Yaskawa SmartTrac AC1 User Manual
Page 19
 
 
 
SMART TRAC AC1
Technical Manual TM 3554-000 Assembling a Smart Trac AC1
••
3-5
The Smart Trac PG (Pulse Generator) card is installed on top of the Smart Trac 
CPU card. It communicates with the Smart Trac Inverter control card via 
connector 4CN and the Smart Trac CPU card's PC/104 connector. The Smart 
Trac PG card accumulates pulses (A, B and Z) from both master and follower 
encoders. It has two analog inputs and can accept two proximity switches. It 
includes its own +5V power supply rated at 50 ma. This 50 ma power is 
typically ample for applications requiring a load cell. 
The Smart Trac PS (Power Supply) card is connected to the Smart Trac PG card 
via the PC/104 connector and supplies all the voltages and power to support the 
Smart Trac CPU, Smart Trac PG, and all other option cards. If the Smart Trac 
PG card is not installed, the Smart Trac PS connects to the Smart Trac CPU. 
The Smart Trac Ethernet Card is a PC/104 compliant card included in all Smart 
Trac AC1s, providing quick program downloads and uploads and fast, reliable 
networking capabilities. 
Several additional PC/104 compliant option cards may be stacked on top of the 
Smart Trac PG card. Optional cards might include local I/O, ARCNET, Genius, 
DeviceNet, Profibus or fiber optic cards for communications and/or additional 
system I/O. The Smart Trac ARCNET card allows the Smart Trac AC1 to 
communicate with MagneTek Micro Trac drives, making it fully backward 
compatible with MagneTek's earlier drive systems. DeviceNet, Profibus and 
Fiber Optic cards will support master/slave and peer-to-peer communications. 
See the documentation on the individual option cards for further information 
Smart Trac PG Card
Smart Trac PS Card
Smart Trac Ethernet 
Card 
Optional PC-104 
Compliant Cards