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8. Directions for operation, use and maintenance of electric installation
8.1 Technical conditions
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Supply with electrical power is made according to EN 60204-1, §4.3.
The machine is wired up to a three-phase supply network: 3-50Hz; 400V; equipped with working null (N) and
earthling (PE).
The feed circuit will be protected against short-circuit and amperages exceeding the permitted values.
-
Electric installation is made under IP44 protection degree
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Electric installation works under the following conditions:
– maximum altitude......................................................................... 1000 m
– environment temperature ................................................ -5° up to +40° C
– relative humidity of environment .......................... 40% up to 80% at 25° C
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Electric installation works normally at:
– voltage between.................................................................. (0,9 – 1,1) Un
– frequency between.......................................................... (0,99 – 1,01) Fn
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Voltage for control circuit.......................................................... 24 V / 50 Hz
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Maximum power input in the supply net work .......................... Pa = 0,97 kW
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The main parts of the electric installation:
– instruments plate MIP30-9.1-0- for control and driving
– three-phase induction motor M1 for machine driving
– pedal MIP30-7-0 (with micro switch SB1, SB2) – for START/STOP control
8.1.1
COMPONENTS
Name Nr.
Description
Type / Code
Features
Function
F1
207
208
211
Fuse base E16 LF25
Cap screw for fuse
Fuse 6A
Code 1985
Code 2125
Code 2170
25A / 6A
Protection of motor
F2
207
208
209
Fuse base E16 LF25
Cap screw for fuse
Fuse 0.5A
Code 1985
Code 2125
Code 2170
25A / 0.5A
Protection of transformer
primary circuit
F3
207
208
209
Fuse base E16 LF25
Cap screw for fuse
Fuse 0.5A
Code 1985
Code 2125
Code 2170
25A / 0.5A
Protection of control circuit
FR 204 Thermal
relay
Type TSA 10/3.3A
Code 3670
Is=3.3A; Ir=32.3A
Protection against overload
Motor M
K1
K2
206 Contractor
RG10
P=2.2kW;
Uc=24V/50Hz
Driving Motor M
M 74 3-Phase
motor Type MA
AL19F100-4A
3~50Hz;400V;
0,75kW;
1500 min
-1
Rollers driving
QS 224 On/Off
Cam
switch Type CA4 A202-
626E
400V/2.2kW;
Ith=10A
Closing/opening of supply
circuit
SB1
221
222
223
- Emergency switch
- Support
- Contact block NC
- PTZ-4-RT
- KBH 3
- SEF-01
240V~/6A Emergency
switch
SB2
139
Micro switch
Code 7400
250V/10A
M start to right
SB3
139
Micro switch
Code 7400
250V/10A
M start to left
T
205
Transformator
TNC 25A
25VA;400V/24V
Supply 24V of control circuit
X1 203 Terminal
block
ACI-5
8 polls;
2.5mm
2
;400V/10A
Electrical connections
X2 212 Terminal
block
ACI-5
6 polls;
2.5mm
2
;400V/10A
Electrical connections
XB
202
Null bar
SAR-34.1-3
for 5 connections
Earth connections
XF
225
Power cable
Code 706
4 polls (3-Phase, PE)
400V/16A; IP44
Connecting to the power
source
8.2 Operation instructions
After the machine is assembled and fixed in place, perform the actions below in the order prescribed:
-
Check if all metallic parts of machine are well earthened, according to the electric diagram. Checking is
made visually for the beginning, and then use an ohmmeter to measure the resistance of earthling circuit.
Inside, the earthlings must have a resistance of < 0,4
Ω
.
Содержание MIP 30
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