Mitsubishi Electric GT14 User Manual page 559

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Precautions when preparing a cable
(1) Cable length
The total distance (between GOT and inverters) of the
RS-422 cable must be 13m or less.
(2) Connector conversion box side connector
For the connector conversion box side connector, refer
to the following.
6.6 Connector Conversion Box
(3) External cable side connector
For the connector specifications of the external cable
side, refer to the following.
8.2 External Cable, Relay Cable
(4) Inverter connector specifications
(a) Pin layout in the PU port
When seen from the front of the inverter
(receptacle side)
Modular jack
Pin No. Signal name
1 GND (SG)
2 (P5S)
3 RXD+ (RDA)
4 TXD- (SDB)
5 TXD+ (SDA)
6 RXD- (RDB)
7 GND (SG)
8 (P5S)
The contents inside ( ) indicate symbols described
in the inverter manual.
The pins number 2 and 8 (P5S) are connected to
the power supply for an operation panel or a
parameter unit.
Do not use them in RS-422 communication.
(b) Connector of cable between FREQROL Series
inverters
Use the commercial connectors and cables shown in
the table below or the comparable products. (Refer
to the manual for the inverter.)
Name Model Specifications
Connector 5-554720-3 RJ45 connector
Modular
ceiling
BMJ-8
rosette
(Distributor)
Cable conforming
SGLPEV to EIA568
Cable
0.5mm×4P (such as cable
10BASE-T)
Remark
Not used
Not used
Manufacturer
Tyco International, Ltd
HACHIKO ELECTRIC
- CO.,LTD.
TEL (03)-3806-9171
MITSUBISHI CABLE
INDUSTRIES, LTD.
(5) Terminal block layout in the FR-A5NR computer link
option
Attach this option to the A500 and F500 Series.
Terminal block
Screw size: M3
SDA SDB RDA RDB RDR SG
Terminal
symbol
(6) Terminal block layout in the FR-E7TR control
terminal option
Mount the FR-E7TR to the E700 series
Set the terminal 2/SG switch to the
OPEN OPEN
right position (ON) to change the
terminal 2 to the terminal SG.
100 100
To the GOT or
4
10
the previous
inverter
SDA SDB RDA RDB SG SDA SDB RDA RDB SG 2 2
SDA SDB RDA RDB RUN FU SDA SDB RDA RDB RUN FU
FM RL
C
A B
25. INVERTER CONNECTION
25.3 Connection Diagram
A B C
Connected to the GOT
O
N
SE SE
RM RH MRS RES SD PC STF
STR SD SD
To the next inverter
25 - 33
25
26
27
28
29
30
31