N3 Drive Operations Manual
Control Terminals (TM2); Terminal Layout & Wiring Cont. 16
10.2 Control Terminal Layout (Terminal Block TM2) and Control Switches
R2B
R2A
S6
S5 S4 S3 S2 S1
R1AR1B
R1C
AIN
10V
24V
FM+
COM
0.5 – 10 HP (230V) 1 – 15 HP (460V)
SW2
R2B
R2A
S6
S5 S4 S3 S2 S1
R1AR1B
R1C
AIN
10V 24V
FM+
COM
COM COM
15 – 40 HP (230V) 20 – 75 HP (460V)
R2B
R2A
S6
S5 S4 S3 S2 S1
R1AR1B
R1C
AIN
10V
24V
FM+
COM
0.5 – 2 HP (230V) 1 – 2 HP (460V)
Fig. 10.2.2 Control Terminal TM2 Layout (Prior to Version 1.3)
Fig. 10.2.1 Control Terminal TM2 Layout
R2B
R2A
S6
S5 S4 S3 S2 S1
R1AR1B
R1C
AIN
10V
AGND
24V
FM+
AI2
24G
SW1 - Sets the input digital terminals S1-S7 for Sink (NPN) or Source (PNP) logic.
SW2 - Sets the analog input terminal AIN for voltage (V) or current (I).
SW3 – Sets the analog input terminal AI2 (Ver. 1.3 or later) or the multifunctional terminal S6/AI2 (prior to Ver.1.3) for voltage (V) or current (I).
Please refer to General Wiring Diagrams 5.0 and 6.0 for further information.
SW1
NPN
PNP
SW3
I
V
SW2
Control Switches
Control Board
3 – 40 HP (230V) 3 – 75 HP (460V)
R2B
R2A
S6
S5 S4 S3 S2 S1
R1AR1B
R1C
AI2
10V
AIN
24V
FM+
AGND
24G
Version 1.4 and above
Version 1.3
10.3 Control Terminal Wiring and Connections (Terminal TM2)
Control wiring is connected to terminal TM2. Select the proper wire and rating in accordance with the following:
Use copper wire only. The proper wire diameter should be based on ratings at +105
°
C.
AWG #18 is recommended.
To minimize EMI (electromagnetic interference), route control cables at least 12 in. from any power cables.
Do not run control wiring in the same conduit with power and motor wiring.
Depending on signal levels, shielded - twisted pair wiring is recommended as shown in the Fig. below.
For nominal values of input / output signals, follow the requirements of class 2 wiring
Shield
Twisted Pair
Wrap with insulating Tape
Ground Shield at Inverter
end
ONLY
DO NOT
Ground Shield at
this end
Control Cable, Shielded Twisted Pair
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