YASKAWA AC Drive-A1000 User Manual

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Serial Communication Terminals
Table 3.6 Control Circuit Terminals: Serial Communications
Type No. Signal Name Function (Signal Level)
MEMOBUS/Modbus
Communication
<1>
R+ Communications input (+)
MEMOBUS/Modbus communication: Use an
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
<1> Enable the termination resistor in the last drive in a MEMOBUS/Modbus network by setting DIP switch S2 to the ON position. Refer to Control
I/O Connections on page 68 for more information on the termination resistor.
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Terminal Configuration
The control circuit terminals are arranged as shown in Figure 3.15.
MA MB MC
M1 M2 M5
M3 M6 M4
E(G) HC H1 H2 DM+ DM- IG R+ R- S+ S-
S1 S2 S3 S4 S5 S6 S7 S8 SN SC SP
V+ AC V- A1 A2 A3 FM AM AC MP RP AC
Figure 3.15 Control Circuit Terminal Arrangement
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Wire Size and Torque Specifications
Select appropriate wire type and gauges from Table 3.7. For simpler and more reliable wiring, use crimp ferrules on the wire
ends. Refer to Table 3.8 for ferrule terminal types and sizes.
Table 3.7 Wire Gauges
Terminal
Screw
Size
Tightening
Torque
N•m
(lb. in)
Bare Wire Terminal Ferrule-Type Terminal
Wire Type
Applicable
wire size
mm
2
(AWG)
Recomm.
wire size
mm
2
(AWG)
Applicable
wire size
mm
2
(AWG)
Recomm.
wire size
mm
2
(AWG)
S1-S8, SC, SP, SN,
RP, V+, V-, A1, A2,
A3, AC, M1-M6,
MA, MB, MC, MP,
AM, FM, AC, S+,
S-, R+, R-, IG, HC,
H1, H2, DM+, DM-
M3
0.5 to 0.6
(4.4 to 5.3)
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 wire,
etc.
3.9 Control Circuit Wiring
YASKAWA ELECTRIC SIEP C710616 31B YASKAWA AC Drive – A1000 Technical Manual
63
3
Electrical Installation

YASKAWA AC Drive-A1000 Specifications

General

Brand	YASKAWA
Model	AC Drive-A1000
Category	Controller
Language	English