DL06 Micro PLC User Manual, 3rd Edition, Rev. E
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Chapter 5: Standard RLL Instructions
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ECRDSNM Example
Rung 1: The ECOM100 Config IBox is responsible for coordination/interlocking of all
ECOM100 type IBoxes for one specific ECOM100 module. Tag the ECOM100 in slot 1 as
ECOM100# K0. All other ECxxxx IBoxes refer to this module # as K0. If you need to move
the module in the base to a different slot, then you only need to change this one IBox. V400 is
used as a global result status register for the other ECxxxx IBoxes using this specific ECOM100
module.V401 is used to coordinate/interlock the logic in all of the other ECxxxx IBoxes using
this specific ECOM100 module. V402-V502 is a common 130 byte buffer available for use by
the other ECxxxx IBoxes using this specific ECOM100 module.
Rung 2: On the 2nd scan, read the Subnet Mask of the ECOM100 and store it in V3000 thru
V3003 (4 decimal numbers). The ECOM100’s Subnet Mask could be displayed by an HMI.
The ECRDSNM is leading edge triggered, not power-flow driven (similar to a counter input
leg). The command to read the Subnet Mask will be sent to the ECOM100 whenever the
power flow into the IBox goes from OFF to ON.
If successful, turn on C100. If there is a failure, turn on C101.
K1
K0
V400
V401
V402 - V502
