Siemens SIMATIC 505 User Manual

Troubleshooting

Series 505 High Speed Counter

 and Encoder Module User

’s Manual

To check the operation of the module, follow these steps.

 Module outputs will turn on during this procedure.

1.

Using a programming device, force all presets to 0.

2.

Reset both counters through the reset signals from your application.

Using the default configuration, the outputs should turn on.

3.

Using your programming device, force the presets to any number
greater than 0.

The outputs should turn off.

 Before resuming normal operation, clear any words that you have
forced. Otherwise, these words remain forced during operation and could
yield unexpected results.

If you used the setup word to configure the module, then the output follows
your configuration.

To check the output operation look at the counter status word (WX1), the
outputs correspond to the following bits.

Channel 1, Output 1

bit 3

Channel 1, Output 2

bit 4

Channel 2, Output 1

bit 7

Channel 2, Output 2

bit 8

0 = Output off
1 = Output on