© Elcom s. r. o.
Service manual
Euro 2500
TX
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1 Introduction
1.1 Technical parameters for ECR Euro-2500TX
1.1 Technical parameters for ECR Euro-2500TX
Euro-2500TX is the electronic cash register (henceforth ECR) characterised by following parameters:
• primary power supply
external power supply 230 V, 50–60 Hz/24 V; 2.08 A
• maximum power input 50 W
• microprocessor system 16-bit microcontroller, 256 or 512 kB EPROM, 512 kB RAM (auxilliary module supplies ad-
ditional 3 × 512 kB RAM)
• memory power backup NiCd accumulator 3.6 V; 60 mAh
• printer
thermal, SEIKO LTP 2W42
• customer display
internal segmented LCD, 10 characters and optional extrenal display either segmented
LCD, 10 characters or alphanumerical 2 × 20 characters
• cashier display
exteranal alphanumerical 2×20 characters
• keyboard
external PC or POS keyboard
• peripehrial interfaces
one RS-232 or RS-422 serial channel, additional three RS-232 channels, RS-422 extension
module
1.2 System configuration
1.2 System configuration
The E-2500N 16-bit microcontroller is the heart of the Euro-2500TX. ECR programme is stored in the EPROM memory of 256
or 512 kB. Standard RAM memory size is 512 kB.
System contains:
• power supply circuits
• microprocessor system
• real-time circuit
• reset controller
• stand-by controller
• external keyboard interface
• external and internal display interfaces
• RS-422 serial interface circuit for PC
• RS-232 serial interface circuits for PC, bar-code scanner, scales and the EFT terminal
• RS-232 serial interface circuits for PC, bar-code scanner, scales and the EFT terminal
• RS-422 serial interface extension module for additional peripherials
• RS-422 serial interface extension module for additional peripherials
• printer control circuits
• printer control circuits
1.3 Block chart of ECR Euro-2500TX
1.3 Block chart of ECR Euro-2500TX
1.3 Block chart of ECR Euro-2500TX
1.3 Block chart of ECR Euro-2500TX
Fig. 1.1: Block chart of Euro 2500-TX
Fig. 1.1: Block chart of Euro 2500-TX
cash register
cash register
Содержание Euro-2500 Series
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