Mantracourt T24-AO1, Technical Manual

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Mantracourt Electronics Limited
T24 Technical Manual
36
T24-PA [Pulse Acquisition]
Overview
The T24-PA is a remote acquisition module for the collection and processing of pulse related measurements.
This includes measuring the period between pulses to provide outputs in Hz, RPM and Time as well as actual
pulse counting. The module senses the input for a user defined time and then periodically transmits the data.
Various devices are available that utilise the transmitted data and include handheld and PC displays etc.
Communications
To configure the device you will use the Read and Write mechanisms described in the
Data Packet Structures
section to read and write parameters and execute commands.
Parameter List
Parameter
Command
Number
Description
Native
Data
Type Read /
Write
ID 3 Read the unique identifier ID for this device. (3 bytes) BINARY 3
bytes R
Version 53 Read the firmware version. FLOAT R
Channel 11 Radio Channel UINT8 RW
EncKey 15 The radio encryption key to operate on. Requires
power cycle or Reset to enable.
Not supported in this
release.
BINARY
16 Bytes RW
Power 12 Set or read the output power level. (0-100%) UINT8 RW
Name 10 Set or read a user defined name. (11 characters) STRING
11 Bytes RW
Model 51 Read the model number of the device. STRING
11 Bytes R
WakeChkInt 16 Set or read the interval in milliseconds that a sleeping
device will wake to request a full wake from the base
station. (default 3000) UINT16 RW
UseCSMA 18 Select whether to use
Carrier Sense Multiple Access
techniques on transmission
.
Value Description
0
Disabled
The
Carrier Sense Multiple Access
will be
disabled. NOT RECOMMENDED
1
Enabled
The
Carrier Sense Multiple Access
will be
enabled.
See
Unslotted CSMA/CA
in
Appendix A
UINT8 RW
BattLevel 69 The voltage measured on the battery. FLOAT R
BattLowLevel 110 Set or read the battery voltage at which the low
battery flag will be set in all received packets and in
the Status parameter). FLOAT RW
LowPowerMode 75 Defines power save mode.
0 = Awake all the time and transmit at TxInterval.
1 = Sleep. Wake at TXInterval, acquire value, transmit
value, sleep. UINT8 RW
TxInterval 76 Time Interval between Transmissions. Set mS INT32 RW
SampleTime 78 Set or read the SampleTime in milliseconds for
acquiring a reading at each TxInterval interval. The
larger the SampleTime the more accurate the reading
but at the expense of battery life. The Sample time
should be at least 2 times the highest interval
expected between inputs. (Default 5) UINT16 RW
SleepDelay 77 Time period before switching to low power sleep mode
if no StayAwake command or trigger received.
Setting to zero disables. UINT16 RW
DataTag 119 Set or read the 2 byte Data Tag that is used when
transmitting the weight in a Data Provider Packet. UINT16 RW