Sensorex PH DR Product Instructions

INTRODUCTION
Thank you for choosing
Remote Electronics. This instruction manual covers all
remote electronics modules for PH, ORP, DO, contact
conductivity(CCOND),
chlorine(FCL) and chlorine dioxide(CLD) sensors.
remote electonics modules are offered in DIN Rail and
blind enclosure version. Output for the modules (either
Modbus RTU or 4-20mA) is marked on the product label.
WIRING - SENSOR INPUT -DR
pH - See Fig 1 - note: electrodes without temperature
requires a 1.1K Ohm resistor between terminal #6 & #7.
ORP - See Fig 2
DO - See Fig 3
CCOND - See Fig 4- note: electrodes without temperature
requires a 1.1K Ohm resistor between terminal #3 & #4.
TORCOND- See Fig 5
Note: Communication output and power cables will be supplied by
the user.
WIRING - MODBUS 485
V+(9) = 24VDC
V- (17) = (GND)
MODBUS A = (10)
Modbus B = (11)
WIRING - 4-20MA (FIG 5A)
V+(9) = 24VDC + CONNECT TO POWER SUPPLY +
V- (12) (GND) - CONNECT TO PLC INPUT
POWER SUPPLY - CONNECT TO PLC GND
Parts covered by this instruction sheet: SSRE all models
11751 MARKON DRIVE • GARDEN GROVE, CA 92841 • 714.895.4344 • WWW.SENSOREX.COM
© Sensorex Corporation. All rights reserved. In the interest of improving and updating its equipment, Sensorex reserves the right to alter specifications to equipment at any time.
Sensorex Smart
toroidal conductivity(TOR),free
DESIGNED AND ASSEMBLED IN CALIFORNIA, USA
SMART SENSOR REMOTE
ELECTRONICS -
Sensor
The
FIG 1-PH DR
FIG 4-CCOND DR
FIG 5A- 4-20MA WIRING
PRODUCT INSTRUCTIONS
FIG 2-ORP DR FIG 3-DO DR
FIG 5-TOR COND DR
+
power
supply
-
PLC,
+
SCADA,
other
4-20mA
-
device
INSTRSSRE04122024