GH5200 I/O settings

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Main Page > Personal Trackers > GH5200 > GH5200 Configuration > GH5200 I/O settings

When no I/O element is enabled, AVL packet comes with GNSS information only. After enabling I/O element(s) AVL packet contains current value(s) of enabled I/O element(s) along with GNSS information.

Input Name

I/O element name.

Current Value

If device is connected to Configurator all current I/O values are displayed in this column. Also I/O current values can be seen in Status→I/O Info tab.


Units of measurement.


This field allows to enable I/O elements and setting them a priority so they are added to the data packet, which is sent to the server. By default 8 I/O elements with Low priority are enabled: , Movement, Data Mode, GSM Signal, Sleep Mode, GNSS Status, GNSS PDOP, GNSS HDOP, , Battery Voltage. All records made by GH5200 are regular, and regular packets are sent as low priority records.

Priority level (AVL packet priority) can be:

None Priority

Module doesn't make additional record.

Low Priority

Module makes an additional record with an indication that the event was caused by an I/O element change (depending onas Operands configuration).

High Priority

Module makes an additional record with High priority flag and sends event packet immediately to the server using GPRS.

Panic Priority

This priority triggers same actions as High priority, but if GPRS fails, it sends an AVL packet using SMS data if SMS data sending is enabled and the number is provided in SMS/Call Settings.

High and Low Level

These levels define I/O value range. If I/O value enters or exits this range, GH5200 generates an event.

Event Only

When this is selected, I/O element status value will be appended only to eventual records, otherwise I/O element status value will appear in each AVL record.


Defines when to generate event: On Exit, On Entrance, On Both, Monitoring, On Hysteresis, On Change or On Delta Change.

Operand On Exit

Record is generated when input value leaves a range between low and high level limits.

Fmb120 on exit.png

Operand On Entrance

Record is generated when input value enters a range between low and high level limits.

Fmb120 on entrance.png

Operand On Both

Record is generated by both On Exit and On Entrance operands' logic at same time.

Fmb120 on both.png

Operand Monitoring

No event at all. Values are recorded only when other triggers worked.

Fmb120 operand monitoring.png

Operand On Hysteresis

Record is generated when input value crosses the high limit value from below the low limit value or vice versa.

Fmb120 on hysteresis.png

Operand On Change

Record is generated when input value changes.

Fmb120 on change.png

Operand On Delta Change

Record is generated when input value changes and the absolute change becomes equal to or higher than the limit value.

Fmb120 on delta change.png

Avg Const

If Avg Const value is 10, new value must be present for 1 second to register the change to a new value. Internal sampling is done every 40 ms, so 25 samples are taken per second. To configure 5 seconds of averaging multiply 10 by 5 yielding 50 as Avg Const value. The same logic works if the device is in Deep Sleep mode.
Averaging follows RC exponential curve, see image below:

Fmb120 avg const.png

For Boolean values of 5τ, values is used, that means value change is taken when new values is averaged to more than 99.3%.

Send SMS To

Sends SMS notification about event to selected number from SMS/Call Settings GSM Predefined Numbers list if event priority is set to Low, High or Panic.

SMS Text

The SMS Text field can be altered and any text can be entered. Maximum message length is 160 symbols (numbers, letters and symbols in ASCII, except for comma “,”).

SMS Event Text may be either in default or composed format.

Default format:

Date, time, longitude, latitude, 'SMS text', value


2018/11/02 12:00:00 Lon:0.000000 Lat:0.000000 Alarm 1

Composed format:

Composed format may consist of text and defined commands which start with % symbol.

Supported commands:

Command Description
imei IMEI
fw Firmware version
fullfw Full firmware version
modem Modem firmware version
gnss GPS firmware version
lat Latitude (non-float value)
lon Longitude (non-float value)
sat Satellites in use
time Timestamp
pdp PDOP
hdp HDOP
mov Movement
op GSM operator
spd Speed
sig GSM signal
slp Sleep Mode
cel Cell ID
lac Area Code
datetime time in hh:mm:ss format
val Eventual IO value
io'par_id' Element value by parameter ID
gmap Google Maps link

Composed text example:

%imei Movement %io50010

Event SMS text:

352094082828606 Movement 1

If GH5200 is in Deep Sleep or Ultra Deep Sleep mode and an SMS event occurs with Low priority (which does not wake up GH5200), then the device does not send the message. It is saved to device memory until it wakes up from Deep Sleep or Ultra Deep Sleep mode and GSM modem starts working normally. After it wakes up, all the messages that are saved to memory will be sent, but keep in mind that only 10 messages can be saved to memory – all other messages will not be saved, until there is free memory space.