Terminal Specifications; Terminal Functions; Connection Diagram In Operation By External Signal Inputs - ADT iMaster-U1 Instruction Manual

8.2 Terminal Specifications

8.2.1 Terminal functions

For details about the main and control circuit terminals, refer to Chapter 2, Section 2.3.5 and
Section 2.3.6 (Table 2.7), respectively.

8.2.2 Connection diagram in operation by external signal inputs

MCCB or
RCD/ELCB
(Note 1)
Power supply
Single-phase
200 to 240V
50/60Hz
MCCB or
RCD/ELCB
(Note 1)
Power supply
Three-phase
380 to 480V
50/60Hz
Power supply to
potentiometer
Voltage Input
0 to 10 VDC
Current Input
+4 to +20 mADC
Analog Meter
(Note 1) Install a recommended molded case circuit breaker (MCCB) or a residual-current-operated
protective device (RCD)/earth leakage circuit breaker (ELCB) (with overcurrent protection) in the
primary circuit of the inverter to protect wiring. Do not use an MCCB or RCD/ELCB whose capacity
exceeds the recommended rated current.
(Note 2) A magnetic contactor (MC) should, if necessary, be mounted independent of the MCCB or ELCB to
cut off the power fed to the inverter. MCs or solenoids that will be installed close to the inverter require
surge absorbers to be connected in parallel to their coils.
(Note 4) The THR function can be used by assigning "9" (External alarm) to any of terminals [X1] to [X3],
[FWD] or [REV] (function code E01 to E03, E98, or E99).
(Note 5) Frequency can be set by connecting a frequency setting device (external potentiometer)
between terminals [11], [12], and [13] instead of inputting voltage signal (0 to +10 VDC or 0 to +5
VDC) between terminals [12] and [11].
MC (Note 2)
L1/L
L2/N
MC (Note 2)
Grounding termical
(Note 5)
3
2
1
(+)
(-)
(Note 6)
BRD (Dynamic Braking Resistor)
P
DB
P DB
L1/R
L2/S
L3/T
G
[13]
[12]
[11]
[C1]
[11]
[FMA]
[FWD]
SINK
[REV]
[CM]
SOURCE
[X1]
[X2]
RJ-45
[X3]
[PLC]
8-3
2
(Note 4)
[CM]
1
[THR]
Main Circuit
U
Motor
M
V
W
G
Grounding termical (Note 7)
Control Circuit
30A
30B
Alarm output
(for any fault)
30C
RCD : Residual-current- operated
Protective Device
ELCB : Earth Leakage Circuit Braker
MC : Magnetic Contactor
MCCB : Molded Case Circuit Braker
[Y1]
Transistor Output
[Y1E]
[DX+]
R
RS-485
Communication port
*With a built-in
[DX-]
resistor switch