Specifications

HYDROLOGICAL SERVICES
DL3 100-07 IMP
Issue 2: 15/11/2005
Black Connector Pin K
Black Connector Pin J
RRDL-3 Logger
Black Connector Pin L
QuadratureB
voltage free
contact
QuadratureA
voltage free
contact
Black Connector Pin B
Isolated Rx
Black Connector Pin A
Isolated Tx
RRDL-3 Logger
Black Connector Pin C
Isolated Gnd
External
4-20mA
Smart
Sensor
Interface
12V Battery
+
Sensor 0v
Switched +12V
4-20mA Transducer
4-20mA Sense
3.1.2 River Sensor
Connection of Quadrature River Sensor (MO=Off & Dip Sw 1-6 Off)
Connection of 4-20mA River Transducer with External Smart Sensor
(MO=Off & Dip Sw 1-6 On)
* Pinc C not used for 2-wire systems
Optional Internal Smart Sensor + External Batteries
(Note: Internal Smart Sensor interface physically replaces the internal battery pack)
Pin Connection Signal Name
A 4-20mA Transducer switched +12V
B 4-20mA Transducer In
C 4-20mA Transducer Gnd
D Power 12v
EPower0v
F Ext. Sensor Control (Not Implemented)
H Bucket Tip
J Quadrature A
K Digital Sensor Gnd
L Quadrature B