AR1000 User’s Manual
Rev 1.7 1/10
11
4.
Signal and Power Interface
The AR1000 has a multipurpose cable (sensor cable) with solder tail wires. Connection and
termination according to the instructions is essential for correct sensor operation. Read the wire
descriptions for connection information.
Figure 7 AR1000 multipurpose cable with 10 conductors plus shield and corresponding pin arrangments
4.1.
Sensor Cable Wire Colors and Functions
The tables below shows the wiring on systems ordered without power supplies.
Wire
Pin
Function in All Modes
Brown
C
External Trigger Input (3V to 24 V)
Red
D
Analog output (4-20 mA current loop)
Orange
G
Supply V15V (10- 30 VDC)
White H
Alarm
Output
Grey J
Ground
(serial)
Blue
L
Ground (Power supply common return)
Clear
Shield
The serial communications wires can be used for RS232 or RS422.
Function in Selected Serial Mode
Wire
Pin
RS232 models
RS422 models
Yellow
B
RxD – Receive Data
RX– : Receive Data –
Green
A
TxD – Transmit Data
RX+ : Receive Data +
Black
E
TX- : Transmit Data -
Violet
F
TX+ : Transmit Data +
Grey J
Ground
(serial)
4.1.1.
Power Supply (Orange, Blue)
The Blue wire is the Power Supply Common return, also named Ground. It carries the return
current for the power supply and the analog signals.
The Orange wire is the Power Supply Input to the sensor. The sensor re10 VDC
power at 125 mA. The Analog Output uses an additional current up to 25 mA.
