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PDF PM9109BF Data sheet ( Hoja de datos )
| Número de pieza | PM9109BF | |
| Descripción | MONOCHIP SINGLE PHASE BIDIRECTIONAL KILOWATT HOUR METERING MODULE | |
| Fabricantes | Sames | |
| Logotipo |  |
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SA9109B APPLICATION NOTE
PM9109BF
MONOCHIP SINGLE PHASE BIDIRECTIONAL
KILOWATT HOUR METERING MODULE
FEATURES
! Performs bidirectional energy meter- ! Pulse output for calibration
ing and includes a 7 digit LCD driver
with announciators
!
Total power consumption rating below
600mW
!
4 externally selectable on-chip tariff
registers
!
Uses a shunt resistor for current sens-
ing
! An additional total energy register
! Operates over a wide temperature
! Meets the accuracy requirements for
range
Class 1 AC Watt hour meters
! Demonstration software included
! Optical interface for electronic reading
according to IEC1107 Mode D
DESCRIPTION
The SAMES monochip single phase bidirectional kilowatt hour metering module, the
PM9109BF, provides all the required metering functions including energy measure-
ment, a 7 digit LCD driver, a tariff selection facility, an optical port as well as a pulse
output for calibration purposes.
Energy consumption is determined by the power measurement being integrated over
time.
This method of calculation takes the power factor into account.
This application utilises the SAMES SA9109BFA monochip single phase bidirectional
kilowatt hour metering IC for energy measurement.
As a safety measure, this application shows the current sensor connected to the neutral
line. In practice the live line may be used for current sensing, provided that the supply
connections (MAINS) are reversed on the module.
PM9109BFX
PDS038-SA9109-001
REV. 3
1/12
28-06-00
1 page  
PM9109BF
The designation of the pins on connector SK1 are given below:
PM9109B
Pin Description
1 GND
2 PB
3 PCLK
4 PDTA
5 PGM
PC Parallel Connectors (Suggested)
Pin Description
18 GND
2 D1
4 D3
5 D4
3 D2
Note: The recommended connections above are applicable for the demonstration
software provided with the PM9109BF.
6. Optical Port
The optical port has been designed to meet the IEC1107 Mode D specification.
This facility offers a pulse output as well as a serial data meter reading facility.
Three types of interfacing elements from the PM9109BF are available:
a) Infra-red optical port
b) Red LED
c) Opto-coupler
In order to maximise the intensity of the element, it is suggested that only one of
the outputs be used at any one time.
Jumper
J5
J6
J7
Element
Opto Coupler
Infra Red LED
Red LED
7. Liquid Crystal Display (LCD)
The PM9109BF includes a LCD comprising of seven digits with announciators.
To cater for compatibility with future devices, four jumpers are provided for
backplane driving configurations. The PM9109BF boards are shipped to the
customer with jumpers in a default configuration.
This note refers to the SA9109B data sheet throughout the text and it is
recommended that a copy of the data sheet of the SA9109B is on hand when reading
through this description.
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5 Page 
PM9109BF
RUNNING THE PROGRAMME
On entering the programme, the user will be offered a selection of fields to
choose from. A brief description of each field is given below:
Comms
Selection of serial communication port connecting the
demoboard containing the SA9109B to the PC.
Read
Start task of reading from attached SA9109B device.
Write
Data stored in the input boxes displayed on the right hand
side of the screen will be written via the parallel port connected
on SK1.
Capture boxes with a .............. on display will write the value
displayed in the Read section for that parameter.
Help
Screen of useful keystrokes used in the programme.
A number of input boxes are available to the user to enter register start values,
identity numbers, and the slope factor for the output frequency. Input boxes
are:
TARIFF 1
TARIFF 4
Initial value from which the device must start accumulation of
data of chosen as "Active" tariff register
Sign +/-
Total
I.D. man/
I.D. sys
Type
The register value input for Tariff 1 -- Tariff 4 may be either a
positive (+) or negative (-) value.
As with the tariff registers, an initial value from which accumu-
lation of registers totals will begin may be entered. This regis-
ter, in practice, will contain the sum of the four tariff registers.
Updating of this register takes place automatically when either
of the tariff registers increment during power consumption.
Numeric code to allow the supplier to individually attach a ref-
erence identifier to a metering unit.
This field should remain as per default (SA9109B selected).
The SA9109B will increment irrespective of energy direction.
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| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet PM9109BF.PDF ] | |
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