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Idiomas disponibles
Pin
AO2–
AO2+
AO1–
AO1+
Connect the analog input (optional)
Two analog inputs (AI1 and AI2) are available on the J3 connector. Connect auxiliary instruments
(i.e., flow meters, turbidity meters, pressure transducers, pH meter) to the analog inputs to show the
voltage supplied by the auxiliary instruments on the instrument display (0–10 VDC). Refer to
the analog input values
Connect an auxiliary instrument to each analog input with 22–24 AWG wire. Use 19 AWG wire
instead if the wire is 7.62 m (25 ft) long or more. Refer to
Pin
AI2–
AI2+
AI1–
AI1+
Connect the digital input (optional)
One digital input is available on the J4 connector. Connect a flow monitoring device to the digital
input (CTS pin) to trigger a Flow alarm when the voltage on the digital input is high or low, depending
on the Flow Alarm State setting. Refer to
Flow Alarm State setting and enable the Flow alarm.
Connect the flow monitoring device to the CTS pin with 24–28 AWG wire.
Note: The digital input is not available when the RS232 connection is used to connect a printer or a computer.
Connect the digital outputs (optional)
Two digital outputs (ALM and CAL) are available on the J1 connector. Refer to
compatible device such as a remote alarm indicator or buzzer to the applicable digital output with
24–48 AWG wire.
The ALM pin and CAL pin are open collector outputs that supply a ground connection when
energized. Obey the digital output ratings in
Digital output Description
ALM pin
Energizes when a Flow alarm or Count alarm is active. Refer to
on page 16 to configure the Flow alarm and Count alarm.
CAL pin
Energizes when a high or low calibration error is active.
Connect a serial device (optional)
One RS232 connection is available on the J4 connector. Connect a printer or the serial port of a
computer (COM 1 or COM 2) to the RS232 connection to send the buffered data to a printer or a
computer. Refer to
Send the data log to a printer or computer
If the optional RJ-45 to DB-9 converter is used, cut an RJ-45 cable and then separate and identify
the wires. Refer to
Figure
Table 1 Analog output connections (4–20 mA)
on page 19.
Table 2 Analog input connections (0–10 VDC)
Configure the particle counter
Specifications
Table 3 Digital output descriptions
5. Refer to
Table 4
for the RS232 wiring connections.
Description
Neutral
Positive
Neutral
Positive
Table
2.
Description
Neutral
Positive
Neutral
Positive
on page 16 to configure the
on page 3.
Configure the particle counter
on page 18.
Identify
Table
3. Connect a
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