Terminal Configuration - YASKAWA A1000 Technical Manual

n Serial Communication Terminals
Type No.
R+
R-
MEMOBUS/Modbus
S+
<1>
Communication
S-
IG
<1> Enable the termination resistor in the last drive in a MEMOBUS/Modbus network by setting DIP switch S2 to the ON position.
I/O Connections on page 66
u

Terminal Configuration

The control circuit terminals are arranged as shown in
n Wire Size and Torque Specifications
Select appropriate wire type and gauges from
ends. Refer to Table 3.10
Screw
Terminal
Size
S1-S8, SC, SN, SP
H1, H2, HC
RP, V+, V-, A1, A2, A3,
AC
MA, MB, MC
M3
M1-M6
MP, FM, AM, AC
DM+, DM-
R+, R-, S+, S-, IG
YASKAWA ELECTRIC TOEP C710616 41B YASKAWA AC Drive - A1000 Quick Start Guide
Table 3.8 Control Circuit Terminals: Serial Communications
Signal Name
Communications input (+)
Communications input (-)
Communications output (+)
Communications output (-)
Shield ground
for more information on the termination resistor.
Figure 3.26 Control Circuit Terminal Arrangement
Table 3.9. For simpler and more reliable wiring, use crimp ferrules on the wire
for ferrule terminal types and sizes.
Table 3.9 Wire Gauges
Bare Wire Terminal
Tightening
Torque
Applicable
N•m
wire size
(lb. in)
2
mm (AWG)
Stranded wire:
0.2 to 1.0
0.5 to 0.6 (24 to 16)
(4.4 to 5.3) Solid wire:
0.2 to 1.5
(24 to 16)
MEMOBUS/Modbus communication: Use an
RS-485 or RS-422 cable to connect the drive.
Figure 3.26.
E(G) HC H1 H2 DM+ DM- IG R+ R- S+ S-
V+ AC V- A1 A2 A3 FM AM AC MP RP AC
S1 S2 S3 S4 S5 S6 S7 S8 SN SC SP
Recomm. Applicable
wire size wire size
2
mm (AWG) mm
0.25 to 0.5
0.75 (18)
(24 to 20)
3.7 Control Circuit Wiring
Function (Signal Level)
RS-485/422
MEMOBUS/Modbus
communication
protocol
115.2 kbps (max.)
0 V
M3 M6 M4
M1 M2 M5
MA MB MC
Ferrule-Type Terminal
Recomm.
wire size
2 2
(AWG) mm (AWG)
0.5 (20)
Refer to Control
Wire Type
3
Shielded wire,
etc.
63