WM Systems M2M Easy 2S NB User manual

M2M Easy 2S NB®
with Impulse firmware
Installation Guide
____________________________________
Doc v 1.20
2019-09-06

2
Document specifications
This documentation was made for the M2M Easy 2S NB
®with the impulse counter firmware
version, which were developed by WM Systems LLC. This document contains the step-by-step
description of its installation, the program update process and the detailed introduction of the
setup parameters necessary for its operation.
Document Type:
Installation Guide
Device:
M2M Easy 2S NB
®
Author:
Tóth Csaba
Checked by:
Horváth Attila
Document revision:
v1.20
Pages:
39
Hardver version:
v9.1
Firmware version:
V23R08I12NB
Bootloader version:
REV 0.95
EasyTerm Software version:
REV 1.3.5
Document Status:
Final
Availibilty:
Public
Made at:
14 May, 2019
Last Modification:
17 July, 2019
Valid from:
17 July, 2019

Table of Contents
1. Connecting the ports ......................................................................................4
1.1 Connectivity.......................................................................................................................... 4
1.2 Cabling and wires.................................................................................................................. 5
1.3 LED signals........................................................................................................................... 8
1.4 Operation requirements ....................................................................................................... 12
2. Installation of the device .............................................................................13
2.1 Installation on location site .................................................................................................. 13
2.2 Turning on the device ......................................................................................................... 13
3. Connecting the device to a computer ...........................................................15
3.1 Required software components ............................................................................................ 15
3.2 Connecting with a computer................................................................................................. 15
4. EasyTerm (configuration, software refresh) .................................................16
4.1 Introducing the EasyTerm tool ............................................................................................. 16
4.2 Connecting to the device ..................................................................................................... 17
4.3 Status and device data ........................................................................................................ 20
4.4 Terminal window, communication messages.......................................................................... 20
4.5 File handling....................................................................................................................... 21
4.6 Firmware upload/refresh...................................................................................................... 23
4.7 Device restart ..................................................................................................................... 26
4.8 Factory default settings ....................................................................................................... 26
5. Configuring the Easy 2 ................................................................................28
5.1 Cellular network settings...................................................................................................... 28
5.2 Impulse counter settings ..................................................................................................... 30
5.3 Remote IP Server settings .................................................................................................. 32
5.4 Test mode –testing the incoming/received signals................................................................. 34
5.5 Firmware update/refresh from FTP server ............................................................................. 35
6. Troubleshooting ...........................................................................................34
6.1 A failure signed by the LED flashing ..................................................................................... 34
6.2 Signing the status and signal strength problems .................................................................... 35
7. Support availability .......................................................................................37
7.1 Support help....................................................................................................................... 37
7.2 Product support .................................................................................................................. 37
8. Legal notice ..................................................................................................37

4
Chapter 1. Connecting the ports
1.1 Connectivity
Input, output connections
1 –SIM-card holder (push-insert)
2 –SMA antenna connector (Narrow Band antenna, 50 Ohm)
3 –PWR +/-: Power supply connector (8-24VDC, min. 300mA)
4 –IN1, IN2: 2pcs connector for input lines (for impulse capable meters)
5 –NOT USED connector
6 –Jumpers for the input lines (IN1, IN2) to select the operation mode
galvanically independent voltage input –NOT USEFUL
contact input (detection of wire cut (by using a 10kΩ EOL resistor) or short) –
YOU HAVE TO CHOOSE THIS FOR IMPULSE COUNTING
7 –PROGRAM CONNECTOR: micro USB (for configuration, software upload)
1
2
3
4
5
7

5
1.2 Cabling and wires
Preparation
Take the 4 spacer fixing tabs provided with the device, and place them into the PCB holes as
shown in the picture.
Prepare a screwdriver, the 2 terminal blocks
provided with the device, and the stripped
wire pair necessary for connection, with
appropriate distinctive colors (power
connector –e.g. black-red, input-output wire
pairs –e.g. black-blue, alarm input –e.g.
black-white).
Connecting the inputs
The device has 2 input lines (IN1, IN2), where
external impulse-signal capable devices (meters) can be connected –e.g. water or gas meter -
by its wire pairs, in accordance with the standard connection method shown below, by fixing the
cable wire pairs for each input.
The input mode can be selected by the internal jumpers –beside the terminal block of the input
lines (3-3 pins for IN1, and 3-3 pins for the IN2) –according to the input line nr. titles.
Take care for the proper position of the jumpers. The contact (impulse) operation mode must
be also configured as well with the EasyTerm application.

6
Input line operation mode (selection by jumpers):
Contact mode (DRY)
oPut the jumper (CLOSE) on the IN1 or IN2 line’s 2-pins (two pair of pins),
each pair must be jumpered on the closer side of the terminal block
(connector) –as you can see in the picture.
Signal levels in DRY mode:
Contact resistance: 0 –1kOhm
Impulse signal frequency: 0 –500Hz
When the inputs are activated (IN1, IN2) the INx LEDs are signing the active (closed) status
during the operation, with the proper light and colour. See LED signals part.
EOL resistor (for DRY mode)
For the detection of wire cut, you have use and connect a 10kΩ resistor by parallel to
the contact.

7
Voltage mode (WET)
oPut the jumper on the IN1 or IN2 line’s 2-pins (two pair of pins), each pair
must be jumpered closer to the LED side –as you can see in the following
picture.
Signal levels (WET mode –voltage input):
Input high signal level: 8 - 24V
Input low signal level: 0 - 1V
Impulse signal frequency: 0 –500Hz
When the input were activated (IN1, IN2) the INx titled LEDs are signing the active (high signal
level) status during the operation, with the proper light and colour. See LED signals part.

8
Connecting the power supply
The 8-24V power-supply voltage (typically 12V
power adapter, or 24V power supply) can be
connected to the PWR input through a wire
pair. When connecting the power, the device
will be immediately started to operating, when
the PWR LED will indicate it with the
appropriate color/light.
Attention!
Do not forget to insert the SIM-card previously –see Chapter nr. 2. Pay close
attention to polarity! Holding the serials facing us, the right side of the PWR connector is the
positive pin and the left side is the negative pin!
1.3 LED signals
The status LEDs are helping to understand the current operation of the device.
LED
Function
Description
LED
státusza
Behaviour
GSM
receiving
wireless signal
strenght
Signing the available signal strenght –more
flashes = better signal strength
red
flashing
STA
wireless modem
status
In case of normal operation it signs the GPRS
communication status
See the detailed description ot STA LED part
yellow
flashing
/lights
IN1
Input #1 signal
In case of high level (contact active) its
lighting, in case of low level its blank (when
no contact).
green
lights
IN2
Input #2 signal
In case of high level (contact active) its
lighting, in case of low level its blank (when
no contact).
green
lights
OUT
-
Inactive
-
-
MDM RDY
Modem operation
Modem status. Flashes intermittently if the
modem operates and accessible.
red
flashing

9
GSM: wireless network status LED - red
The numbers of the GSM LED flashing sequence signs the current RSSI signal strength of the
wireless network (more flashes are meaning a better signal reception).
There is 10 seconds between the flash signals. One flashing takes 50 msec, then half a second
breaking continues.
RSSI value
(AT+CSQ)
Cellular signal strength
(receive)
GSM LED flashing
99
unknown, faulty value
0 - Bad
0..7
-113 dBm.. -99 dBm
1 - Weak
8…11
-97… -91 dBm
2 - Average
12..15
-89… -83 dBm
3 - Average
16…19
-81… -75 dBm
4 - Good
20…23
-73… -67 dBm
5 - Good
24…27
-65… -59 dBm
6 –Perfect
28…31
-57… -51 dBm
7 - Perfect
STA: Status LED - yellow
The STA LED assures information about the current operation. It will be active only if the
wireless signal transmission permitted. In this case from the beginning of the signal transmission
the LED starts to flashing.
It has 3 modes:
lighting continuously: the last wireless signalling was succesful
with 3 second of breaks * nr. of flashing (the light interval period is half a seconds),
failure code (see later)
Turned off: wireless operation mode, no error
ALR
-
Inactive
-
-
PWR
Operation
Signs the presence of the processor power
supply (3,3V)
green
lights

10
Failure codes –for signing the device opreation troubles –in case of a failure, read the
Troubleshooting Chapter.
1 flash - Module failure
The serial connection is not operating properly between the module and the Easy 2S NB
board. After 1 minute, the device automatically tries to restart the module.
2 flashing - SIM card failure
Possible reasons:
othere is no SIM card inserted
oSIM card pinpad contact error
The device in this status will not continues its initialization, the receiving of serial port
commands is still active (for parametrizing). After 1 minute, the device automatically tries
to restart the module.
3 flashing - PIN authentication failure
Possible reasons:
owrong PIN code
oPUK code (security code) is necessary to give in
The device in this status will not continues its initialization, the receiving of serial port
commands is still active (for parametrizing). After 5 minutes, the device automatically
tries to restart the module.
4 flashing –The device cannot login to the GSM network
Error during the network registration. After 5 minutes the device restarts the modem
and retries.