User manual
Accessory 24E2
14 Connections
Position Limits, Home Flag, and User Flag
5
4
3
2
1
FLG_RTN_1
HOME1
MLIM1
PLIM1
USER1
Home
Neg
Pos
User
24V Supply
0V 24V
ACC-24E2 Sourcing Flags
5
4
3
2
1
FLG_RTN_1
HOME1
MLIM1
PLIM1
USER1
Home
Neg
Pos
User
24V Supply
0V 24V
ACC-24E2 Sinking Flags
Acc-24E2 Stepper Motor Outputs (TTL level)
Stepper
Amplifier
Bus Voltage
Step
Motor
ACC-24E2 PFM-Stepper Output
1
2
3
4
5
6
7
8
9
10
11
12
A
A/
B
B/
C
C/
5V
GND
Dir+
Dir-
Pulse+
Pulse-
BEQU2
BEQU1
GND
A
A/
B
B/
C
C/
5V
GND
Dir+
1
9
15
8
Dir-
Pulse+
Pulse-
Stepper
Amplifier
Bus Voltage
Step
Motor
Channel1: Jumper E1A, E1B, E1C, E1D
Channel2: Jumper E2A, E2B, E2C, E2D
Channel1: Jumper E1A, E1B, E1C, E1D
Channel2: Jumper E2A, E2B, E2C, E2D
Servo IC Configuration I-Variables
Turbo PMAC I-variables in the range I7000 – I7999 control the configuration of the Servo ICs. The
hundreds digit represents the number of the Servo IC (0 to 9) in the system. Servo ICs 0 and 1 are (or can
be) on board the Turbo PMAC board itself. Servo ICs 2 through 9 are (or can be) on external devices
such as the Acc-24E2.
Servo IC Numbering
The number m of the Servo IC on the Acc-24E2 board is dependent on the addressing of the board with
DIP switches S1-1, S1-3, and S1-4, which place the board as the first
through eight external devices:
First Acc-24E2 with option 1: Servo IC 2 (channels 1-4)
Second Acc-24E2 with option 1 Servo IC 3 (channels 5-8)
Third Acc-24E2 with option 1: Servo IC 4 (channels 9-12)
Fourth Acc-24E2 with option 1 Servo IC 5 (channels 13-16)
Fifth Acc-24E2 with option 1: Servo IC 6 (channels 17-20)
Sixth Acc-24E2 with option 1 Servo IC 7 (channels 21-24)
Seventh Acc-24E2 with option 1: Servo IC 8 (channels 25-28)
Eighth Acc-24E2 with option 1 Servo IC 9 (channels 29-32)
The Standard Servo IC on an Acc-24E2 occupies Channels 1-2 on the board, using connectors associated
with channels 1 and 2. The Option 1 on an Acc-24E2 occupies Channels 3-4 on the board, using
connectors associated with channels 3 and 4.
For example, the Standard Servo IC on the first Acc-24E2 is Servo IC 2 to Turbo PMAC and is
configured by variables I7200 – I7299.