User guide

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Due to continuing product development this information is subject to change without notice. In-Situ and the In-Situ Inc. logo, Win-Situ, TROLL, BaroTROLL, RuggedReader,
RuggedCable, and RDO are trademarks or registered trademarks of In-Situ Inc., Fort Collins, CO, USA. Copyright © 2006, 2008 by In-Situ Inc. All rights reserved.
1 800 446 7488
bULKHEAD cONNEcTOR
Catalog No. 0053240
0053242 rev. 003 03/08
LEvEL TROLL ANALOg (4-20 mA) 2 WiRE
4-20 mA brown
PLC or Data Logger
GND/RETURN black
+
-
signal
12-36 VDC
LEvEL TROLL / AqUA TROLL sDi-12 3 WiRE
EXT PWR red
GND/RETURN black
Data Logger
9.6-16 VDC
SDI-12 white
RS485 (–) green
RS485 (+) blue
AqUA TROLL ANALOg (4-20 mA) 3 WiRE
4-20 mA brown
PLC or Data Logger
GND/RETURN black
+
-
signal
12-36 VDC
EXT PWR red
MODbUs MAsTER
* Optional but highly recommended
EXT PWR red
GND/RETURN black
Digital PLC
12-36 VDC*
RS485 (–) green
RS485 (+) blue
with RS485 built in
RS485
RS232
* Required if port power is not available
DB9F
TD(A) TD(B) GND GND +12V
RS485 (–) green
RS485 (+) blue
pin 5 gnd
pin 3 txd
pin 2 rxd
GND/RETURN black*
EXT PWR red*
cONvERTER
Port-Powered RS485 converter,
such as B&B Electronics Model
485SD9TB
MODbUs MAsTER
* Voltage limited by converter
EXT PWR red
GND/RETURN black
Digital PLC
12 VDC*
RS485 (–) green
RS232 (RXD)
RS232 (TXD)
Converter
Gnd +12V
RS485 (+) blue
with RS232 built in (converter required)