Varispeed J7
359
Main circuit
Control circuit
Terminal
Name
Function (signal level)
R/L1, S/L2, T/L3
AC power supply input
Main circuit power supply input (Use R/L1 and S/L2 for single-phase power supply inverter.
Do not use T/L3 of the models less than 0.75kW for other usage, such as a junction terminal.)
U/T1, V/T2, W/T3
Inverter output
For inverter output
+2, +1
DC reactor connection
Remove the short bar b2 and +1 when connecting DC reactor (option)
+1, –
DC power supply input
For power supply input (+1: positive electrode; – : negative electrode)*
Grounding
For grounding (grounding should conform to the local grounding code.)
Type
No.
Signal name
Function
Signal level
Dig
ital i
nput si
gnals
S1
Multi-function input selection 1
Factory setting: runs when CLOSED, stops when OPEN.
24VDC, 8mA
photocoupler
isolation
S2
Multi-function input selection 2
Factory setting: runs when CLOSED, stops when OPEN.
S3
Multi-function input selection 3
Factory setting: "fault reset"
S4
Multi-function input selection 4
Factory setting: "external fault (NO contact)"
S5
Multi-function input selection 5
Factory setting: "multi-step speed reference 1"
SC
Multi-function input selection
common
Common for control signal
Analog
inp
u
t
s
ignals
FS
Power supply terminal for
frequency setting
+12V (allowable current: 20 mA max.)
FR
Speed frequency reference
0 to +10 VDC (20 k
Ω
) or 4 to 20 mA (250
Ω
), 0 to 20 mA (250
Ω
) (resolution 1/1000)
FC
Frequency reference common
0 V
Digital
ou
tpu
t
s
ignals
MA
NO contact output
Factory setting: "running"
Contact capacity
250 VAC, 1A or less
30 VDC, 1A or less
MB
NC contact output
MC
Contact output common
Analog
outpu
t
s
ignals
AM
Analog monitor output
Factory setting: "output frequency" 0 to +10 V output
0 to 10 V 2 mA or less
Resolution: 8bits
AC
Analog monitor common
0 V
Y203-EN2-02-Katalog.book Seite 359 Mittwoch, 24. Mai 2006 2:22 14
