Lenze EVS9332xP Manual de usuario Pagina 153

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Function library
Function blocks
3.5.12 BCD decade switch (BCD)
3−125
l
EDSVS9332P−EXT DE 2.0
3.5.12.7 BCD mode
The BCD mode defines the type of BCD transmission (not the transmission to the target code).
Overview of the settings in the BCD mode:
Function BCD1 BCD2 BCD3
BCD mode
· 0 = no handshaking
· 1 = handshaking
C1706 C1716 C1726
BCD delay in ms (only for data transmission
without handshaking)
C1707 C1717 C1727
No handshaking, minimum wiring
Set BCD mode = 0.
Function
l Cyclic reading of BCDs
No acceptance signal (BCDx−READ), e.g. for reading a BCD decade switch required.
l Set BCD delay (see table)
Defines the period between reading the individual BCDs. The setting may be necessary if a
bus system provides the data transfer between the BCD decade switch and the FB BCDx
(e.g. terminal extension via system bus).
The bus system used, the baud rate, and the bus load determine the time to be set.
The BCDs are read in the following sequence:
1. Sign
2. BCD 1
3. BCD 2
4. etc.
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