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When using LINK tools to develop configurations for the L5211, keep in mind that
inputs and outputs are referenced from the perspective of LINK. Please refer to the
L5211 section in the Function Block Manual, RG352134 for specifics on how to
assign data addresses.
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Most VME applications use ladder networks to program system operation. Following
is a simple example for the G.E. Fanuc Series 90-70 PLC and its LM90 software that
could be used to preset the counter in the L5211 sample configuration from an Analog
input:
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When digital input 5 is true, the value of analog input 1 is written to the counter. The
second step in the rung is a read/modify/write which will read the flag register, mask
in the flag bit, and write the appropriate location.
In the following example, the PLC will read the output of the counter from the L5211
example configuration.
1 The abbreviations in the examples are defined below.
AM
Address Modifier
ADRS
Memory location, made of the base +
word
IN
Block length
LEN
1 to 32767
MASK
Bit mask
OP
Or
2 The G.E. programming software requires the user to enter constants as decimal numbers. The display,
however, shows the constant as a HEX number.
