The PA9122AP demonstration adaptor connects into the PM9103AP metering module.
In this configuration the PA9122AP allows evaluation of the SA9122EPA device.
It is recommended that this Application Note be read in conjunction with the PM9103AP
Application Note.
The PA9122AP adaptor comes complete with an LCD, the SA9122EPA device as well
as demonstration software.
nOperates over a wide temperature range
nProtected against ESD
nMeets the accuracy requirements for
Class 1 AC Watt hour meters
7191PDS038-SA9122-001 Rev. A 28-01-97
1/6
PA9122AP
BLOCK DIAGRAM
NEUTRAL
IN
NEUTRAL
OUT
NEUTRAL
LIV E
SHUNT
PO W ER
SU PPL Y
SA9122E
. . . . . . .
J7
DR-01311
FOU T2
FOU T1
RX
.........
J1
J2
OPTO
COUPLER
OPTO
COUPLER
CONNECTION DESCRIPTION
Jumper 1 allows for the selection of the pulse rate to monitor: fp or fp/290.
The LCD on the PA9122APA adaptor may be configured as:
Eight digit - seven segment with tariff icons (default)
or
Five digit - seven segment with extended icons.
DesignationSettingDescription
D-SUB
CONNE C-
TION
J1Lower to middleFOUT1
Upper to middleFOUT2
J2Lower to middlePin 36
Upper to middlePin 33 (Default)
J3Lower to middlePin 1
Upper to middlePin 4 (Default)
J4Lower to middlePin 22
Upper to middlePin 35 (Default)
J5Lower to middlePin 21
Upper to middlePin 34 (Default)
J6Lower to middlePin 15
Upper to middlePin 2 (Default)
J7Lower to middlePin 16
Upper to middlePin 3 (Default)
2/6
sames
PA9122AP
The location of the extended icons on the LCD layout are shown in Fig. 1 below.
COM2Hz imp/KWh 8g7g6g5g4g3g2g1g Total
COM3COM3 k1 k28e7e6e5e4e3e2e1eCom
COM4 COM4W WH/IMP Total 8dT4 7dT36dT25dT1 4d3d2d1dCost
NOTES:
1. DRIVE: 1/4 DUTY, 1/3 BIAS, 5.0 VOP
2. OPERATING TEMP: -20°C TO +80°C
3. VIEWING DIRECTION: 6 O'CLOCK
4. SEGEMENT TOLERANCE: ± 0.05
5. GENERAL TOLERANCE: ±0.2
Ø
sames
3/6
PA9122AP
FUNCTIONAL DESCRIPTION
1.Interface Board
The PA9122AP adaptor (see Fig. 2) allows for the connection of a SA9122EPA
DIP-40 device, to an evaluation board of type PM9103AP. This module inserts into
the dual-in-line socket of the PM9103AP module, in the same orientation as the
SA9103 XPA DIP-20 device is inserted.
Figure 2: PM9122AP LAYOUT
D R-01313
2.Connection Details
The connection details for the PA9122AP adaptor, to connect to the PM9103AP
module, are shown in Fig. 3.
3.Demonstration Software
Software which runs under Windows 3.1 or Windows 95, is provided with each
evaluation adaptor.
4/6
sames
Figure 3: PA9122AP adapter Interface to PM9103AP module
PA9122AP
LC D
19
U8
20
21
22
U6 U7 U9
23
24
25
26
27
28
29
30
31
32
33
34
35
36
U5U4
18
17
im p /k W h
W h /im p
Hz 32 1
kWsh
% E rro r
16
.. .. .... ...
15
14
Tot al
13
12
11
10
T3T2T4
9
8
7
6
T1
5
. ....
4
3
2
1
T2 TOTAL
T3 COM
T4 COST
T1 COST
920n
R[3]
R[1]
R[2]
S[ 15]
S[ 14]
S[ 13]
S[ 12]
S[ 11]
S[ 10]
S[7]
S[8]
S[9]
S[6]
S[0]
S[5]
S[1]
S[2]
S[3]
S[4]
U1
DD
V
RX
R[0]
FOU T2
FOU T1
ss
v
SA9122A1
CPIP
CPIN
CPOP
CIP
CIN
COP
VREF
GND
IN V
IIP
IIN
CON
CPON
OSC O
OSC I
U2
ORDERING INFORMATION
Part Number Description
PA9122AP3 X 230V, 3 X 80A Module
sames
IV P
GND
IIN
CIOP
CION
VREF
CVON
IIP
SS
SIN
V
CIIP
CIIN
CVIN
CVIP
CVOP
V
DD
SOUT
NC
OSC 1
OSS2
DR -01314
5/6
PA9122AP
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Electronic Systems (Pty) Ltd ("SAMES") and may not be copied or disclosed to a third party, in whole or in part,
without the express written consent of SAMES. The information contained herein is current as of the date of
publication; however, delivery of this document shall not under any circumstances create any implication that the
information contained herein is correct as of any time subsequent to such date. SAMES does not undertake to inform
any recipient of this document of any changes in the information contained herein, and SAMES expressly reserves
the right to make changes in such information, without notification,even if such changes would render information
contained herein inaccurate or incomplete. SAMES makes no representation or warranty that any circuit designed
by reference to the information contained herein, will function without errors and as intended by the designer.
Any sales or technical questions may be posted to our e-mail adress below:
energy@sames.co.za
For the latest updates on datasheets, please visit our web site:
http://www.sames.co.za
South African Micro-Electronic Systems (Pty) Ltd
P O Box 15888,33 Eland Street,
Lynn East,Koedoespoort Industrial Area,
0039Pretoria,
Republic of South Africa,Republic of South Africa