Installation and Connection
3
CFW-11 | 3-47
CCW
CW
≥5 kΩ
rpm
amp
XC1
Terminal Strip
Factory Setting Function Specications
1 REF+
Positive reference for
potentiometer
Output voltage: +5.4 V, ±5 %
Maximum output current: 2 mA
2 AI1+
Analog input # 1:
speed reference (remote)
Differential
Resolution: 12 bits
Signal: 0 to 10 V (R
IN
= 400 kΩ) / 0 to 20 mA / 4 to 20 mA (R
IN
= 500 Ω)
Maximum voltage: ±30 V
3 AI1-
4 REF-
Negative reference for
potentiometer
Output voltage: -4.7 V, ±5 %
Maximum output current: 2 mA
5 AI2+
Analog input # 2:
no function
Differential
Resolution: 11 bits + signal
Signal: 0 to ±10 V (R
IN
= 400 kΩ) / 0 to 20 mA / 4 to 20 mA (R
IN
= 500 Ω)
Maximum voltage: ±30 V
6 AI2-
7 AO1
Analog output # 1:
speed
Galvanic isolation
Resolution: 11 bits
Signal: 0 to 10 V (R
L
≥ 10 kΩ) / 0 to 20 mA / 4 to 20 mA (R
L
≤ 500 Ω)
Protected against short-circuit
8
AGND
(24 V)
Reference (0 V) for the
analog outputs
Connected to the ground (frame) through an impedance: 940 Ω resistor in
parallel with a 22 nF capacitor. Same reference as the one of DGND *
9 AO2
Analog output # 2:
motor current
Galvanic isolation
Resolution: 11 bits.
Signal: 0 to 10 V (R
L
≥ 10 kΩ) / 0 to 20 mA / 4 to 20 mA (R
L
≤ 500 Ω).
Protected against short-circuit.
10
AGND
(24 V)
Reference (0 V) for the
analog outputs
Connected to the ground (frame) through an impedance: 940 Ω resistor in
parallel with a 22 nF capacitor. Same reference as the one of DGND *
11 DGND*
Reference (0 V) for the 24 Vdc
power supply
Connected to the ground (frame) through an impedance: 940 Ω resistor in
parallel with a 22 nF capacitor. Same reference as the one of AGND (24 V)
12 COM
Common point of the digital
inputs
13 24 Vdc
24 Vdc power supply 24 Vdc power supply, ±8 %
Capacity: 500 mA
Note: in the models with the 24 Vdc external control power supply
(CFW11...O...W...) the terminal 13 of XC1 becomes an input, i.e., the user
must connect a 24 Vdc power supply for the inverter (refer to the Item 7.1.3
24 Vdc External Control Power Supply on page 7-1, for more details). In
all the other models this terminal is an output, i.e., the user has a 24 Vdc
power supply available there
14 COM
Common point of the digital
inputs
15 DI1
Digital input # 1:
Start/Stop
6 isolated digital inputs
High level ≥ 18 V
Low level ≤ 3 V
Input voltage ≤ 30 V
Input current: 11 mA @ 24 Vdc
16 DI2
Digital input # 2:
direction of rotation (remote)
17 DI3
Digital input # 3:
no function
18 DI4
Digital input # 4:
no function
19 DI5
Digital input # 5:
Jog (remote)
20 DI6
Digital input # 6:
2
nd
ramp
21 NC1
Digital output #1 DO1 (RL1):
no fault
Contact rating:
Maximum voltage: 240 Vac
Maximum current: 1 A
NC - normally closed contact
C - common
NO - normally open contact
22 C1
23 NO1
24 NC2
Digital output #2 DO2 (RL2):
N > N
X
- speed > P0288
25 C2
26 NO2
27 NC3
Digital output #3 DO3 (RL3):
N* > N
X
- speed reference >
P0288
28 C3
29 NO3
(b) Digital inputs working as "Active Low"
Figure 3.36 - (a) and (b) - Signals at connector XC1
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