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送信機 Flomec QSIのPDF 製品取扱説明書をオンラインで閲覧またはダウンロードできます。Flomec QSI 16 ページ。 Cover plate transmitter for g2 meters

INSTALLATION – (continued)

TERMINAL CONNECTIONS CHART

Figure 1
TEMP SENSOR
PT100-Red
Sensor VCC Output
PT100-White
Input High Side
PT100-Blue
Input Return
RS-485 (Galvanically Isolated)
RS485 (+)
Positive Signal
RS485 (-)
Negative Signal
RS485 GND
Circuit Ground*
PULSE INPUT
5VDC output to power
+5V
external sensor
Digital Pulse Frequency
(+)
Input, up to 3kHz
(-)
Digital Pulse Return
4-20mA (Galvanically Isolated)
4 to 20mA current loop-
(+)
current in to transmitter
4 to 20mA current loop-
(-)
current out of transmitter*
*NOTE: It is not recommended to connect
isolated ground connections together or to
board common.
Coil A
Low level sine wave input
Coil B
Low level sine wave input
GPI SENSOR
Ribbon cable connection to GPI custom
sensor designs
PULSE OUTPUT
(Galvanically Isolated)
Pulse Output return
(-)
current*
Pulse Output frequency
output. This is a "current
(+)
sinking open collector"
output ***
POWER INPUT
-)
12-36VDC Input A**
12-36VDC Input B**
(+)
**NOTE: Polarity of voltage for DC is not
important. However, an earth ground
isolated power supply is required to
prevent earth ground loop currents and
ground fault conditions.
***NOTE: This output may require an
external pull up resistor if interfacing
equipment does not include one.
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