Operating Instructions ACU
Actual values of frequency inverter
The reference value signal is limited by the controller coded in
the controller status.
Signal status of switch-of paths STOA (digital input
S1IND/STOA) and STOB (S7IND/STOB) of safety function “STO
– Safe Torque Off”).
Output signal on Multifunction output 1 in Operation mode 550
– repetition frequency
In addition to the actual values shown, other actual values are available and can be
read out via field bus.
This includes, in particular, parameters Current Error 260, Warnings 270 and
Application Warnings 274 where the relevant message can be read out as
hexadecimal code (and without texts). Please refer to the communication manuals.
The actual values can be read out and monitored in the VAL menu branch of the
operating unit. The parameter Control Level 28 in the PARA menu branch defines the
selection of the actual value parameters.
In the actual value display 243, 250, the digital inputs cannot be active (permanently
“0”). This can be caused by the configuration or functions used (e.g. sensor input or
frequency input).
Deactivation mechanism for actual value display
Track Z (speed sensor 1) or
Setting:
For speed sensor 1, check Parameter Operation Mode 490.
For PWM / Rep. frequ. input, check parameter Operation Mode 496.
For MFI1, check Parameter Operation Mode 452.
Actual value:
Encoder 1 Frequency is shown in 217, speed in 218.
PWM/rep.frequ. input: PWM is shown in 258, frequency in 252.
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