6. Turn on the motor; switch position “ON”
– Does the display of the FC’s protective switch show the most recently set frequencies?
– Does the motor start?
Note:
We recommend drawing up a checklist for your maintenance personnel so that these
inspections can be checked off, and thus documented, as they are performed.
RS-232 ASCII Interface
Data interface on control cabinet
B = TXD
C = RXD
D = DTR
E = Ground
H = CTS
Standard settings: 9600 baud, 7 data bits, odd parity, 1 stop bit,
hardware handshake, data output without
stability of the weighing instrument:
menu setting 6 1 1
(other settings available on request)
Note:
The operating instructions for the weighing instrument contain a detailed description of
the interface.
Data Format
Example of data output: 12345. g
123456789101112 13 14 15 16
Pm Mv Mv Mv Mv Mv Mv Unit Unit Unit
+___12345. _ g _ _ CR LF
1 Pm Plus/minus sign +, – or space (for 0.0g)
2 Space
3 to 10 Mv Measured value (weight) in ASCII characters with decimal point
11 Space
12 to 14 Unit symbol or space
15 Carriage return (CR)
16 Line feed (LF)
Control Input/Output Ports
Quality Class
Belt - running - output (contact closed = belt running)
Sorting/classification signals <, =, > (300 ms)
Connection over terminal screws in the control cabinet
PLC contact closer, 230V AC/DC, max. 5A
Relay contact closer, 30V AC/DC, max. 1A (contact closed = active),
signal duration: 300 ms
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