Samsung DMS2.5 User Manual

Troubleshooting
5-6 Samsung Electronics
5-2-4. When the RS485 is Not Connecting
Check the condition of cable connection
Start
Yes
Yes
No
Is the cable connection for RS485 proper?
Check the polarity of RS485 cable
No
Is the polarity of RS485 cable correct?
[Left : +(or “A”), Right : – (or “B”)]
Change Main Board
End
ⓐ
ⓑ
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Samsung DMS2.5 Specifications

General

Brand	Samsung
Model	DMS2.5
Category	Controller
Language	English