19
Installation
Network wiring
RS485 (EIA-485) supports up to 32 instruments (12 K load each). Use a high grade wire
for serial communications such as Belden 9841. The manufacturer recommends that the
length of the network does not exceed 1200 meters.
A typical network wiring diagram for the particle counter is shown in
. Up to 32
remote counters can be in the network using RS485 Modbus or FXB communication.
Table 2 Terminal assignments—RS485 output
Terminal
Assignment
1
RS485 A
2
RS485 B
3
RS485 A
4
RS485 B
5
NC
6
Pump TD
7
Pump RD
8
Common (shield ground)
9
Power source (9–28 VDC, 1 A maximum)
10
Common
Figure 11 Network wiring—10-pin connector
1
Particle counter
5
Cable
2
Particle counter
6
RS232 to RS485 converter
3
To additional particle counters
7
Network cable
4
PC
Summary of Contents for Met One 6000 Series
Page 2: ......
Page 33: ...31 Operation Figure 21 Setup utility program non wireless units...
Page 48: ...46 Troubleshooting...
Page 50: ...48 Replacement parts and accessories...
Page 52: ...50 Contact information...
Page 54: ...52 Limited warranty...
Page 64: ...62 Modbus register maps...