Functions
8.21 General monitoring functions and messages
Control Units CU240S
Operating Instructions, 11/2006, A5E00766042B AA
8-145
8.21 General monitoring functions and messages
Data
P2150 … P2180 Parameter range:
r0052, r0053, r2197, r2198
Warnings: -
Faults: -
Function chart number: FP4100, FP4110
Description
The SINAMICS G120 has an extensive range of monitoring functions and messages which
can be used for open-loop process control. The control can either be implemented in the
inverter or using an external control (e.g. PLC). The interlocking functions in the inverter as
well as the output of signals for external control are implemented using BICO technology.
The status of the individual monitoring functions and messages are emulated in the following
CO/BO parameters:
r0019 CO/BO: OP control word
r0050 CO/BO: Active command data set
r0052 CO/BO: Status word 1
r0053 CO/BO: Status word 2
r0054 CO/BO: Control word 1
r0055 CO/BO: Supplementary (additional) control word
r0056 CO/BO: Status word – closed-loop motor control
r0403 CO/BO: Encoder status word
r0722 CO/BO: Status, digital inputs
r0747 CO/BO: Status, digital outputs
r1407 CO/BO: Status 2 – closed-loop motor control
r2197 CO/BO: Messages 1
r2198 CO/BO: Messages 2
Frequently used monitoring functions/messages including parameter number and bit are
shown in the table below.
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