User's Guide

Scope Communications UK Ltd
LTX1 Transmitter User Manual
LTX1MAN Page 6 of 10 Issue 2
Programmable "Repeat Until Cancel" option available on contacts 1 - 3. Repeat
time interval is programmable. Reset function on contact 4 (cancels all repeats).
Configurable trigger messages, 21 characters max per contact.
Configurable Reset message, 21 characters max.
Configurable Low Battery message, 21 characters max.
Configurable Battery Shutdown message, 21 characters max .
Programming via Scope programming cable and PC based application software.
The unit is powered from an external DC source of between 3V and 12V.
Programming Interface
TTL UART compliant interface. Scope TTL/USB Interface cable is required for
the LTX unit. Use of other interface modules are not guaranteed to work, may
damage the LTX unit and will void all warranties.
Note: Care must be taken when interfaced via the TTL connections.
Communications levels MUST NOT exceed 3.3V or damage may occur to
the device. Scope will not accept liability if damage occurs from use of a
non approved Scope interface.
Non Voltage Contacts
Configurable Message for each Contact (Up to 21 Chars).
Can be configured as Normally Open, Normally Closed or Toggle (1).
Repeat Enabled (Up to 4 for each event).
Repeat Time can be configured (5 - 255 secs in 5 second steps)
Test Call Repeat Message (Up to 18 Hrs)
Reset Message (Up to 21 chars).
Low Power Message (Up to 21 chars) (2)
Power Shutdown Message (Up to 21 chars) (3)
Contact Response Time = 30mS Min, 50mS Max (Contacts cannot be used as a
fast pulse detector).
(1) Normally Open is recommended for Low Power Long life Applications . On toggle mode no
repeats are transmitted.
(2) When a low power event is detected, the Transmitter output power is automatically reduced in
order to maintain maximise battery life
(3) When the power can no longer support the Transmitter, a power shutdown message is
transmitted.