Afp0Hccs1M1 (Rs-485 1Ch Insulated + Rs-232C 1Ch Non-Insulated Type) - Panasonic FP0H User Manual

2.4.4 AFP0HCCS1M1 (RS-485 1ch insulated + RS-232C 1ch Non-Insulated
Type)
 Setting of cassette backside switch
A termination resistance selector switch for RS-485 interface is located on communication
cassette AFP0HCCS1M1. Turn ON this switch only when it is the end unit. An equivalent
circuit diagram is indicated below.
SW
 Terminal layout
+ SD RD SG
Terminal
Allocated function
code
+ Transmission line (+)
- Transmission line (-)
SD Send Data
RD Receive data
SG Signal Ground
 Example of wiring
AFP0HCCS1M1
Pin name Signal name
Transmission line (+)
＋
Transmission line (-)
－
SD
Send data
RD
Receive data
SG
Signal ground
2.4 Wiring of COM Port of a Communication Cassette
+
Signal direction
-
-
PLC → External device
PLC ← External device
-
Abbr.
＋
ー
SD
RD
SG
Port allocated on the
LED
software
S1
COM1
R1
S2
R2 COM2
-
Connection destination 1
Code Signal name
Transmission line (+)
＋
Transmission line (-)
－
(To another device)
Connection destination 2
Code
RD
SD
SG
Signal name
Receive data
Send data
Signal ground
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