Reference Manual

Turbo PMAC/PMAC2 Software Reference
Change Summary: PMAC to Turbo PMAC 742
CHANGE SUMMARY: PMAC TO TURBO PMAC
Overview Feature Comparison
Feature
PMAC
Turbo PMAC
Maximum Number of Axes
8
32
Maximum Number of Servo Interface Channels
16 (8 off-board)
40 (32 off-board)
Maximum Number of MACRO Nodes
16
64 (Turbo Ultralite)
Maximum Number of Coordinate Systems
8
16
CPU Frequencies (MHz)
20, 40, 60, 80
80, 100
Instructions per CPU Clock Cycle
0.5
0.75
Effective CPU Frequencies (MHz)
20, 40, 60, 80
120, 150
Number of I-Variables
1024
8192
Number of M-Variables
1024
8192
Number of P-Variables
1024
8192
Number of Q-Variables
1024
8192
Commutation Sine Table Size
256
2048
Individual Custom Sine Table for each motor?
No
Yes
Individual Choice by Motor Between PID and
Extended Servo Algorithm?
No
Yes
Firmware Memory Capacity
32k x 24
64k x 24
Compiled PLC Memory Capacity
15k x 24
48k x 24, 432k x 24
User Buffer Memory Capacity
32k x 48
26k x 48, 212k x 48
DPRAM Capacity
8k x 16
8k x 16, 32k x 16
Supplemental Battery-Backed Memory Capacity
7k x 48
16k x 48, 64k x 48
Maximum Number of Motion Programs
256
224
Built-In Kinematics Algorithm Capability?
No
Yes
Multi-Block Lookahead for Acceleration Control?
Optional (Opt 6L)
Standard
Number of Serial Ports
1
2 (2
nd
optional)
Simultaneous Use of Multiple Communications
Ports?
No
Yes
Ability to Disable Automatic Serial-Port
Command Parser?
No
Yes
Maximum Simultaneous Data Gathering Sources
24
48
Maximum Number of Lines in Conversion Table
32
192
Maximum Number of Synchronous M-Variable
Assignments per Move
3
63 (1 Coordinate)
System), user-set with
lookahead
Direct Array Writing Capability (e.g. P(P1)=2)?
No
Yes