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Download User Guide PLC WorkShop for Modicon
Transcript
PLC WorkShop for Modicon Chapter 11 – Instructions, Software Loadable Modules Description Figure 59 – EARS Function Block Top Node State table pointer and history table. Contains the first of 64 consecutive 4x registers. The first two of these registers contain values that specify the location and size of the current state table. The remaining two are available for the history table. Middle Node Implied registers and buffer table. Bottom Node Contains the number of registers used in the buffer. Valid range is from 2 - 100. EUCA Description The Engineering Unit Conversion and Alarming (EUCA) function provides a single ladder logic instruction for configuring the scaling of raw analog input values and checking the values against alarm limits. Top Node Contains the alarm status of up to four analog inputs. Use a 4XXXX reference. Middle Node Contains the control table, which has the raw value, the scaled value, the engineering unit maximum and minimum, the dead band, and the alarm limits. Use a 4XXXX reference. Bottom Node Contains a constant from one to four to select which nibble of the status register to use. FN10 Description The FN10 custom loadable is used to communicate to the MMC188/40. - 596 -
