Three Braking Units In Parallel - YASKAWA CIMR-SSA Series Instruction Manual

3.3

THREE BRAKING UNITS IN PARALLEL

R
3-Phase
Power Supply
S
200 to 230 V
50/60 Hz
T
THRX OFF
Overload Relay Trip Contact
of Braking Resistor Unit
1
MC
Forward Run/Stop
Reverse Run/Stop
External Fault
Fault Reset
Multi-step Speed Setting 1
Factory (Master/Aux Change)
Setting
Multi-step Speed
Setting 2
Jog Reference
External Baseblock
0 to +10 V
2 kΩ
External
4 to 20 mA
Speed
Reference
0 to +10 V
0 V
80
For Models CIMR-SSA2030 to -SSA2075 (200 V Class 30 to 75 kW)
Use sequencer to break
power supply side on
overload relay trip contact
of braking resistor unit.
MCCB
MC
ON
MC
MC
SA
THRX
2
SA
TRX
SA
TRX
20 18
Fault
Contact
Braking Unit
3
4
2 kΩ
P
P
P
: When using the braking resistor unit, set constant L3-01 to "0" (overvoltage prevention selection
disabled). If it is not changed, the inverter may not stop within set decel time.
©
Level
Detection
1
2
¨ 3
©
R
U
S
V
T
W
r
(ℓ )
1
Cooling
M
Fan
(ℓ )
2
VS-686SS5
23
Analog
Monitor 2
21
Analog
1 Forward Run when
Monitor 1 22
CLOSED
2 Reverse Run when
CLOSED
(12)
3
18
4
19
5
Multi-function
20
Contact Input
6
7
8
10
11 Sequence Common
Terminal (0V)
12 Shield Sheath
Connection Terminal
25
15 Speed Setting Power
Supply +15V 20mA
26
13 Master Speed Ref.
0 to 10V (20kΩ)
14 Master Speed Ref.
27
4 to 20mA (250Ω)
16 Multi-function Analog Input
0 to 10V (20kΩ)
17 (Aux Speed Ref. at
Factory Setting)
0 V
33 Speed Setting Power Supply
-15V 20mA
Thermal Overload
Thermal Overload
Protector
Protector
1 2 1 2
Braking Braking
Resistor Resistor
Unit Unit
P
B B P
¨ © © ¨ ©
0 ¨ 0 ¨
0 0
MASTER
MASTER
SLAVE
+15
5 1 5
Braking Unit 2
P
P
6 2 6 2
3 4
3 4
Thermoswitch Thermoswitch
Motor
M
Ground (100Ω or less)
+
Multi-function Analog Output
-10 to +10V 2mA
AM
(Output Current at Factory
Setting)
−
Multi-function Analog Output
-10 to +10 V 2mA
(Rotation Speed at Factory
+
−
SM
Setting)
18
Fault Contact Output
250 VAC 1 A or less
30 VDC 1 A or less
20
9
Multi-function Contact Output
250 VAC 1 A or less
30 VDC 1A or less
(Signal during Running at Factory
Setting)
Open Collector 1
(Zero Speed Signal at
Factory Setting)
Open Collector 2
(Speed Agree Signal
at Factory Setting)
Multi-function
Output Common
Thermal Overload
Protector
2
1
Braking
Resistor
Unit :
P
B
© ¨ ©
0 ¨
0
MASTER
SLAVE
1 5
Braking Unit 3
6
3 4
Thermoswitch
Multi-function Open
Collector Output
48 V 50 mA or less