Pilot Communications SPM20 Manual de usuario
SPM20
Circuit Monitoring System
Installation & Operation Manual V0.4
Danger & Warning
This device can be installed only by professionals.
The manufacturer shall not be held responsible for any accident
caused by the failure to comply with the instructions in this manual.
Risks of electric shocks, burning, or explosion
This device can be installed and maintained only by qualified people.
Before operating the device, isolate the voltage input and power supply
and short-circuit the secondary windings of all current transformers.
Use appropriate voltage tester to make sure the voltage has been
cut-off.
Put all mechanical parts, doors, or covers in their original positions
before energizing the device.
Always supply the device with the correct working voltage during its
operation.
Contents
Chapter 1 General Information..............................................................................4
Chapter 2 Product Type..........................................................................................5
Chapter 3 Figure & Installation..............................................................................5
3.1 Figure dimension......................................................................................5
3.2 Installation Dimension.............................................................................6
Chapter 4 Display & key operation.......................................................................9
4.1 Full display.................................................................................................9
4.2 Status query............................................................................................10
4.3 Key............................................................................................................10
4.4DisplayInterface.................................................................................10
4.5 Data setting.............................................................................................12
Chapter 5 Measurement......................................................................................14
5.1 Real time basic electric parameter....................................................14
5.2 Power Parameter..................................................................................15
5.3 Data setting alarm.................................................................................15
Chapter 6 Communication...................................................................................17
6.1....................................................................................................................17
6.2Communication Protocol.......................................................................17
6.4 Communication Parameter.................................................................17
Chapter 7 Technical information.........................................................................18
Chapter 8 Appendix..............................................................................................19
8.1 Terminal Definition.................................................................................19
8.2Typicalconnectionwiring................................................................20
Chapter 1 General Information
SPM20 CMS is a monitoring system especially to the power terminal by its micro
distributed multi-circuit monitoring unit. It consists the measurement module and
control module, and these two modules is connected by the PLbus general line
which is also researched by Pilot, and the connector plug is by the standard RJ12
which can simplify the installation on site.
SPM20 is suitable to Power distribution cabinet and switch cabinet of the
Low-voltage distribution system less than AC 220V（phase voltage）, and support to
single phase two wires and three-phase four-wires system. One monitoring unit can
support 30pcs measurement modules at most, and can monitor 10 three-phase
circuits or 30 single phase circuits, and have the measurement and metering function
to the general data of the three-phase branch (general power, total electric-energy).
Its current measurement is in maximum 63A, can satisfy the different application on
site.
The micro distribution multi-circuit measurement unit can be for multiple installation,
and the controller conforms to DIN35 rail install, and backboard screw fixation install;
There are the closed in line installation and opening buckle mounting for the option
as required. The connection between the measurement unit and controller is by the
standard RJ12 port, can make the wiring arrangement easy on site.
The Function realized as follows：
Real-time data measurement
1/3 phase voltage
1/3 phase current
Active power
Reactive power
Apparent power
Power factor
Frequency
Metering
Active energy
Reactive energy
Alarm
Under voltage
Over voltage
Over current
Module Fault
Communication
1 RS485 communication，Modbus-RTU protocal
Chapter 2 Product Type
SPM20 consists 1 controller（SPM20-CTRL）and 30 measurement unit at most which
has split core（SPM20-CTO）and solid core（SPM20-CTC）for the option or mixture
use.
Model list：
SPM20-CTRL AC: 3×220/380V，power supply from A phase voltage wire
SPM20-CTO Rated current 10（50）A，accuracy 2.0, hole 9.5mm
SPM20-CTC Rated current 5（63）A，accuracy 2.0, hole 8mm
The RJ12 among the measurement units by the daisy chain, the length are only by
6cm or 30cm for the site installation option, and the length of every measurement
wire（PLbus）must not be more than 300cm.
Chapter 3 Figure & Installation
3.1 Figure dimension
unit：mm
Figure 1 : controller dimension
Figure 2: CTC Solid core measurement unit installation dimension
Figure 3: CTO split core buckle installation dimension
3.2 Installation Dimension
Unit：mm
Figure 4: Controller installation
Figure 5: Solid core measurement unit installation
Figure 6: Split core measurement unit buckle installation
Figure 7: Solid core measurement unit installatio
Figure 8: Split core measurement unit installation
Attention：Forbid hot plugging RJ12 connect to PLbus, because of the
voltage passed safety range on RJ12 after SPM20 power on.
Chapter 4 Display & key operation
4.1 Full display
SPM20has a LCD with resolution ratio of
128*64, which can realize multi-function
menu change by the two key on LCD, and the
menu prompt.
Remark：If no key operation within 60s, LCD
backlight will be off, till the operation cause it
lighting.
Ua 238.6 V
Ub 119.6 V
Uc 119.6 V
F 49.98 Hz
4.2 Status query
Indicator Color Display Indication info
Status Green No light Normal operation
Light Module on adding
Flicker Communicate to the controller, or flicker when
the module energy page shown on this
controller display.
Pulse Red Flicker Energy pulse indication, pulse constant 1000
4.3 Key
Remark：The same key has different function on different interface.
ALT in the same level menu
Return / enter
4.4DisplayInterface
Datadisplay
energy：energy query
alarm：alarm query
info：meter info query
1. energy query：Press any key on
main page to enter into energy
query page, and to show active
energy of every monitoring module
page by page; to show the total
active energy of every 3P3W in
3P3W connection mode.
Press to check the energy data
of every circuit one by one, and
press to return to home page.
1-A
0.0
kWh
○
1Over voltage alarm: press to
enter into ”voltage” alarm page as
follows，B phase in alarm by its
overvoltage.
alarm
Ub-upper
○
2Under voltage alarm: press to
enter into “voltage”alarm page as
follows，A phase in alarm below lower
limitation.
alarm
Ua-lower
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