Mitsubishi Electric FR-CC2-H315K Instruction Manual page 115

 Wiring and configuration of PU connector communication system
• System configuration
Operation
FR-DU08
panel
connector
FR-ADP
(option)
RJ-45 connector
• Wiring between a computer and a converter for RS-485 communication
Computer Side Terminals
Signal name Description
RDA Receive data
RDB Receive data
SDA
Send data
SDB Send data
RSA
Request to send
RSB Request to send
CSA Clear to send
CSB
Clear to send
SG Signal ground
FG
Frame ground
*1 Make connection in accordance with the Instruction Manual of the computer to be used with. Fully check the terminal numbers of the computer
since they vary with the model.
NOTE
• When performing RS-485 communication with multiple converter units, use the RS-485 terminals. (Refer to
• Connection cable between the computer and the converter unit
Refer to the following for the connection cable (RS-232C to RS-485 converter) between the computer with an RS-232C
interface and a converter unit. Commercially available products (as of October 2020)
Interface embedded cable
DAFXIH-CAB (D-SUB25P for personal computer)
DAFXIH-CABV (D-SUB9P for personal computer)
+
Connector conversion cable DINV-485CAB (for converter unit)
Interface embedded cable for converter unit
DINV-CABV
*2 The conversion cable cannot connect multiple converter units. (The computer and a converter unit are connected in a 1:1 pair.) This is an
RS232C-to-RS485 converter-embedded conversion cable. No additional cable or connector is required. For the product details, contact
the manufacturer.
• Use Ethernet cables compliant with the following standards when fabricating the cable.
Category 5e or higher straight cable
(double shielded / STP)
*3 Do not use pins No. 2 and 8 of the communication cable.
114
5. PARAMETERS
5.7 (N) Communication operation parameters
Converter
Computer
unit
PU
RS-485
connector
interface/
terminals
RJ-45 connector
Communication cable
Cable connection and signal direction
Communication cable
Model
*2
Ethernet cable
*3
Station 0
Converter
unit
RS-232C
PU
cable
connector
RJ-45
connector
Communication cable
∗1
2
0.2 mm or more
Diatrend Corp.
*2
Connector
*3
RJ-45 connector
Station 0
Computer
Converter
RS-232C
connector
Maximum
connector
15 m
RS-232C-RS-485
converter
Communication cable
Converter unit
PU connector
SDA
SDB
RDA
RDB
SG
Manufacturer
Standard
The cables compliant with the
following standards:
· IEEE 802.3 (1000BASE-T)
· ANSI/TIA/EIA-568-B
(Category?5e)
unit
PU
RJ-45
connector
page 115.)