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Installation
3.6.4 RS232 wiring
3.6.5 Pulse wiring
20
Refer to
Figure 12
and
Table 3
Figure 12 Terminal assignments—RS232 communication
Table 3 Terminal assignments—RS232 output
Terminal
1
2
3
4
5
6
7
8
9
10
Counters with the pulse output option send a pulse signal when a particle is detected. An
external pulse counter or data acquisition system counts the pulses as particles. Pulse
units have two output channels (Ch 1 and Ch 2). Channel 1 reads the smallest size
particles. Channel 2 can be set for a larger size using the setup utility program. The
status output, when asserted, indicates that the particle counter needs attention.
Pulse units cannot be used in a network configuration. The address must always be set
to 1
(Table 8 on page
33). Refer to
pulse output.
to install a particle counter with RS232 communication.
Power source (9–28 VDC, 1 A maximum)
Figure 13
and
Table 4
Assignment
(not used)
(not used)
RS232 TX
RS232 RX
NC
Pump TD
Pump RD
Common (shield ground)
Common
to install a particle counter with
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