AccuLoad IV Installation & Maintenance Manual
Installation 32
3.5.6.2 A4I I/O Index Numbering
The following tables provide details about configuring the A41 board’s I/Os.
Table 15: A4I Switch Settings
Switch Setting
S1-1 Factory Use
S1-2 OFF = Address 100
ON = Address 200
S1-3 OFF = Band 9600
ON = Band 38,400
S1-4 OFF = RS 232
ON = RS 485
S1-5 OFF = Address 100
ON = Address 200
S1-6 Reserved
S1-7 Model SA Board Set Selector - see section 6, Off for all other models
S1-8 Model SA Board Set Selector - see section 6, Off for all other models
Table 16: First Optional A4I I/O Index Numbering
Terminal
Block
Type of I/O AccuLoad Configuration Index Number
TB3 Injector pulse
or digital input
Inj 11 in or DC In 30 – Pin 2 Inj 12 in or DC In 31 – Pin
5 Inj 13 in or DC In 32 – Pin 8 Inj 14 in or DC In 33 –
Pin 11
TB4 Serial communication port
RS232/485
Inj 8 in or DC In 27 – Pin 3 Inj 9 in or DC In 28 – Pin 6
Inj 10 in or DC In 29 – Pin 9
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