Wiring Control Circuit Terminals
2-
23
* 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 2.17
.
* 3. Pulse input specifications are given in the following table.
Photo-
coupler
outputs
P3
Multi-function PHC output 3
Factory setting: Ready for operation when
ON.
50 mA max. at 48 VDC
*2
C3
P4
Multi-function PHC output 4
Factory setting: FOUT frequency detected
when ON.
C4
Relay
outputs
MA
Fault output signal (NO con-
tact)
Fault when CLOSED across MA and MC
Fault when OPEN across MB and MC
Dry contacts
Contact capacity:
1 A max. at 250 VAC
1 A max. at 30 VDC
MB
Fault output signal (NC con-
tact)
MC
Relay contact output com-
mon
-
M1
Multi-function contact output
(NO contact)
Factory setting: Operating
Operating when ON across M1 and M2.
M2
M3
Multi-function contact output
2
Factory setting: Zero speed
Zero speed level (b2-01) or below when ON.
M4
M5
Multi-function contact output
3
Factory setting: Frequency agreement detec-
tion
Frequency within 2 Hz of set frequency
when ON.
M6
Analog
moni-
tor out-
puts
FM
Multi-function analog moni-
tor 1
Factory setting: Output frequency
0 to 10 V/100% frequency
0 to +10 VDC ±5%
2 mA max.
AM
Multi-function analog moni-
tor 2
Factory setting: Current monitor
5 V/Inverter's rated current
AC
Analog common
-
Pulse
I/O
RP
Multi-function pulse input
*3
Factory setting: Frequency reference input
(H6-01 = 0)
0 to 32 kHz (3 k
Ω
)
MP
Multi-function pulse monitor
Factory setting: Output frequency
(H6-06 = 2)
0 to 32 kHz (2.2 k
Ω
)
RS-
485/
422
R+
MEMOBUS communica-
tions input
For 2-wire RS-485, short R+ and S+ as well
as R- and S-.
Differential input, PHC
isolation
R-
S+
MEMOBUS communica-
tions output
Differential output, PHC
isolation
S-
IG
Communications shield wire
-
-
Low level voltage
0.0 to 0.8 V
High level voltage
3.5 to 13.2 V
H duty
30% to 70%
Pulse frequency
0 to 32 kHz
Table 2.11 Control Circuit Terminals (Continued)
Type
No.
Signal Name
Function
Signal Level
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