Publication 1747-UM011G-EN-P - June 2008
Identifying the Components of Your Processor 93
• multi-point list.
• UL listed to US and Canadian Safety Standards, CE compliant,
C-Tick marked.
The figure below shows some of the hardware components of the
SLC 5/05 processors (1747-L551, 1747-L552, and 1747-L553).
SLC 5/05 Hardware Components
The table below provides a general explanation of the processor
status indicators.
SLC 5/05 Status Indicators
xx:xx:xx
_______ . _______ . _______ . _______
FORCE
ENET
RS232
RUN
FLT
BATT
RUN REM PROG
SLC 5/05 CPU
Memory
Module
Left Side View
Front View
Channel 0
RS 232
(DH-485,
DF1, or
ASCII)
Battery
(provides
back-up
power for the
CMOS RAM)
Serial Number and
Catalog Number
Channel 1
Ethernet
(10Base-T)
Keyswitch
Write-on area
for IP Address
Ethernet
Hardware
Address
Operating System Download Protection Jumper
– do not move unless updating processor
Operating System firmware.
Processor
Status
Indicator
When It Is Indicates that
RUN
(Color: green)
On (steady) The processor is in the Run mode.
Flashing (during
operation)
The processor is transferring a program from
RAM to the memory module.
Off The processor is in a mode other than Run.
FLT
(Color: red)
Flashing (at power up) The processor has not been configured.
Flashing (during
operation)
The processor detects a major error either in the
processor, chassis, or memory.
On (steady) A fatal error is present (no communication).
Off There are no errors.
To Next Page
Loading...
