Ladder Logic Elements and Instructions
412 870 USE 101 10 V.2
A Special STAT Instruction, Continued
Top Node
Content The reference number entered in the top node is th e first position in the destination
block–i.e., the block where the current words of interest from the status table wi ll be
copied. The reference may be:
lThe first 0x reference in a block of contiguous discrete outputs
lThe first 4x reference in a block of contiguous holding registers
Bottom Node
Content The integer value entered in the bottom node specifies the number of registers or
16-bit words in the destination block where the current status information will be
written.
The length–i.e., number of words–in the status table will vary depending on
whether or not I/OBus I/O is being supported:
lWithout I/OBus, the STAT instruction is 12 words long.
lWith I/OBus, the instruction is 20 words l ong.