PA9122AP

PA9122AP SINGLE PHASE POWER/ENERGY ADAPTOR WITH 64 SEGMENT LCD AND SERIAL INTERFACE FEATURES n sames SA9122APA APPLICATION NOTE Enables the demonstration of the SA9122APA device using a PM9103AP module Pulse rate selectable via jumper leads n n n Operates over a wide temperature range Protected against ESD Meets the accuracy requirements for Class 1 AC Watt hour meters n DESCRIPTION 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. 1/6 7191 PDS038-SA9122-001 Rev. A 28-01-97 PA9122AP BLOCK DIAGRAM N E U TR A L IN N E U TR A L OUT N E U TR A L J1 SH U N T FO U T2 SA 9 1 2 2 E FO U T1 O P TO C O U P LE R D-S UB CO NNEC- P O W ER LIV E T I ON RX O P TO C O U P LE R S U P PL Y . . . . . . . . . . . . . . . . J7 DR -0 1 3 1 1 J2 CONNECTION DESCRIPTION Jumper 1 allows for the selection of the pulse rate to monitor: fp or f p/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. Designation J1 J2 J3 J4 J5 J6 J7 2/6 Setting Lower to middle Upper to middle Lower to middle Upper to middle Lower to middle Upper to middle Lower t...