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No.
Type
R+
R-
RS-
485/
S+
422
S-
IG
* 1. For a 3-wire sequence, the default settings are a 3-wire sequence for S5, multi-step speed setting 1 for S6 and multi-step speed setting 2 for S7.
* 2. When driving a reactive load, such as a relay coil, always insert a flywheel diode as shown in Fig 2.14.
* 3. Pulse input specifications are given in the following table.
Low level voltage
High level voltage
H duty
Pulse frequency
External
power:
48 V max.
Shunt Connector CN15 and DIP Switch S1
The shunt connector CN15 and DIP switch S1 are described in this section.
Analog output switch
Voltage output
Current output
-26
2
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Table 2.10 Control Circuit Terminals (Continued)
Signal Name
MODBUS
communications input
For 2-wire RS-485, short R+ and S+ as well
MODBUS
communications output
Communications shield wire
0.0 to 0.8 V
3.5 to 13.2 V
30% to 70%
0 to 32 kHz
Flywheel diode
Coil
50 mA max.
Fig 2.14 Flywheel Diode Connection
Fig 2.15 Shunt Connector CN15 and DIP Switch S1
Function
as R- and S-.
-
The rating of the flywheel diode
must be at least as high as the
circuit voltage.
Terminating resistance*
FF
N
Analog input switch
Factory settings
*Note: Refer to Table 2.11 for S1 functions and
to Table 2.13 for Sinking/Sourcing Mode
and Input Signals.
Signal Level
Differential input,
PHC isolation
Differential output,
PHC isolation
-
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Troubleshooting
