TReX User Manual v2.14 Firmware
Protocols Supported:
•
Modbus RTU
•
Modbus TCP
•
WTE
•
WTE Custom
•
PET/TAP
•
ESPA 4.4.4
•
Multitone
•
Scope
•
SAL
•
Ascom
•
TPP
•
TNPP
•
TNPPB-NZFS
Input Messages:
•
Input max configured message length 50 characters
Temperature Limits:
•
Operating -30 to + 55 degrees Celsius ambient.
•
Storage/Transit -70 to +70 degrees Celsius.
Fault Reporting:
•
High/low supply voltage.
•
High temperature.
•
RF Power fault
•
Antenna fault
•
Comms link fail
Max Rx Input Power:
•
17dBm. Direct connection above 17dBm (50mW) will destroy the receiver.
Receiver at 450.5MHz, 512 baud 12.5kHz (compliant with EN300113):
•
Sensitivity: -123dBm. Desensitised at frequency multiples of 26MHz (and within 50kHz).
•
Selectivity @ +/- 1 channel: 61dB
•
Bocking at 1MHz offset: Tolerates -20dBm
•
Co-channel Rejection Ratio: Rejects unwanted signal at -4dB
•
Error Behaviour at high signal levels: Decodes wanted signal at +13dBm.
Antenna Connector:
•
BNC
Firmware
•
Field upgradable.
Communication Interfaces:
•
1 x RS232
© WTE Limited, 2018 – Christchurch New Zealand
Page 156 of 158