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4-10
User Manual CM-CAN1
4 Setting the device parameters
280-RSSL1 - Reference selector
Set RSSL1 = FOPT2 so the reference is formed from bytes 2-5 of the
data content of the control identifier (base ID 661).
Note: Reference and control values and the content of the control
identifier are only evaluated in the CAN system state “SYS-
TEM START”.
Other logical settings may also be selected as the reference source:
Online switching between the reference sources is only possible by way
of appropriately parameterized digital inputs or via the parameter channel
(see functions of digital inputs in the Application Manual).
Subject area Value range Factory set. Unit Data type Memory type
_28RS
0 (FCON) ...
11 (FMAX)
11 (FMAX) – USIGN8 FLASH
RSSL1 Function
1 - FA0 Analog input 0
2 - FA1 Analog input 1
4 - FPOT MOP function, only in conjunction with appropriately configured inputs
5 - FDIG Digital reference, see device operation manual
7 - FOPT2
Reference from option slot 2, here CAN
LUST
8 - TBSEL
Table references incl. acceleration and braking ramps, selection of
table position via bits in the control word or directly in parameter
TBSEL or via inputs with function FFTBx
9 - FFIX1/2 Fixed frequency *
10 - FMIN1/2 Minimum output frequency *
11 - FMAX1/2 Maximum output frequency *
* Switchable with characteristic data set switchover, e.g. via bits in the control word
Table 4.8 Settings for reference selector 280-RSSL1