User manual

Accessory 24E2
Hardware Setup 5
HARDWARE SETUP
Position Compare Port Driver IC
As with the other PMAC controllers, the UMAC has the high speed compare outputs which allows firing
an output based on position. This circuit will fire within 100 nsec of reaching the desired position. The
position compare output port on Acc-24E2x has driver IC at component U27. This IC gives a fast CMOS
driver. This IC gives a fast CMOS driver.
The following table lists the properties of each driver IC:
Part
# of Pins
Max Voltage and Current
Output Type
Max Frequency
DS75451N
8
5V, 10 mA
Totem-Pole
(CMOS)
5 MHz
Switch Configuration
UMAC Address DIP Switch S1
S1, S1-3, S1-4 are used to address the Acc-24E2 as shown in the table below.
S1-1
S1-3
S1-4
Board No.
IC No.
I-Var. Range
Base Address
ON
ON
ON
1
2
I7200
$078200
OFF
ON
ON
2
3
I7300
$078300
ON
OFF
ON
3
4
I7400
$079200
OFF
OFF
ON
4
5
I7500
$079300
ON
ON
OFF
5
6
I7600
$07A200
OFF
ON
OFF
6
7
I7700
$07A300
ON
OFF
OFF
7
8
I7800
$07B200
OFF
OFF
OFF
8
9
I7900
$07B300
S1-2, S1-5, and S1-6 are used to determine whether the Acc-24E2 is communicating to a Turbo 3U
PMAC or a MACRO Station CPU.
S1-2
S1-5
S1-6
Function
ON
ON
ON
3U Turbo PMAC Use
MACRO Station Address DIP Switch S1
S1-1, S1-2, S1-3, S1-4 are used to address the Acc-24E2 as shown in the table below.
S1-1
S1-2*
S1-3
S1-4
Board No.
IC No.
Base Address
ON
ON
OFF
OFF
1
2
$00C040
OFF
OFF
OFF
OFF
2
3
$00C060
* Always set to OFF for legacy MACRO Stations (part number 602804-100 through 602804-104)
S1-5 and S1-6 are used to determine whether the Acc-24E2 is communicating to a Turbo 3U PMAC or a
MACRO Station CPU.
S1-5
S1-6
Function
OFF
OFF
3U MACRO Station use