Page 5
06-Mar-1997
VME4ST Backplane technical manual
Doc. VLT-MAN-ESO-17130-0992
MAC4/STP Motion Controller
VME4ST Motor Driver
VME4ST Backplane Assembly
To motor function
Fig 2.1.1. MAC4-STP , VME4ST motor driver, and VME4ST backplane.
{
VME
BUS
MAC4
MOTION
CONTROLLER
VME4ST
STEPPER
MOTOR AMP.
VME4ST
P2 BACKPLANE
4-AXES
4-AXES
CH1
CH2
CH3
CH4
LCU CPU
F I
F II
F III
F IV
TO LAN
(ETHERNET)
MOTOR
REFERENCE
(ENCODER)
=
LIMIT SWITCHES
Fig 2.1.2. System block schematics.
Each function has access to signal ground, +5V supply, a user provided voltage supply and
two unallocated signals SPA and SPB (user disposable). Note that in fig. 2.1.3. all signals are
indicated as logical rather than physical connections. For a more detailed description of the
connections, see section 4.
