505u-k radio telemetry module user manual – Westermo RM-505U-K User Manual
Page 4
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505K Radio Telemetry Module
User Manual
ELPRO Technologies Pty Ltd 2008
Page 4
505U-K Radio Telemetry Module
USER MANUAL
1 OVERVIEW ------------------------------------------------------------------------------------------ 6
1.1
I
NPUT
S
IGNALS
................................................................................................. 6
1.2
P
OWER
S
UPPLY
............................................................................................... 7
1.3
R
ADIO
T
RANSMITTER
........................................................................................ 7
1.4
C
ONFIGURATION
............................................................................................... 7
2 OPERATION ---------------------------------------------------------------------------------------- 8
2.1
N
ORMAL
O
PERATION
......................................................................................... 8
2.2
W
HAT INFORMATION IS TRANSMITTED OVER THE RADIO
? ...................................... 8
2.3
H
OW OFTEN IS THE INPUT INFORMATION SENT BY RADIO
? ..................................... 8
2.4
I
NPUTS
............................................................................................................. 9
2.4.1
Digital Inputs............................................................................................. 9
2.4.2
Pulse Inputs ............................................................................................. 9
2.4.3
Shaft Encoder Inputs.............................................................................. 11
2.4.4
Pulse Rates ............................................................................................ 11
2.4.5
Analogue Inputs ..................................................................................... 11
2.4.6
Setpoint Status ....................................................................................... 13
2.4.7
Supply Voltage ....................................................................................... 13
2.4.8
Low Supply Voltage Alarm (Supply LowVolts) ....................................... 13
2.4.9
Supply Failure ........................................................................................ 14
2.4.10
Communications Failure......................................................................... 14
2.5
H
OW TO
D
ESIGN A
R
EMOTE
M
ONITORING
S
YSTEM
............................................ 14
2.5.1
Achieving reliable radio transmission ..................................................... 14
2.5.2
How far will the radio transmit? .............................................................. 15
2.6
C
ALCULATING
P
OWER
C
ONSUMPTION
.............................................................. 16
3 HARDWARE INSTALLATION---------------------------------------------------------------- 19
3.1
H
OW TO MOUNT THE
505K .............................................................................. 19
3.2
A
NTENNA
I
NSTALLATION
.................................................................................. 20
3.2.1
Dipole antenna. ...................................................................................... 21
3.2.2
Yagi antenna. ......................................................................................... 21
3.2.3
Collinear antenna. .................................................................................. 22
3.3
C
ONNECTION
P
LUG
......................................................................................... 22
3.3.1
PL1-K Plug Lead .................................................................................... 24
P
OWER
S
UPPLY
......................................................................................................... 25
3.4.1
Battery Pack BU-5-2............................................................................... 25
3.4.2
External Power ....................................................................................... 26
3.5
I
NPUT
S
IGNAL
C
ONNECTIONS
........................................................................... 26
3.5.1
Digital/Pulse Inputs................................................................................. 26
3.5.2
Shaft Encoder Connections.................................................................... 27
3.5.3
Analogue input ....................................................................................... 27
3.5.4
RS232 serial port.................................................................................... 28