Yaskawa CIMR-AU 200V Drives - Manual (Page 132)

n Serial Communication Terminals
Table 3.9 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-422 or RS-485 cable to connect the drive.
RS-422/RS-485
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 the manual
section on Control I/O Connections for more information.
u Terminal Configuration
The control circuit terminals are arranged as shown in Figure 3.27 .
MA MB MC
M1 M2 M5
M3 M4 M6
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 3.27 Control Circuit Terminal Arrangement
n Wire Size and Torque Specifications
Select appropriate wire type and gauges from Table 3.10 . For simpler and more reliable wiring, use crimp ferrules on the wire
ends. Refer to Table 3.11 for ferrule terminal types and sizes.
Table 3.10 Wire Gauges
Terminal
Screw
Size
Tightening
Torque
N •m
(lb. in)
Bare Wire Terminal Ferrule-Type Terminal
Wire Type
Recomm.
wire size
mm 2 (AWG)
Applicable
wire size
mm 2 (AWG)
Recomm.
wire size
mm 2 (AWG)
Applicable
wire size
mm 2 (AWG)
S1-S8, SC, SN, SP
M3
0.5 to 0.6
(4.4 to 5.3)
0.75 (18)
Stranded wire:
0.2 to 1.0
(24 to 16)
Solid wire:
0.2 to 1.5
(24 to 16)
0.5 (20)
0.25 to 0.5
(24 to 20)
Shielded wire,
etc.
H1, H2, HC
RP, V+, V-, A1, A2, A3,
AC
MA, MB, MC
M1-M6
MP, FM, AM, AC
DM+, DM-
R+, R-, S+, S-, IG
3.7 Control Circuit Wiring
132 YASKAWA ELECTRIC TOEP C710616 41E YASKAWA AC Drive - A1000 Quick Start Guide