3.7 Control Circuit Wiring
YASKAWA ELECTRIC
SIEP C710606 44B YASKAWA AC Drive T1000V Technical Manual
59
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Connect a suppression diode as shown in
when driving a reactive load such as a relay coil. Ensure the diode
rating is greater than the circuit voltage.
Figure 3.11
Figure 3.11 Connecting a Suppression Diode
■
Serial Communication Terminals
Table 3.8 Control Circuit Terminals: Serial Communications
◆
Terminal Configuration
Figure 3.12
Figure 3.12 Removable Control Circuit Terminal Block
■
Wire Size
Select the appropriate wires and crimp terminals from
. Crimp a ferrule to signal wiring to improve wiring
simplicity and reliability.
Table 3.9 Wire Size Specifications (Same for All Models)
A – External power, 48 V max.
C – Coil
B – Suppression diode
D – 50 mA or less
Type
No.
Signal Name
Function (Signal Level)
MEMOBUS/Modbus
Communication
R+
Communications input (+)
MEMOBUS/Modbus communication: Use
a RS-485 or RS-422 cable to connect the
drive.
RS-485/422
MEMOBUS/Modbus
communication
protocol 115.2 kbps
(max.)
R–
Communications input (-)
S+
Communications output (+)
S–
Communications output (-)
IG
Shield ground
0 V
Terminal
Bare Wire Terminal
Ferrule-Type Terminal
Applicable wire size
mm
2
(AWG)
Recomm. mm
2
(AWG)
Applicable wire size
mm
2
(AWG)
Recomm. mm
2
(AWG)
Wire Type
S1-S6, SC, RP,
+V, A1, A2, AC,
HC, H1, P1, C1,
P2, C2, MP, AM,
AC, S+, S-, R+,
R-, IG, MA, MB,
MC
Stranded wire:
0.2 to 1.0
(24 to 16)
Solid wire: 0.2 to 1.5
(24 to 16)
0.75 (18)
0.25 to 0.5
(24 to 20)
0.5 (20)
Shielded line, etc.
A
B
C
D
R+
P1 C1 P2 C2 A1 A2 +V AC AM AC
S1 S2 S3 S4 S5 S6 HC SC H1 RP MP
MA MB MC
R− S+ S− IG
