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Operation
4.2 Particle counter communication
4.2.1 RS485 serial output with Modbus RTU protocol
32
Figure 22 Setup utility program—wireless units
Each Met One 6000 particle counter is assembled with one of the following
communications formats:
•
RS485 communications—Modbus RTU
(Appendix B on page
•
Ethernet with ModbusTCP protocol
•
Pulse output
(section 4.2.3 on page
•
Analog output
(section 4.2.4 on page
•
Wireless
(section 4.3 on page
•
RS232 serial output
The RS485 serial network circuit provides communications for a maximum of 32 remote
counters and a control computer. Only one counter can transmit data at a time.
Each counter must have a unique instrument address. Refer to
address—RS485 on page 33
(section 4.2.1 on page
63)
(section 4.2.2 on page
36)
37)
37)
(Appendix B on page
63)
for instructions on setting the instrument address.
32) or FXB protocol
34)
Set the instrument
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