Operating instructions

62 06/05

5.5.2 Actual speed source

If speed sensor 2 of the expansion module is confi

ured to supply the actual value

signal for the speed controller, speed sensor 2 must be selected as the source. Switch-

over is affected via parameter

Actual Speed Source 766. By default, speed sensor 1 is

used as the actual speed source.

Operation mode Function

1 -Speed sensor 1

The actual speed source is speed sensor 1 of the

basic device (factory setting).

2 -Speed sensor 2

The actual speed source is speed sensor 2 of the

EM-IO-02 expansion module.

5.5.3 Actual value comparison

The expansion module provides additional operation modes for parameters Operation

Mode Comparator 1

540 and Operation Mode Comparator 2 543 which are described

in the operatin

instructions. These operation modes permit a comparison of the speed

sensor 2 signal with the maximum speed and a comparison of the analog input EM-

S1INA with the maximum analog input value.

Operation mode Function

8 -

actual speed 2,

abs. value

Speed Sensor 2 Speed 220 > maximum speed (calcu-

lated from

Maximum Frequency 419 and

o. of Pole

airs 373)

16 -

Analog input

EM-S1INA, abs. value

nalog input EM-S1INA 253 > analog input 100%

108 and 116 Operation modes with signs (+/-)