is probably a duplicated

output error.

2. Forcing ON the output using a programming tool. If the output

indicator LED is turned ON, go to input condition check. If the

output LED remains OFF, there is probably an abnormality in the

PLC’s output circuit. Please contact your dealer.

2. Error code in D1004: The error code stored in D1004 is a hexadecimal code.

After you write the program into the PLC, the illegal use of operands (devices) or incorrect

syntax in the program will result in flashing of ERROR indicator and M1004 = ON. In this case,

you can find out the cause of the error by checking the error code (hex) in special register

D1004. The address where the error occurs is stored in the data register D1137. If the error is a

general loop error, the address stored in D1137 will be invalid.

Error code Description Action

0001 Operand bit device S exceeds the valid range.

0002 Label P exceeds the valid range or duplicated.

0003 Operand KnSm exceeds the valid range.

0102 Interrupt pointer I exceeds the valid range or duplicated.

0202 Instruction MC exceeds the valid range.

0302 Instruction MCR exceeds the valid range.

0401 Operand bit device X exceeds the valid range.

0403 Operand KnXm exceeds the valid range.

0501 Operand bit device Y exceeds the valid range.

Check D1137.

(Check the

Error step

number.)

Re-enter the

instruction

correctly.

1 2 ... 141 142 143 144 145 146 147 148 149 150 151 ... 174 175

Komentáře k této Příručce

Žádné komentáře

Delta Electronics Ethernet Extension Module DOP Specifikace Strana 146

Komentáře k této Příručce

Související produkty a manuály pro Sítě Delta Electronics Ethernet Extension Module DOP