YASKAWA P7, User Manual, Page: 51 / 256

Electrical Installation 2 - 23
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Control Circuit Terminal Functions
The factory default functions of the control circuit terminals for 2-wire control are shown in Table below.
Table 2.11 Control Circuit Terminals
Type No. Signal Name Description Signal Level
Digital
input
signals
S1 Forward run/stop command Forward run when CLOSED; stopped when OPEN.
24 Vdc, 8 mA
Photocoupler isolation
S2 Reverse run/stop command Reverse run when CLOSED; stopped when OPEN.
S3
External fault input
Fault when CLOSED.
Multi-function
digital inputs
Functions set by
H1-01 to H1-05.
S4
Fault reset
Reset when CLOSED
S5
Multi-step speed reference 1
(Master/auxiliary switch)
Auxiliary frequency reference
when CLOSED.
S6
Multi-step speed reference 2
Multi-step setting 2 when
CLOSED.
S7
Jog frequency reference
Jog frequency when CLOSED.
SN Digital input supply common
Refer to Table 2.14 for connection details.
SC Digital input photocoupler
SP Digital input 24Vdc
Analog
input
signals
+V +15Vdc power output +15Vdc power supply for analog inputs or transmitters
+15Vdc
(Max. current: 20 mA)
A1
Analog input or
Speed Command
0 to +10Vdc/100% 0 to +10 V(20 k
Ω
)
A2 Multi-function analog input
4 to 20 mA/100%
0 to +10Vdc/100% (H3-0
Function set by
H3-09.
4 to 20 mA(250
Ω
)
0 to +10 V(20k
Ω
)
AC Analog common – –
E(G)
Shield wire, optional ground
line connection point
– –
Digital
output
signals
M1
During Run
(N.O. contact)
CLOSED during operation
Multi-function
digital output
Function set by
H2-01.
Dry contacts
Contact capacity:
1 A max. at 250Vac
1 A max. at 30Vdc
M2
M3
Remote/Auto Operation
(N.O. contact)
CLOSED when local control
Multi-function
digital output
Function set by
H2-02.
M4
MA
Fault output signal
(SPDT)
MA/MC: CLOSED during fault condition
MB/MC: OPEN during fault condition
Dry contacts
Contact capacity:
1 A max. at 250Vac
1 A max. at 30Vdc
MB
MC
Analog
output
signals
FM Multi-function analog output
(output frequency)
0 to +10Vdc/100% frequency
Multi-function
analog monitor 1
Function set by
H4-01
0 to +10Vdc max. ±5%
2 mA max.
AC Analog common –
AM Multi-function analog output
(output current)
0 to +10Vdc/100% Drive's rated
output current
Multi-function
analog monitor 2
Function set by
H4-04
RS-485/
422
R+
Modbus
communication input
For 2-wire RS-485, jumper R+ and S+ and
jumper R- and S-.
Differential input,
PHC isolation
R-
S+
Modbus
communication output
Differential input,
PHC isolation
S-
IG Signal common - -