YASKAWA VS MINI J7 series - Page 112

9. Specifications
111
Protective Functions
Momentary
Power Loss
Following items are selectable: Not provided (stops if power loss is
15 ms or longer), continuous operation if power loss is approx. 0.5
s or shorter, continuous operation.
Heatsink Over-
heat
Protected by electronic circuit.
Stall Prevention
Level
Can be set individual levels during acceleration/deceleration, pro-
vided/not provided available during coast to a stop.
Cooling Fan
Fault
Protected by electronic circuit (fan lock detection).
Ground Fault
*6
Protected by electronic circuit (rated output current level).
Power Charge
Indication
Charge LED is provided.
ON until the DC bus voltage becomes 50 V or less.
Output Functions
Input Signals
Multi-
function
Input
Four of the following input signals are selectable: Reverse run (3-
wire sequence), fault reset, external fault (NO/NC contact input),
multi-step speed operation, JOG command, acceleration/deceler-
ation time select, external baseblock (NO/NC contact input),
SPEED SEARCH command, ACCELERATION/DECELERATION
HOLD command, LOCAL/REMOTE selection, communication/
control circuit terminal selection, emergency stop fault, emergency
stop alarm
Output Signals
Multi-
function
Output
*3
Following output signals are selectable (1 NO/NC contact output):
Fault, running, zero speed, frequency agree, frequency detection
(output frequency ≤ or ≥ set value), overtorque detection, minor er-
ror, baseblock, operating mode, Inverter run ready, fault retry, UV,
speed search, data output through communication
Standard Func-
tions
Full-range automatic torque boost, slip compensation, DC injec-
tion braking current/time at startup/stop frequency reference bias/
gain, frequency reference with built-in potentiometer, constant
copy, [MEMOBUS communications (RS-485/422, max.19.2K bps)
(optional)]
Other Functions
Indications
Status
Indica-
tors
RUN and ALARM provided as standard indicators
Digital
Opera-
tor
Provided for monitor frequency reference, output frequency, out-
put current
Terminals Main circuit: screw terminals
Control circuit: plug-in screw terminal
Wiring Distance
between Inverter
and Motor
100 m or less
*5
Enclosure Open chassis IP20
Cooling Method Cooling fan is provided for the following models:
400 V, 1.5 kW or larger Inverters (3-phase)
Other models are self-cooling.
Voltage Class 400 V 3-phase
Model CIMR-
J7∗A
3-phase 40P2 40P4 40P7 41P5 42P2 43P0 43P7