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Communication over COM port with weight scale
surrender
Member Posts: 5
Hello there!
I have to program an automation over nfcomm.ocx or something similar. The problem is that I´m a newbie on this and really do not know how to realize it with this ocx.
Here some detials from the scale:
Interface: RS 232 (RS422 wenn > 15m)
Baudrate : 4800
Parity : no
Datenbits : 8
Stopbits : 1
Handshake : no
PC => SCALE
ENQ (05h) for sending an query to the scale - or just "?" for actualizing the actual weight.
SCALE RETURNS TO PC
STX ( 02h )
Errorflag 'E' / ' '
Standstill 'S' / 'M'
Gross 7 char
Tare 7 char
Net 7 char
Nr.of scale char
Memoryno. 6 char [empty if weighing is not valid]
DATE JJJJMMTT [empty if weighing is not valid]
TIME HHMMSS [empty if weighing is not valid]
ETX (03h)
The whole description of the scale is in the attachment (just in german).
I just do not realize how to send this ENQ (05h) by code in navision over the nfcomm and how to read out the record which the scale returns to the COM Port.
Can anybody can help me?
I have to program an automation over nfcomm.ocx or something similar. The problem is that I´m a newbie on this and really do not know how to realize it with this ocx.
Here some detials from the scale:
Interface: RS 232 (RS422 wenn > 15m)
Baudrate : 4800
Parity : no
Datenbits : 8
Stopbits : 1
Handshake : no
PC => SCALE
ENQ (05h) for sending an query to the scale - or just "?" for actualizing the actual weight.
SCALE RETURNS TO PC
STX ( 02h )
Errorflag 'E' / ' '
Standstill 'S' / 'M'
Gross 7 char
Tare 7 char
Net 7 char
Nr.of scale char
Memoryno. 6 char [empty if weighing is not valid]
DATE JJJJMMTT [empty if weighing is not valid]
TIME HHMMSS [empty if weighing is not valid]
ETX (03h)
The whole description of the scale is in the attachment (just in german).
I just do not realize how to send this ENQ (05h) by code in navision over the nfcomm and how to read out the record which the scale returns to the COM Port.
Can anybody can help me?
0