WARNING! Confirm the drive I/O signals and external sequence before starting test run. Setting parameter A1-06 may change the I/O
terminal function automatically from the factory setting. Refer to Application Selection on page 82. Failure to comply may result in
death or serious injury.
n
Input Terminals
Table 3.6 Control Circuit Input Terminals
Type No. Terminal Name (Function) Function (Signal Level) Default Setting
Multi-Function
Digital Inputs
S1
Multi-function input 1 (Closed: Forward run, Open:
Stop)
Photocoupler
24 Vdc, 8 mA
Note: Drive preset to sinking mode. When using source mode, set
DIP switch S3 to allow for a 24 Vdc (±10%) external power supply.
Refer to Sinking/Sourcing Mode Switch on page 55.
S2
Multi-function input 2 (Closed: Reverse run, Open:
Stop)
S3 Multi-function input 3 (External fault (N.O.)
S4 Multi-function input 4 (Fault reset)
S5 Multi-function input 5 (Multi-step speed reference 1)
S6 Multi-function input 6 (Multi-step speed reference 2)
SC Multi-function input common (Control common) Sequence common
Safe Disable
Input
HC Power supply for safe disable inputs +24 Vdc (max 10 mA allowed)
H1 Safe disable input 1 One or both open: Output disabled (always use both inputs)
Closed: Normal operation
Note: Disconnect wire jumper between HC, H1, and H2 when using
the safe disable input. The wire length should not exceed 30 m.
H2 Safe disable input 2
Main
Frequency
Reference
Input
RP Multi-function pulse train input (frequency reference)
Response frequency: 0.5 to 32 kHz
(Duty Cycle: 30 to 70%)
(High level voltage: 3.5 to 13.2 Vdc)
(Low level voltage: 0.0 to 0.8 Vdc)
(input impedance: 3 kΩ)
+V Analog input power supply +10.5 Vdc (max allowable current 20 mA)
A1 Multi-function analog input 1 (frequency reference) Input voltage 0 to +10 Vdc (20 kΩ) resolution 1/1000
A2 Multi-function analog input 2 (frequency reference)
Input voltage or input current (Selected by DIP switch S1 and
H3-01) 0 to +10 Vdc (20 kΩ),
Resolution: 1/1000
4 to 20 mA (250 Ω) or 0 to 20 mA (250 Ω),
Resolution: 1/500
AC Frequency reference common 0 Vdc
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Output Terminals
Table 3.7 Control Circuit Output Terminals
Type No. Terminal Name (Function) Function (Signal Level) Default Setting
Multi-Function Digital
Output
MA N.O. (fault)
Digital output
30 Vdc, 10 mA to 1 A; 250 Vac, 10 mA to 1 A
Minimum load: 5 Vdc, 10 mA (reference value)
MB N.C. output (fault)
MC Digital output common
Multi-Function
Photocoupler Output
P1 Photocoupler output 1 (During run)
Photocoupler output 48 Vdc, 2 to 50 mAP2 Photocoupler output 2 (Frequency agree)
PC Photocoupler output common
Monitor Output
MP Pulse train output (Output frequency) 32 kHz (max)
AM Analog monitor output 0 to 10 Vdc (2 mA or less) Resolution: 1/1000
AC Monitor common 0 V
Connect a suppression diode as shown in Figure 3.15 when driving a reactive load such as a relay coil. Ensure the diode
rating is greater than the circuit voltage.
A
B
C
D
A –
External power, 48 V max.
B – Suppression diode
C – Coil
D – 50 mA or less
Figure 3.15 Connecting a Suppression Diode
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Serial Communication Terminals
Table 3.8 Control Circuit Terminals: Serial Communications
Type No. Signal Name Function (Signal Level)
MEMOBUS/Modbus
Communication
R+ Communications input (+)
MEMOBUS/Modbus communication: Use a
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
3.7 Control Circuit Wiring
SIEP C710606 20 OYMC AC Drive - V1000 User Manual
51
3
Electrical Installation
7/16/2008-13:23
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