ULTRA-485 IO card Settings and Configuration

INDUSTRIAL COMPUTER SOURCE

ULTRA-485

Card Type
Serial card
Chip Set
Unidentified
I/O Options
Serial port
Data Bus
8-bit ISA

CONNECTIONS
Function
Label
Serial port via DB-25 connector
P1

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
Port mode select normal
E2
Pins 1 & 2 closed

Port mode select shared
E2
Pins 2 & 3 closed

Port mode select shared with pull down resistor
E2
Pins 3 & 4 closed

100 ohm termination enabled
SW2/1
On

100 ohm termination disabled
SW2/1
Off

1K ohm pull up resistor enabled
SW2/2
On

1K ohm pull up resistor disabled
SW2/2
Off

1K ohm pull down resistor enabled
SW2/3
On

1K ohm pull down resistor disabled
SW2/3
Off

Connects TX+ to RX+ for RS-485 two wire operation
SW2/4
Unidentified

Connects TX- to RX- for RS-485 two wire operation
SW2/5
Unidentified

ADDRESS SELECTION
Setting
SW1/1
SW1/2
SW1/3
SW1/4
Disabled
On
On
On
On
3F8
On
On
On
Off
2F8
On
On
Off
On
3E8
On
On
Off
Off
2E8
On
Off
On
On
3220
On
Off
On
Off
3228
On
Off
Off
On
4220
On
Off
Off
Off
4228
Off
On
On
On
238
Off
On
On
Off
300
Off
On
Off
On
308
Off
On
Off
Off
280
Off
Off
On
On
288
Off
Off
On
Off
290
Off
Off
Off
On
298
Off
Off
Off
Off

SERIAL PORT INTERRUPT SELECTION
IRQ
E1

2
Pins 1 & 2 closed

3
Pins 3 & 4 closed
»
4
Pins 5 & 6 closed

5
Pins 7 & 8 closed

7
Pins 9 & 10 closed

10
Pins 11 & 12 closed

11
Pins 13 & 14 closed

12
Pins 15 & 16 closed

15
Pins 17 & 18 closed

RS-485 DRIVER CIRCUIT SELECTION
Setting
E5
Driver enabled/disabled
Pins 1 & 2 closed
Driver enabled by UART RTS signal
Pins 3 & 4 closed
Driver always enabled
Pins 5 & 6 closed

RS-485 RECEIVER CIRCUIT SELECTION
Setting
E3
Receiver enabled/disabled
Pins 1 & 2 closed
Receiver enabled by UART RTS signal
Pins 3 & 4 closed
Receiver always enabled
Pins 5 & 6 closed

EIA-530/SIO-485 SELECTION
Setting
E4
EIA-530
Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10 closed
SIO-485
Pins 11 & 12, 13 & 14, 15 & 16, 17 & 18, 19 & 20 closed

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ULTRA-485 IO card Settings and Configuration

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Card Type	Serial card
Chip Set	Unidentified
I/O Options	Serial port
Data Bus	8-bit ISA

CONNECTIONS
Function	Label
Serial port via DB-25 connector	P1

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Port mode select normal	E2	Pins 1 & 2 closed
	Port mode select shared	E2	Pins 2 & 3 closed
	Port mode select shared with pull down resistor	E2	Pins 3 & 4 closed
	100 ohm termination enabled	SW2/1	On
	100 ohm termination disabled	SW2/1	Off
	1K ohm pull up resistor enabled	SW2/2	On
	1K ohm pull up resistor disabled	SW2/2	Off
	1K ohm pull down resistor enabled	SW2/3	On
	1K ohm pull down resistor disabled	SW2/3	Off
	Connects TX+ to RX+ for RS-485 two wire operation	SW2/4	Unidentified
	Connects TX- to RX- for RS-485 two wire operation	SW2/5	Unidentified

ADDRESS SELECTION
Setting	SW1/1	SW1/2	SW1/3	SW1/4
Disabled	On	On	On	On
3F8	On	On	On	Off
2F8	On	On	Off	On
3E8	On	On	Off	Off
2E8	On	Off	On	On
3220	On	Off	On	Off
3228	On	Off	Off	On
4220	On	Off	Off	Off
4228	Off	On	On	On
238	Off	On	On	Off
300	Off	On	Off	On
308	Off	On	Off	Off
280	Off	Off	On	On
288	Off	Off	On	Off
290	Off	Off	Off	On
298	Off	Off	Off	Off

SERIAL PORT INTERRUPT SELECTION
IRQ		E1
	2	Pins 1 & 2 closed
	3	Pins 3 & 4 closed
»	4	Pins 5 & 6 closed
	5	Pins 7 & 8 closed
	7	Pins 9 & 10 closed
	10	Pins 11 & 12 closed
	11	Pins 13 & 14 closed
	12	Pins 15 & 16 closed
	15	Pins 17 & 18 closed

RS-485 DRIVER CIRCUIT SELECTION
Setting	E5
Driver enabled/disabled	Pins 1 & 2 closed
Driver enabled by UART RTS signal	Pins 3 & 4 closed
Driver always enabled	Pins 5 & 6 closed

RS-485 RECEIVER CIRCUIT SELECTION
Setting	E3
Receiver enabled/disabled	Pins 1 & 2 closed
Receiver enabled by UART RTS signal	Pins 3 & 4 closed
Receiver always enabled	Pins 5 & 6 closed

EIA-530/SIO-485 SELECTION
Setting	E4
EIA-530	Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10 closed
SIO-485	Pins 11 & 12, 13 & 14, 15 & 16, 17 & 18, 19 & 20 closed