YASKAWA L1000A Quick Start Manual page 51

Serial Communication Terminals
Type No.
R+
R-
MEMOBUS/Modbus
Communication S+
<1>
S-
IG
<1> Enable the termination resistor in the last drive in a MEMOBUS network by setting DIP switch S2 to the ON position.
Terminal Configuration
■
Control circuit terminals are arranged as shown in
Figure 24
A – Terminal Block (TB 2)
B – Terminal Block (TB 5)
C – Terminal Block (TB 1)
YASKAWA ELECTRIC TOEP C710616 38H YASKAWA AC Drive-L1000A Quick Start Guide
Table 16 Control Circuit Terminals: Serial Communications
Signal Name
Communications input (+)
Communications input (-)
Communications output (+)
Communications output (-)
Shield ground
Figure
E
E(G) HC H1
D
V+ AC V-
C
Figure 24 Control Circuit Terminal Arrangement
Function (Signal Level)
MEMOBUS/Modbus communication: Use
an RS-485 or RS-422 cable to connect the
drive.
0 V
24.
H2 DM+ DM- IG R+ R- S+
A1 A2 FM AM AC P1 C1
S1 S2 S3 S4 S5 S6 S7 S8 SN SC SP
D – Terminal Block (TB 3)
E – Terminal Block (TB 4)
3 Electrical Installation
RS-485/422
MEMOBUS/Modbus
communication
protocol
115.2 kbps (max.)
YEA_common
A
S-
M3 M4 M6
P2 C2
M1 M2 M5
MA MB MC
B
3
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