Danfoss vlt aqua Programming Guide

8-56 Preset Reference Select
Option: Function:
[0] Digital input
[1] Bus Activates Preset Reference selection via the serial communica-
tion port or fieldbus option.
[2] Logic AND Activates Preset Reference selection via the fieldbus/serial com-
munication port, AND additionally via one of the digital inputs.
[3]
*
Logic OR Activates the Preset Reference selection via the fieldbus/serial
communication port OR via one of the digital inputs.
Select control of the frequency converter Preset Reference se-
lection via the terminals (digital input) and/or via the fieldbus.
NB!
This parameter is active only when
par. 8-01 Control Site is set to [0] Digital and
control word
.
2.9.7. 8-8* FC Port Diagnostics
These parameters are used for monitoring the Bus communication via the FC Port.
8-80 Bus Message Count
Option: Function:
This parameter shows the number of valid telegrams detected
on the bus.
8-81 Bus Error Count
Option: Function:
This parameter shows the number of telegrams with faults (e.g.
CRC fault), detected on the bus.
8-82 Slave Message Count
Option: Function:
This parameter shows the number of valid telegrams adressed
to the slave, sent by the frequency converter.
8-83 Slave Error Count
Option: Function:
This parameter shows the number of error telegrams, which
could not be executed by the frequency converter.
2. Parameter Description VLT
®
AQUA Drive Programming Guide
114 MG.20.O2.02 - VLT
®
is a registered Danfoss trademark
2

Danfoss vlt aqua Specifications

General

Brand	Danfoss
Model	vlt aqua
Category	DC Drives
Language	English