Instruction Manual

Chapter 2: Hardware Installation PPC-2000 User’s Guide
44 Watlow Anafaze Doc.# 30002-00 Rev 2.3
Multiple SDAC Systems
As many as 5 SDACs can be run from one PPC-2000. Be sure to
provide sufficient current. Use stranded 18 to 22 gauge wire for
most installations. Refer to Figure 2.27 for system setup.
• Connect SDAC Pin 1 to the +5V terminal on the power
supply.
• Connect SDAC Pin 2 to the DC COM terminal on the
power supply.
• If a separate power supply is used, connect the common to
the DC COM on the PPC-2000 power supply.
• Connect SDAC Pin 3 to the SDAC clock output on the
TB50 (digital output 46).
• Connect SDAC pin 4 to the desired control output on the
TB50 (digital output 41-45).
• Connect SDAC pins 5 and 6 to the input of the controlled
device.
Figure 2.27 Wiring Single/Multiple SDACs
SCSI
Connection
TB50
+5V In
#1
#2
#3
#4
#5
#6
COM In
CLK In
Data In
- Out
SDAC
Load
SDAC Clock
-
+
PPC-IPS-1
or other +5V
Power Supply
+5V
DC COM
Daisy chain up to 5
SDAC
Control
Output
PPC-2010
Processor
DC COM
46
41 to 45
+ Out
Electrical
Isolation