Terminal Description - YASKAWA VS mini J7 Series Instruction Manual

Type Terminal
R/L1,
AC power supply
S/L2,
input
T/L3
U/T1,
Inverter output
V/T2,
W/T3
DC reactor
+2, +1
connection
+1, –
DC power supply input
Grounding
S1
Forward run input
S2 Multi-function input selection 2
S3
Multi-function input selection 3
S4 Multi-function input selection 4
S5 Multi-function input selection 5
Multi-function input
SC
selection common
FS Power for frequency setting
Master speed frequency
FR
reference
Frequency reference common
FC
NO contact output
MA
NC contact output
MB
Contact output common
MC
Analog monitor output
AM
Analog monitor common
AC
* DC power supply input terminal is not applied to CE/UL standards.
† Minimum permissible load: 5VDC, 10mA (as reference value)

Terminal description

Name
Use main circuit power input. (Use terminals R/L1
and S/L2 for single -phase inverters. Never use
terminal T/L3.)
Inverter output
When connecting optional DC reactor, remove the
main circuit short-circuit bar between +2 and +1.
DC power supply input (+1: positive -: negative) *
For grounding (according to the local grounding
code)
Closed: FWD run, open: REV run
Factory setting closed: REV run, open: FWD run
Factory setting: Fault reset
Factory setting: External fault (NO contact)
Factory setting:
For control signal
+12V (permissible current 20mA max.)
0 to +10VDC (20kΩ) or 4 to 20mA (250kΩ) or 0 to
20mA (250Ω) (1/1000 resolution)
0V
Factory setting: running
Factory setting:
Output frequency 0 to +10VDC
0V
Function (Signal Level)
Multi-step speed reference 1
Contact capacity
250VAC 1A or less,
30VDC 1A or less
0 to +10VDC, 2mA or
less,
8-bit resolution
Photo-coupler
insulation,
24VDC,
8mA
105