Siemens SIMATIC TIWAY 1 Manual De Usuario

Figure 6–4 shows the pattern that can be displayed on the LEDs when you run
any of the diagnostic tests. If an error does occur, the Adapter Good LED will
flash two times each second and one of the error codes shown below will be
displayed. The external loopback tests will only be performed when Position 10
of Dipswitch 2 is up.

No Error (Diagnostic Mode)

Diagnostics ROM Checksum Error

RAM Test Error

TIWAY I Port 1 External

Looopback Error

TIWAY I Port 2 External

Loopback Error

Host Port (Port 3) Loopback Error

Port 4 Loopback Error

TIWAY I Serial Communications

Controller Failure

PIM Checksum Error

CPU Failure

–5 volt Power Supply Failure

Watchdog Timer Failure

I/O Loopback Error

Network Address Error

ROM Checksum Error

...................

............

.....................................

..............................

................................

............

............................

.............................

.............................

.........................................

..................

.........................

................................

...........................

............................

Legend:      –Flashing         –On (Lit)         –Off (Extinguished)

No Error (Run Mode)

............................

1

2

3

4

5

6

External