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EP20-XXXXX-XXX-XXX (en)
7.3.3 Encoder Wiring - Hazardous Motor
The hazardous duty motor will come with a 1024pt TTL encoder with 10 meters of cable lengths and flying lead connec-
tions. The motor will ship without the encoder installed to minimize the chance of damage during shipping and installa-
tion since the encoder is installed on top of the rain canopy. Refer to mechanical installation instructions provided with the
encoder mounting kit (PN TBD) for proper mounting.
If the VFD is placed more than 10 meters from the motor, the encoder cable will need to be extended back to the drive by a
qualified, experienced and certified electrician according to any local and national electric codes.
The flying leads from the encoder will need to be wired to the VFD MCB 102 encoder card per the table below. Refer to sec-
tion 6.5.3 for encoder wiring schematic.
7.4. Control Wiring (Optional)
Refer to section 6.7 for control wiring details and schematics.
7.5. Configured Input/Output Summary - Hazardous
Intended function
Alarm
Digital I/O Terminal
Ground Terminal
24VDC Terminal
Diaphragm 1 Leak Detect
AA1 - Diaphragm 1 Leak
18
20, 39 or 55
12 or 13
Diaphragm 2 Leak Detect
AA2 - Diaphragm 2 Leak
19
20, 39 or 55
12 or 13
Diaphragm 3 Leak Detect
AA3 - Diaphragm 3 Leak
32
20, 39 or 55
12 or 13
PTC Thermal Sensors
Alarm 68
37
20, 39 or 55
N / A
Safe Stop (E Stop)
Alarm 68
37
N / A
12 or 13
User Configurable I/O
27
20, 39 or 55
N / A
User Configurable I/O
29
20, 39 or 55
N / A
Analog In Terminal
Ground Terminal
10VDC Terminal
Speed Control
53
20, 39 or 55
50
Torque Control
54
20, 39 or 55
50
Analog Out Terminal
User Configurable Output
42
20, 39 or 55
N / A
PTC sensors are wired directly to the MCB 112 PTC Thermistor Card. The output of the card is wired to terminal 37. Refer to section 7.2.2.
7.6. VFD Serial Communication - Hazardous
The VFD comes equipped with Modbus RTU as a standard fieldbus communication protocol. Refer to section 6.9 for wiring
details.
Fieldbus communication A slot card options are not usable with a hazardous VFD equipped with the PTC Thermistor Card.
Wire Color
Encoder card
Terminal
Description
Red
(3)
5V
Black
(4)
GND
White
(5)
A INPUT
Green
(6)
A INV INPUT
Blue
(7)
B INPUT
Violet
(8)
B INV INPUT
Yellow
(9)
Z INPUT
Brown
(10)
Z INV INPUT
1024pt TTL encoder with 10 meters of
cable lengths installed on motor
Figure 10
Содержание ARO EVO EP20 Series
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