2-5
KEYPAD/LEDs
LCD DISPLAY
MASTER CONTROLLER
(565-325)
P1
P8
P2
STANDARD SLAVE
(565-222)
POWER I/O INTERFACE
(565-220)
POWER SUPPLY
(636-289)
P3
TB1
TO PROGRAMMER CABLE
CITY, TBL, RUI COMM
TB1
TB2
TB3
TB4
I/O #1
I/O #2
I/O #3
I/O #4
P6
P9
TB5
P8
P5
MAPNET
+36V, 0V
+5V, +28V, 0V
TB1
J1
BATTERY HARNESS
AC POWER
STATUS / CONTROL
SUPPLY CONTROL & MONITOR
COMM / POWER (+28, +5, 0V)
P8
P2
P9
+36V TO OPTION BOARD
P1
P7
COMM / POWER TO OPTIONS
J3
AC MONITOR / +24 UPS
A & B TAPS
J1
J2
P5
P5
P7
P7
A TAP
B TAP
Figure 2-2. 4020 System Block Diagram
(Intelligent Supply Installation)
4020 Master Controller,
Continued
System Block Diagram
(Intelligent Supply)