1. Introduction
SCOM-100 is a controller unit for alarm annunciation and remote control using SMS.
The main unit incorporates a Quad Band (850/900/1800/1900MHz) GSM modem, 2
analog inputs, 4 digital inputs, 4 power relay outputs (250V/10A) and a serial RS-232
port. Front panel LED indicators monitor control and digital I/O states.
This step by step troubleshooting guide intends to to provide a general idea of
SCOM's SMS handling and troubleshooting, based on a verification method, quickly
and easily.
What you need:
•
An
SCOM100.
•
An appropriate power supply to power the unit. Minimum 12VDC, 0.8A
•
A GSM antenna attached to the SCOM100 device.
•
A SIM card capable of seding and receiving SMS messages
Since SCOM100 relies on external factors to provide a functional environment such
us the SIM card, the GSM network coverage and quality, this document will try to
illustrate using simple flowcharts all the possible causes.
2. Power issues
Please follow the SCOM100 device manual to wire an appropriate power supply to
power the unit.
For an
SCOM100-12 a 12VDC/0.8A is needed,
for an SCOM100-24 a 24VDC/1A is needed,
After power up the SCOM100 unit will perform a test procedure. Front panel LEDs
conditions indicating a normal operation should be as follows.
SCOM100
Remote control and alarming
SCOM100: Troubleshooting
Vers. 1.0-1.1.5 – October 2012
Power LED: ON
Network LED:blinking
Status LED: ON
Ready LED: ON
