Rice Lake Weighing Systems Motoweigh Manual De Operación página 75

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DECIMAL
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2
255
5. Metal Detector status MD:I.Data[0] is updated approximately every second and with every command
exchange. See the sample program rung 0.
BIT
0 Metal Detector Fault
1 Metal Detector Warning
2 Metal Detector Ready
3 Invalid Ethernet Command
4-14
15 No Reply From Metal Detector
6. The Metal Detector increments a 16-bit counter (heartbeat) and sends it back to the PLC MD:I.Data[5]
with every status update. See the ladder diagram rung 1 in Programa de Muestreo PLC .
HEX
0x0001 Set Running Product (for example product 3) MOV 3 to MD:O.Data[2]
MOV 16#0001 to MD:O.Data[1]
Reply MD:I.Data[0] contains Metal Detector status MD:I.Data[1] contains
command 16#0001 MD:I.Data[5] contains Metal Detector heartbeat
See Sample Program ladder diagram rung 6
0x0002 Read Running Product
MOV 16#0002 to EzMD:O.Data[1]
Reply MD:I.Data[0] contains Metal Detector status MD:I.Data[1] contains
command 16#0002 MD:I.Data[2] contains running product number
MD:I.Data[5] contains Metal Detector heartbeat
See Sample Program ladder diagram rung 5
0x00FF No operation
Reply MD:I.Data[0] contains Metal Detector status MD:I.Data[1] contains
command 16#0000 MD:I.Data[5] contains Metal Detector heartbeat
See Sample Program ladder diagram rung 8 for automatic no-op insertion
Tabla 5-2. Comandos de Detección de Metales
DESCRIPTION
Tabla 5-3. Status MD:I.Data[0]
COMMAND
VALUE=1
Fault
Warning
Ready
Invalid
No Reply
VALUE=0
No Fault
No Warning
Not Ready
Valid
Reply
Apéndice 71