
04 QUICK START USER MANUAL ENVOY
2 ENVOY EXTERNAL FEATURES
Detachable screw
terminals for
I/O termination
Threaded insert for the supplied
quick-release mounting plate
Local serial port
for direct connect
(with internal
modem disconnect)
LED indicators
• MODEM
• DATA/RSSI
• STATUS
See 1.1 for description of
colours and flash sequences.
Antenna
connection
(modem)
2.1 LED Indicators
The three LED indicators are designed for low power consumption so remain in off-state except when particular
functions are active or require attention.
MODEM
When on, modem is active.
DATA/RSSI
When on, data is being transmitted.
STATUS
The status LED indicates the current condition of the datalogger module. General behaviour is that this LED
flashes once each scan cycle, while the scan is executing, although the Status LED can be disabled through the use
of the ScanLEDOff program instruction. If a fast flash of 2 flashes each scan interval is occurring, then a diagnostic
trap code may be read for further instruction. This may indicate memory failure.
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