Kollmorgen
SYSTEM WIRING
SERVO
STAR
®
SP3 Power Block
18
The block diagram of the Standard Option is shown below. The Accessory 8F is shown in the
figure below, but the SP3 can interface to other accessory boards in the same manner.
Standard Option Block Diagram
Pow er
Stage
C ontrol
U nit
PW M
I
D ata
Faults
Interface
B oard
8F
PM A C -2
M otor
E ncoder / H alls
Flags
O ne A xis
ServoStar PB
7-seg display
D-
Ty
p
e
36p
in
A C Supply
INTEGRATED 8F OPTION CONNECTOR
The Integrated 8F Option has the Accessory 8F integrated into the SP3 amplifier to handle the
encoder interface and user I/O. It provides an integrated drive unit with direct connection through
a flat cable to the PMAC2. An external interface board is not required, thus saving cost and
space. This option has four connectors (C1 to C4) on the front panel and one connector (C5) on
the top of the unit.
The PMAC2 has up to 4 machine-interface connectors, labeled JMACH1 through JMACH4.
Each JMACH connector carries all of the control and feedback signals for 2 axes. The connector
is a 100-pin male box header with a center key and pins on 0.050-inch centers. The signals are
differential line driver/receiver pairs, at 5-volt CMOS levels.
The JMACHx connector pins 1 through 50 provide the interface for one axis. Connector pins 51
through 100 provide the interface for a second axis. A split cable is available from Kollmorgen to
connect the 100-pin JMACH connector to two 50-pin connectors on separate drives.
All feedback signals to the PMAC pass through the amplifier, even if not related to the function
of the amplifier (e.g., limit switch, home switch and encoder signals). The block diagram of the
Integrated 8F Option is shown below.
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