FUNCTION OVERVIEW
4.2 Setting the Running Frequecy
The following table lists the functions which can be executed from the programmable logic controller in the
Control Location | Item |
| Operation Mode |
| |
PU operation | External operation | ||||
|
| ||||
| Operation command | Disallowed | Disallowed | Allowed | |
| Running frequency setting | Disallowed | Disallowed | Allowed | |
| Monitoring | Allowed | Allowed | Allowed | |
| Parameter write | Disallowed (*3) | Disallowed (*3) | Allowed (*3) | |
User program | Parameter read | Allowed | Allowed | Allowed | |
| Inverter reset | Disallowed | Disallowed | Allowed (*1) | |
| Error reset at inverter fault | Allowed (*1) | Allowed (*1) | Allowed (*1) | |
| (RY1A) | ||||
|
|
|
| ||
| Stop command (*2) | Disallowed | Disallowed | Allowed | |
Control circuit | Inverter reset terminal | Allowed | Allowed | Allowed | |
Operation command | Disallowed | Allowed | Allowed (*4) | ||
terminal | |||||
Frequency setting | Disallowed | Allowed | Allowed (*4) | ||
|
(*1) At occurrence of a communication error, the inverter cannot be reset from the computer. (For inverter reset, refer to the inverter manual.)
(*2) As set in Pr. 75.
(*3) As set in Pr. 77.
Values can be written to Pr. 4 to Pr. 6, Pr. 22, Pr. 24 to Pr. 27, Pr. 52 to Pr. 56, Pr. 72, Pr. 232 to Pr. 239 during operation.
(For full information, refer to the inverter manual.) (*4) As set in Pr. 338 and Pr. 339
Note 1. The inverter goes into the external operation mode if it is reset from the PLC in the
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