Option Boards - Elster A3 ALPHA Technical Manual

Electronic meter for electric energy measurement
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A3 ALPHA Meter Technical Manual

Option Boards

Some of the option boards available for the A3 ALPHA meter are
indicated below:
2003.February.28
output relay option board
I
communications
I
internal modem option board
I
external serial communications option board
I
RS232 option board
I
RS485 option board
I
20mA current loop option board
I
1 MB extended memory board
I
TM42–2190B
1. Introduction
1-7

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