Specifications

A1.3 Parameterization of FB 200

 RESET

Switch for resetting after faults (input: bit)

If a communication fault appears, then the communication can be restarted

with this bit. The faults indicated in ABx.6 and ABx.7 are then automatically

reset! It is to be noted that no edge evaluation is made, i.e. when the bit is set

RESET starts the communication automatically again after the appearance of

a fault! This mechanism can also be realized by applying the fault output ERROR

directly to RESET.

 ERROR

Global error message (output: bit)

If a fault appears anywhere in the connection between PLC and PCS 200, then

the ERROR global fault bit is set. ABx.6 and ABx.7 can be procured to determine

the exact cause of the fault. This bit is reset as soon as communication runs

correctly again.

 BAUD

Baud rate (input: flag byte)

This flag byte is preset with the desired baud rate before calling FB 200. Possible

values are KH00 (1200 baud), KH01 (4800 baud), KH02 (9600 baud) and KH03

(19200 baud).

 TOGGL

Short / long cycle indication (output: bit)

Since the ALU reads first of all the input bytes at the cycle end, and subsequently

writes output bytes and not conversely, is it necessary to insert a short cycle

(for each second programmable controller cycle). The short cycle is marked

thereby, that this bit is = 0. If this is the case, then the programmable controller

cycle can be terminated after calling FB 200 as is realized in the example.

PB201: customer-specific presetting for the restart

PB202: customer-specific assignment for the fault case

Description of KOS 201/202