Smach EFE 4000, Service Manual

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9
6.2.Inverter Troubleshooting
*Description of Terminals Troubleshooting inverter
SYMBOL
R\L1(L)
S\L2
T / L3 ( N )
P1
BR
P1/ P
U / T1
V / T2
W / T3
SYMBOL
R2A
R2B
R1C
Common contact
R1B
Normal close contact
R1A
Normal open contact
10V
AIN
24V
COM
FM+
SYMBOL
S1
S2
S3
S4
S5
S6
Description
Main power input Single-phase: L/N
Braking resistor or connecting terminal: Used in cases where the inverter
frequently disconnects due to large load inertia or short deceleration time
(refer to specifications of braking resistor)
For
220V:1HP
DC reactor connecting terminals (bridging connection P1 – P must be
removed for connecting an DC reactor)
Inverter outputs
Description of Terminals of Troubleshooting Inverter
Descriptions of main circuit terminals
Descriptions of SW function
Frequency knob (VR = Potentiometer ), when operating with optional LED keypad
power source terminal (pin 3) LEVEL SENSOR,ALARM BUZZER
Analog frequency signal input terminal or multifunction input terminals S7 (H
level:>8V, L level:<2V, PNP only) LEVEL SENSOR
Common contact for S1~S5 (S6, S7)in PNP (Source) input. Short-circuit pin 2 and pin
3 (refer to SYNPLUS wiring diagram) of SW1 when used PNP input Rotary switch,optical sensor
Descriptions of SYNPLUS control circuit terminals
Description
Multifunctional terminal – Normal open ALARM BUZZER
L
Multifunctional output
terminals
HOPPER DIGITAL THERMOSTAT
CYLINDER VALVE
Common contact and analog input /output signal for S1~S5in NPN (Sink) input.
Short-circuit pin 2 and pin 3 (refer to SYNPLUS wiring diagram) of SW1 when used
NPN input optical sensor,ssr,alarm buzzer
The positive analog output for multifunction (refer to 8-00 description), the signal for
output terminal is 0-10VDC (below 2mA). SSR
Function Description
Multifunction input terminals(refer to 5-00 ~ 5-04 description)
(S5 = Encoder input terminal for integrated PLC functionality, the Encoder voltage
range: 19.2V~24.7V)
Wash-rotary switch 1
Stand by-rotary switch 2
Soft-rotary switch 3
Hard-rotary switch 4
optical sensor
Multifunction input terminals ( Digital terminal H level:>8V, L level:<2V, PNP only)
o r analog input terminal A I 2 ( 0 ~ 1 0 V d c / 4 ~ 2 0 m A ) ( refer to 5-05 description)