Yaskawa iQpump Controller User Manual - Manual (Page 47)

2.3 Control Wiring
YASKAWA TM.iQp.06 iQpump Controller User Manual 47
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Wiring Checks
After all wiring is completed, perform the following checks:
1. Is all wiring correct?
2. Have all wire clippings, screws or other foreign material been removed from the iQpump drive enclosure?
3. Are all terminal screws tight?
◆ Control Circuit Terminal Functions
The factory default functions of the control circuit terminals for 2-wire control are shown in Table 2.8 .
Table 2.8 Control Circuit Terminals
Type No. Signal Name Description Signal Level
Digital
input
signals
S1 Forward run / stop command Forward run when CLOSED; stopped when OPEN.
24 Vdc, 8 mA
Photocoupler isolation
S2 Not used. Not used.
S3 External fault input Fault when CLOSED.
Multi-function digital
inputs
Functions set by H1-01
to H1-05.
S4 Fault reset Reset when CLOSED
S5 Multi-step SP1
Multi-step SP1 frequency reference when
CLOSED.
S6 Hand Mode Hand Mode when CLOSED.
S7 Pre-Charge
Pre-Charge function disabled when
CLOSED.
SN
Digital input common Refer to Table 2.10 for connection details. SC
SP
Analog
input
signals
+V +15 Vdc power supply +15 Vdc power supply for analog inputs or transmitters
+15 Vdc
(Max. current: 20 mA)
A1
Analog input or
Speed Command
0 to +10 Vdc / 100 % 0 to +10 V (20 k Ω)
A2
Multi-function analog input
(PI Feedback)
4 ~ 20 mA / 100 %
0 to +10Vdc / 100 % (H3-0
Function set by H3-09.
4 to 20 mA (250 Ω)
0 to +10 V (20 k Ω)
AC Analog common — —
E(G)
Shield wire, optional ground line
connection point
— —
Digital output
signals
M1
Pump 2 Control
(N.O. contact)
CLOSED during operation
Multi-function digital
output
Function set by H2-01.
Dry contacts
Contact capacity:
1 A max. at 250 Vac
1 A max. at 30 Vdc
M2
M3
Pump 3 Control
(N.O. contact)
CLOSED when local control
Multi-function digital
output
Function set by H2-02. M4
MA
Fault output signal
(SPDT)
MA / MC: CLOSED during fault condition
MB / MC: OPEN during fault condition
Dry contacts
Contact capacity:
1 A max. at 250 Vac
1 A max. at 30 Vdc
MB
MC
Analog
output signals
FM Multi-function analog output
(output frequency)
0 to +10 Vdc / 100 % frequency
Multi-function analog
monitor 1
Function set by H4-01
0 to +10 Vdc max. ±5 %
2 mA max.
AC Analog common —
AM Multi-function analog output
(output current)
0 to +10 Vdc / 100 % drive rated output
current
Multi-function analog
monitor 2
Function set by H4-04
RS-485 /
422
R+ Modbus
communication input
For 2-wire RS-485, jumper R+ and S+ and
jumper R- and S-.
Differential input,
PHC isolation R-
S+ Modbus
communication output
Differential input,
PHC isolation S-
IG Signal common — —