KNF N 828, Руководство пользователя

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Diaphragm Vacuum Pump N 828 / N 838 Operation
Translation of original Operating and Installation Instructions, english, KNF 121249-121517 09/19 37
The connection between the PC and motor controller can be oper-
ated as an RS-232 interface. Accordingly, in the operating system
it is managed as an additional COM connection and can be ad-
dressed with conventional terminal software.
Interface configuration
▪
Baud rate: 57600 bits/s
▪
Data bits: 8
▪
Parity: none
▪
Stop bits: 1
▪
Flow control: none
Tables Tab. 14 to Tab. 16 contain the necessary command sets,
shown as ASCII characters. When transmitting, the commands
must be followed by ASCII character <CR> (carriage return, deci-
mal value 013). The underlined expressions are not characters, but
symbols as explained in table Tab. 16.
Parameter Command* Function Reply
Motor
dB Start S ; E
dE Stop S ; E
Speed
dS nnnn
[ nnnn = speed
value]
Set nominal
speed
ns ; E
Tab. 14: Control commands
* A pause of at least 25 ms is required after the “dB” instruction set.
Parameter Command Reply
Actual motor speed;
Operating current of
the motor;
Temperature of the
motor controller;
Fault status
pP ni ; ii , ti , ei , E
Fault status (single
value)
gP ei ; E
Nominal motor speed gS ns ; E
Minimum possible
motor speed
gSl nl ; E
Maximum possible
motor speed
gSh nh ; E
Software version
number
iV V ; E
Tab. 15: Reed commands
Interface protocol