I/O Interface Of Function Block; Error Codes Of Function Block; Table 11- 2 I/O Data Of The Function Block; Table 11- 3 Statuses/Errors When Working With The Function Block - Siemens SIWAREX WP321 Manual

11.7

I/O interface of function block

The following scale parameters are available cyclically in the data block in the controller
without special reading of data records or can be sent to the scale without sending of data
records:
Table 11- 2 I/O data of the function block
Parameter (read)
SCALE_STATUS_1 (UINT)
SCALE_STATUS_2 (UINT)
Process value 1
Process value 2
Parameter (write)
S7 tare specification
11.8

Error codes of function block

Table 11- 3 Statuses/errors when working with the function block
Error bit
bo_ApplIDError
bo_ApplIDDRError
bo_SFBError
bo_RdPerError
bo_LifeBitError
bo_StartUpError
bo_WrongFW
bo_InvalidCMD
bo_DataOperationError
bo_StartUp
Note
If execution of the function block is faulty, the variables shown do not correspond to the
actual status in the module.
SIWAREX WP321
Manual, 07/2014, A5E33715669A-02
Communication in SIMATIC S7-300/1200/1500
11.7 I/O interface of function block
Meaning
Bytes 0 & 1 of the scale status (→ DR 30 current process
values (Page 74))
Bytes 2 & 3 of the scale status (→ DR 30 current process
values (Page 74))
Selection → Selection of process value 1, 2 (Page 72)
Selection → Selection of process value 1, 2 (Page 72)
Specified value for tare weight. The value is applied by
using the "Tare specification valid (1016)" command.
Error description
Address module does not match the function block
Data record does not match the inserted module
Runtime error during transmission of data record
Reading of I/O data failed
SIWAREX no longer responds
Command was sent although StartUp is still TRUE
Data record version does not match the firmware
An invalid command code was sent
Synchronous data operation error has occurred
Startup synchronization of module running
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