Function Blocks - FM 458-1 DP 5-1
Edition 12.2004
5 SIMOLINK drive coupling
5.1 @SL SIMOLINK central block
@SL
Hardware address SLB
GV TAD YF I
Error status of the block
Operating mode
I MOD NCP I
No. of nodes
Node address
I ASL NCY DI
No. of cycles
Send power
I POW NOR DI
No. of overruns
Filling-up the telegram gaps
BO FIL NTO DI
No. of timeouts
Use PCI Copy
BO DM NCR DI
No. of CRC errors
Max. blocksize
I NSL NDM DI
No. of the defective module
Enable the drive interface
BO EN CO1 DI
No. of waiting cycles
CO2 DI
No. of CO1 overruns
QF BO
Group error bit
The @SL central block allows the initialization and monitoring of
communications with an SLB module.
An SLB module is a system hardware component, which can be an ITSL-
, an EXM 448-1 module or an optional SLB (SIMOLINK Board) of the
ITSL module.
The @SL central block may only be configured in a cyclic task and once
per SIMOLINK ring.
The following parameters must be set for an SLB module:
• Hardware address SLB (TAD)
• Operating mode (MOD)
• Node address (ASL), only relevant when operating mode 0 is selected
• Send power (POW) for the SLB module
1. The @SL central block executes the following steps while the system
is being initialized:
− Checks the validity of the value ranges at the input connections
− Checks whether additional @SL central blocks have been
configured at the same hardware address (input TAD)
− Initializes the SLB module corresponding to the data at the
initialization connections
Symbol
Brief description
Mode of operation
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