Rockwell Automation 1756-IH16ISOE ControlLogix Sequence of Events Module - Manual (Page 114)

Publication 1756-UM528A-EN-P - April 2004
A-4 Specifications and Module Block Diagrams
1756-IB16ISOE Module
Block Diagram Figure A.1 shows the Sequence of Events module block diagram.
Figure A.1
43687
B
a
c
k
p
l
a
n
e
C
o
n
n
e
c
t
o
r F
r
o
n
t
E
n
d
C
o
n
n
e
c
t
o
r
5V power
24V power
1.2V power
Backplane
ASIC Dualport
RAM
BF532
Blackfin
DSP
OPTO
Isolation
Serial
EEPROM
FLASH SRAM
125V dc or
24/48V dc
input circuit
125V dc or
24/48V dc
input circuit
Isolation Barrier
OK LED
16 channel
LEDs
(The 125V dc or
24/48Vdc input
circuits are
shown in greater
detail below.)
24/48Vdc input circuit
ControlLogix
backplane
Interface Display
GND-0
IN-0
5V
43836
Electronic current
limit circuit