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Chapter 2 Specifications
4
Pnet I/F Module 2MLL-PSRA, 2MLL-PMEA, 2MLL-PMEB User
’s Guide
R240
Honeywell
January 2019
(2) Structure of 2MLL-PMEC
LED
Status
LED description
RUN
On
Normal
Completion of initialization
Off
Error
Occurrence of error
I/F
Blink
Normal
Normal status of CPU module and interface
Off
Error
Error of CPU module and interface
HS
On
Normal
Service is normal status when High-speed link enabled
Blink
Stand by
Communication break status between Pnet I/F module and slave when
downloading by N Configurator
Off
Error
High-speed link service error occurred when High-speed link is enabled
P-RUN
On
Under
communication Normal communication between the Pnet I/F module and slave
Blink
Under
communication Clear communication between the Pnet I/F module and slave (I/O data 0)
On
Communication
stop
Communication stop status between the Pnet I/F module and slave
STATUS
On
Error
System error
Blink
Auto-scan
System auto-scan mode
Off
Normal
System normal
ERR
On
Error
Bus error (line short, different communication speed, and etc.)
Blink
Error
There is disconnection during communicating with the slave module
Off
Normal
Normal status
CFG
On
Error
There is no Configuration Setting in the Pnet I/F module
Blink
Normal
Downloading or uploading the Configuration Setting
Off
Normal
A Pnet I/F module is configured normally
[Table 2.3.2] LED Display of 2MLL-PMEC
◀
LED display
◀
Firmware Download Port
◀
Connection area of communication cable
◀
Designation area