WM Systems WM-E8S User manual

WM-E8S®
smart metering modem
User Manual
___________________________________________________
Rev: 1.20
2022-06-15

Document specifications
This document was completed for the WM-E8S® modem device and contains the
details of installation, configuration for usage of the device.
Document category:
User Manual
Document subject:
WM-E8S
®
Author:
WM Systems LLC
Document version No.:
REV 1.20
Number of pages:
18
Hardware Identifier No.:
WM-E8S v1.x / v2.x / v3.x
Firmware version:
v1.x, v2.x
WM-E Term configuration software version:
v1.3.69
Document status:
Final
Last modified:
15 June, 2022
Approval date:
15 June, 2022

Chapter 1. Technical data
1.1 Power voltage / Current ratings
•Power Voltage / Ratings: ~85..300VAC (47-63Hz) / 100..385VDC
•Current: Stand-by: 20mA @ 85VAC, 16mA @ 300VAC / Average: 25mA @ 85VAC,
19mA @ 300VAC
•Consumption: Average: 1W @ 85VAC / 3.85W @ 300VAC
1.2 Cellular module(s)
•Cellular modules (order options)
oSIMCom A7672SA
▪LTE: B1(2100) / B2(1900) / B3(1800) / B4(1700) / B5(850) / B7(2600) /
B8(900) / B28(700) / B66(1700)
▪GSM/GPRS/EDGE: B2(1900) / B3(1800) / B5(850) / B8(900)
oSIMCom A7676E
▪LTE: B1(2100) / B3(1800) / B8(900) / B20(800) / B28(700) / B31(450) /
B72(450)
▪GSM/GPRS/EDGE: B3(1800) / B8(900)
oSIMCom SIM7070E
▪LTE Cat.M: B1(2100) / B2(1900) / B3(1800) / B4(1700) / B5(850) /
B8(900) / B12(700) / B13(700) / B14(700) / B18(850) / B19(850) /
B20(800) / B25(1900) / B26(850) / B27(850) / B28(700) / B31(450) /
B66(1700) / B72(450) / B85(700)
▪LTE Cat.NB: B1(2100) / B2(1900) / B3(1800) / B4(1700) / B5(850) /
B8(900) / B12(700) / B13(700) / B18(850) / B19(850) / B20(800) /
B25(1900) / B26(850) / B28(700) / B31(450) / B66(1700) / B85(700)
▪GSM/GPRS/EDGE: B2(1900) / B3(1800) / B5(850) / B8(900)
1.3 Expansion boards
There are the following options to order the product:
-optional MBus add-on board
-supercapacitor option

1.4 Power on the modem
The WM-E8S modem can be powered from ~85..300VAC / 100..385VDC power source
at the N (neutric) and L (line/phase) AC / DC connection pins of the terminal block.
1.5 MBus connection –order option
The modem’s Mbus master connection can be used for max. 4 slave devices, which
can be connected to the +/- pins of the MBus terminal block. The modem provides 24-
36V DC power for the connected Mbus devices.

1.6 Current loop connection
The modem current loop connection can be performed on the +/- connection pins of
the CL terminal block.
1.7 Digital input (DI) connection
The modem digital input connection can be performed on the Input A, B and COM
connection pins. For testing, a short must be made between the COM and A or COM
and B.
1.8 RS232/RS485 connection (RJ45 connector)
The modem RS232/RS485 connector should be wired to the RJ45 connector.
The RS232 uses the pin nr. 1, 2, 3 and pin nr. 4 for DCD Control
The RS485 (for 2-wire connection) uses the pin nr. 5, 6
The RS485 (for 4-wire connection) uses the pin nr. 5, 6, 7, 8
Alternatively you can use the secondary RS485 port on the terminal block.
The modem uses the TCP port nr. 9000 for the transparent communication and port
nr. 9001 during the configuration. The Mbus is working on the port nr. 9002 (baudrate
can be selected between 300 and 115 200 bps).
1.9 Modem configuration
The modem has a pre-installed system (firmware). The operational parameters can be
configured with the WM-E Term®software (through its RJ45 connector in RS232
mode).
The necessary settings of the WM-E Term®software - for SIM APN configuration and
modem force into cellular/mobile communication technology - are described in the
user manual’s Chapter 3.4.
https://www.m2mserver.com/m2m-downloads/WM-E-TERM_User_Manual_V1_92.pdf

Chapter 2. WM-E8S modem construction
WM-E8S modem, assembled with housing and IP52 protected transparent cover
WM-E8S modem in internal terminal enclosure –with SIM-LED board is on top
I
II

2.1 Configuration cable / connection
Use the RJ45 connector for meter connection (for RS232 or RS485 connection) or serial
connection (in RS232 mode) for configuration to the PC.
The pinout of the device’s RJ45 port can be seen below.
RS485 2- or 4-wire connection:
Configure the modem for RS485 meter connection –
2-wire or 4-wire mode:
PIN #5: RX/TX N (-) –for 2-wire and 4-wire connection
PIN #6: RX/TX P (+) –for 2-wire and 4-wire connection
PIN #7: TX N (-) –for 4-wire connection only
PIN #8: TX P (+) –for 4-wire connection only
Serial RS232 connection:
PIN #1: GND
PIN #2: RxD (receiving data)
PIN #3: TxD (transmitting data)
PIN #4: DCD
Make serial connection from the modem to a PC or a
meter by wiring RJ45 connector’s Pin #1, Pin 2, and Pin
#3 –optionally pin nr. #4.
2.2 Prearing to start the device
Step #1: In powered off status, ensure that the plastic terminal cover (marked by „I”) is
placed on the device enclosure („II”) before continue.
Step #2: An active SIM card (2FF type) must be inserted to the modem’s SIM holder.
Take care to the direction of insertion (follow the hints of the next photo). The proper
orientation / direction of the SIM can be seen on the product sticker.
Step #3: Connect the wired serial cable to the RJ45 connector (RS232) according to
the pinout above.
8
7
6
5
4
3
2
1

Step #4: Attach an external LTE antenna (800-2600MHz) to the SMA antenna
connector.
Step #5: Add ~85-300VAC or 100-385VDC power voltage to the AC/DC titled connector
and the device will starting its operation immediately.
Caution! Please consider the following, ~85-300VAC or 100-385VDC
electric shock hazard inside the enclosure! DO NOT open the
enclosure and DO NOT touch the PCB or its electronical parts!
AC/DC: connect ~85..300VAC or 100..385VDC power
/: GND of Digital inputs (DI)
MBUS*: Optional
*Instead of the secondary RS485 port you can order MBUS port
N
L
+
-
RS232/
RS485
ANT
+
-
A
B
/
AC / DC
RS485
CL
DI
II
I

SAFETY CAUTION!
The IP52 immunity protection will be effective only in case of under normal usage
and operation conditions with unharmed hardware conditions by using the
device in the provided enclosure/chassis.
The device must be used and operated according to the related user manual.
The installation can be carrying out only by a responsible, instructed and skilled
person by the service team, who has enough experience and knowledge about
carrying out the wiring and installing the modem device.
Its prohibited to touch or modify the wiring or the installation by the user. It is
prohibited to open the device enclosure during its operation or under power
connection.
It is also prohibited to remove or modify the device PCB. The device and it’s parts
must not be changed by other items or devices. Any modification and repairation
is not allowed without the permission of the manufacturer. It all causes the loss
of product warranty.

2.3 Status LED signals
* LED 1 will be flashing faster if it was registered on wireless network
** LED 4, 5 is available only in case of MBUS version.
2.4 Configuration the device
Step #1: Download the WM-E TERM configuration software to your computer by this
link: https://www.m2mserver.com/m2m-downloads/WM-ETerm_v1_3_69.zip
Step #2: Unpack the .zip file into a directory and execute the WM-ETerm.exe file. (The
Microsoft®.Net Framework v4 must be installed on your computer for the usage).

Step #3: Login to software with the following creditentials:
Username: Admin
Password: 12345678
Step #4: Choose the WM-E8S and push to the Select button there.
Step #5: On the left-side of the screen, click on Connection type tab, choose Serial
interface.
Step #6: Add a name for the profile at the New connection field and push to the
Create button.
Step #7: In the next window the connection settings will appear, where you have to
define the connection profile parameters.
Step #8: Add the real COM port of the device connection according to the available

serial/USB port, the Baud rate should be 9 600 bps or greater, the Data format
should be 8,N,1.
Step #9: Click on Save button to save the connection profile.
Step #10: Choose the saved connection profile at the bottom of the screen to connect
to the modem before readout or configure the settings!
Step #11: Click on the Parameters Read icon in the menu to readout the data
from the modem. Then all parameter values will then be read out and visible here by
selecting a parameter group. The progress will be signed by the indicator bar on the
right-bottom side of the screen. At the end of the readout push to the OK button.
Step #12: Then select the required parameter group and push to the Edit values
button. The editable parameters of this group will appear on the screen (bottom side).

Main settings:
Step #1: Choose the Parameter read icon to connect to readout the current
settings of the modem.
Step #2: Choose the APN parameter group, and push the Edit settings button. Add
the APN server name value, if necessary give the APN username and APN password
values and push the OK button.
Step #3: Then choose the M2M parameter group, and push the Edit settings button.
At the Transparent (IEC) meter readout port, give the PORT number, by which you
try to readout the meter. Add this PORT number to the Configuration and firmware
download, which you want to use for remote parameterization of the modem / for
the further firmware exhange.
Step #4: If the SIM uses a PIN code, then choose the Mobile network parameter group,
and add the SIM PIN to the field. Here you can change the Frequency band settings

to 4G only or LTE to 2G (for fallback feature), etc. You can also select here a dedicated
mobile network provider (auto or manual). Then push to the OK button.
Step #5: For configuring the RS232 serial port and transparent settings, open the
Trans. / NTA parameter group. Basic device settings are the Multi utility mode:
transparent mode, Meter port baud rate: from 300 to 19 200 baud (or use the default
9600 baud), Fixed 8N1 data format (by checking the box at the meter). Confirm the
setting with the OK button.
Step #6: For configuring the RS485 parameters, open the RS485 meter interface
parameter group. Here configure the RS485 mode to the right value according to the
cable version you use (2-wire or the recommended 4-wire). Then push the OK button.
(In case of using RS232 mode only, disable the RS485 port here, please.)
Step #7: When you have finished, choose the Parameter write icon to send the
changed settings to the modem. The status of the configuration process can be seen
at the bottom of the screen. At the end of the upload, the modem will be restarted and
operating according to the new settings.
Further optional settings:
•To refine the modem handling choose the Watchdog parameter group.
•Save the current last good configuration at the File/Save menu item. Later you
can distribute this setting (file) to another modem device by one click.
•Firmware refresh: choose the Devices menu, Single Firmware refresh item by
choosing the appropriate firmware file (with .dwl file extension).
Attention! Ask our sales about the available newest firmware!
2.5 Connecting to a meter
After the successful configuration, disconnect the RS232 cable from your PC and use
an RS232 cable or a RS485 cable (2-wire or 4-wire) from the RJ45 port to the meter –
which has the primary RS485 port also.
Optionally you can also use the secondary RS485 port (of the terminal block).

Any further settings can be perfomed by hints of the WM-E Term User Manual:
https://www.m2mserver.com/m2m-downloads/WM-E-TERM_User_Manual_V1_92.pdf
2.6 Signal strength
Check signal strength of the cellular network in the WM-E Term®software Device
Information menu or by using the icon. Check RSSI value (at least it should be
yellow –which means average signal strength –or better if it is green). You can change
the antenna position while you will not receive better dBm values (the status must be
readout again for refresh).
2.7 Power outage management
The firmware version of the modem is supporting the LastGASP feature, which means
that in case of power outage the modem’s supercapacitor allows to operating further
the modem for a short time (a couple of minutes).

In case of detecting the loss of mains/input power source, the modem generates a
“POWER LOST” event and the message will be immediately transmitted as an SMS
text to the configured phone number.
In case of recovering the mains/power source the modem generates the “POWER
RETURN” message and sending by SMS text.
The LastGASP message settings can be enabled by the WM-E Term®application –in
the AMM (IEC) parameter group part.

Chapter 3. Support
If you have a technical question regarding the usage You can find us on the following
contact possibilities:
Email: [email protected]
Phone: [phone]
3.1 Support
The product has a identification void which has important product related
information for the support line.
Warning! Damaging or removing the void sticker means the loss of product
guarantee.
Online product support available here: https://www.m2mserver.com/en/support/
3.2 Product Support
The documents and information related on the product are available here.
https://www.m2mserver.com/en/product/wm-e8s/

Chapter 4. Legal notice
©2022. WM Systems LLC.
The text of and illustrations presented in this document are under copyright.
Copying, usage, replication or publication of the original document or its’ parts are
possible with the agreement and permission of the WM Systems LLC. only.
The figures in this document are illustrations, those can be different from the real
appearance.
The WM Systems LLC doesn’t take any responsibility for text inaccuracy in this
document.
The presented information can be changed without any notice.
The printed information in this document are informative only. For further details
contact us.
Warning
Any fault or upcoming error during the software upload/refresh can lead to the
device breakdown. When this situation happens call our specialists.