YASKAWA CPCR-MR08C Bulletin page 16

2.2 INTERNAL BLOCK DIAGRAM
POWER SUPPLY
SINGLE-PHASE
200/220 VAC, 100/110 VAC
+_10o , 50/60 Hz POWER
[i POWE ON ,TH °'
^_ r---'m 1 MC 1 Ry
_
_ L._ --I SURGE SUF_%SS_NG SURGE SUPPRESgNG
MC c_'_cE t _ DEVI¢
t THERMAL OVERLOAD
RELAY 1 THR
I .... I _. I
1X
1 MC- :1 MCpowE R
TRANSFORMER I 1-2 6 5
1 FU
1Tr
2 C DCSERVOMOTOR
1 DB
, I
2R
, ,
U22 ,,
V21( (+)
c_ 7-- DC TACHOMETER
& &
GENERATOR ITG)
...... 2 C'--_ 2 CN 7 V/(1000 r/min)
+12V(+30mA) 10 CONTROL
0V 11 POWER
--12V (--30 mA) 12 /I_ [F0wE_
V[_-] -12V
3CR 3ml
SPEED REFERENCE
(0 V) ] (SEE PAR 3.2.1.)
PROPORTIONAL
DRIVE REFERENCE 3 7 VR 11VR +6 V
(WITH I CR ON)
(SEE PAR. 3.3.2.)
I
!
1 CR I_
PWM
GENERATOR
_r
I
I
I
FWD_2 mA 13 VR_
OVERTRAVEL PREVENTION 13( IRVS EXTERNAL
(BASE OFFWITH TERMS. 4. CURRENT LIMIT
5-6 OR TERMS. 5-7 OPEN) 1;( I FWD (SEE PAR. 3.3.1 .)
(SEE PAR. 3.3.3.)
I
4CR 3mA 1Tr TO4Tr -- i
•_, -- _ DRIVE 2 CN
CIRCUIT I
(o v) i
OFF OV.OC DETECTION /
EXTERNAL BASE ; _ti'_'_"_ I ._1 (WITH 4 CR ON) " I
(SEE PAR. 3.3.4.) 1 PWB (TYPE CPCR-MR-CA;,:]Ci
.........
]
-4_CN- -- -I
Notes:
1. Terminals (_ and (_ are normally open contact. They are different from terminals
(_) and _) (normally closed contacts) of the previous types (CPCR-MR01 to oMR05),
2. Thermal overload relay is directly connected to terminal (_) and the motor in series. Pre-
vious types (CPCR-MR01 to °MR05) have connection terminal (_).
3, Terminal (_) is not connected internally. In the previous types (CPCR-MR01 to -MR05)
it is common toSG OV.
4. O.S drive works only for type CPCR-MRE]CJ.
Fig. 2.1 Internal Block Diagram of SERVOPACKTypes
CPCR-MR01C to -MR05C
14