
Chapter 2 Specifications
3
Pnet I/F Module 2MLL-PSRA, 2MLL-PMEA, 2MLL-PMEB User
’s Guide
R240
Honeywell
January 2019
2.3 Structure & Characteristics
2.3.1 Structure of Pnet I/F module
(1) Structure of 2MLL-PMEA
[Table 2.3.1] LED display of 2MLL-PMEA
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 is enabled
Blink
Stand by
Communication break status between Pnet I/F module and slave when
downloading by Sycon
Off
Error
High-speed link service error occurred when High-speed link is enabled
P-RUN
Blink
Stop
Stop status of communication status between Pnet I/F module and slave
module
On
Run
Run status of Communication between Pnet I/F module and slave
module
STAT
On
Normal
Normal status of High-speed link communication
Off
Error
Abnormal status of Master module
ERR
On
Error
It needs to check the slave module
Off
Normal
Normal status
◀
LED display
◀
Connection area of Sycon Configuration Tool
◀
Connection area of communication cable
◀
Designation area