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4
Wiring diagram, basic unit
MCH4_A: Description of terminal functions on the basic unit
Terminal
Function
X1:1/2/3
X2:4/5/6
X3:8/9
X4:
L1/L2/L3
U/V/W
+R/-R
+UZ/-UZ
Mains connection
Motor connection
Braking resistor connection
DC link connection
X10:1
X10:2/3
X10:4
X10:5
X10:6
REF1
AI11/12
AI21
AGND
REF2
+10 V (max. 3 mA) for setpoint potentiometer
Setpoint input n1 (differential input or input with AGND reference potential), signal form → P11_ / S11
Either setpoint input n2 (0...10 V) or TF/TH input, setting → P120
Reference potential for analog signals (REF1, REF2, AI..)
-10 V (max. 3 mA) for setpoint potentiometer
X10:7/8
SC11/SC12 System bus high/low, direct electrical connection to SC21/SC22 (X10:10/X10:11)
X10:9
DGND
Reference potential system bus
X10:10/11 SC21/SC22 System bus high/low, direct electrical connection to SC11/SC12 (X10:7/X10:8)
X11:1
X11:2
X11:3
X11:4
X11:5
X11:6
DIØØ
DIØ1
DIØ2
DIØ3
DIØ4
DIØ5
Binary input 1, with fixed assignment '/Controller inhibit' •
Binary input 2, factory setting 'CW/stop'
•
Binary input 3, factory setting 'CCW/stop'
Binary input 4, factory setting 'Enable/rapid stop'
Binary input 5, factory setting 'n11/n12'
Binary input 6, factory setting 'n12/n22'
X11:7
DCOM
Reference for binary inputs DIØØ to DIØ5 (X11:1 to X11:6)
• Switching of binary inputs with +24 V external voltage: DCOM (X11:7) must be connected to the reference
potential of the external voltage.
– Without jumper DCOM-DGND (X11:7-X11:9) → Isolated binary inputs
– With jumper DCOM-DGND (X11:7-X11:9) → Non-isolated binary inputs
X11:8
X11:9
VO24
DGND
Auxiliary supply output +24 V (max. 200 mA) for external command switches
Reference potential for binary signals
X12:1
X12:2
X12:3
X12:4
X12:5
DBØØ
DOØ1-C
DOØ1-NO
DOØ1-NC
DOØ2/AO1
X12:6
X12:7
VI24
DGND
Binary output 0, with fixed assignment '/Brake', load capacity max. 150 mA (short-circuit proof)
Shared contact binary output 1, factory setting: 'Ready'
Normally open contact binary output 1, load capacity of the relay contacts max. 30 VDC and 0.8 A
NC contact binary output 1
Binary output 2, factory setting: 'No function', load capacity max. 50 mA (short-circuit proof)
can also be used as analog output AO1, switchover with P621 and P642
Selection options for binary outputs 1 and 2 (DOØ1 and DOØ2) → Parameter menu P62_
Do not apply an external voltage to binary outputs DBØØ (X12:1) and DOØ2/AO1 (X12:5)!
Input +24 V voltage supply (backup voltage, unit diagnosis when supply system off)
Reference potential for binary signals
X14:1
X14:2
X14:3
X14:4
X14:5/6
X14:7
X14:8
X14:9
X14:10
X14:11
X14:12
X14:13/14
X14:15
Input of
external
encoder or
output of
incremental encoder
simulation
Signal track A (K1)
Signal track B (K2)
Signal track C (K0)
DATA+
Reserved
Switchover
Ref. potential DGND
Signal track A (K1)
Signal track B (K2)
Signal track C (K0)
DATAReserved
+12 V (max. 180 mA)
The following encoders are allowed to be connected as external encoders:
• Hiperface encoder type AS1H, ES1H or AV1H
• sin/cos encoder type ES1S, ES2S or EV1S
• 5 V TTL sensor with 24 VDC voltage supply type ES1R, ES2R or EV1R
• 5 V TTL sensor with 5 VDC voltage supply type ES1T, ES2T or EV1T via
DWI11A option
X15:1
X15:2
X15:3
X15:4
X15:5
X15:6
X15:7
X15:8
X15:9
X15:10
X15:11
X15:12
X15:13
X15:14
X15:15
Motor
encoder
input
Signal track A (K1)
Signal track B (K2)
Signal track C (K0)
DATA+
Reserved
TF2
Reserved
Ref. potential DGND
Signal track A (K1)
Signal track B (K2)
Signal track C (K0)
DATAReserved
TF2
+12 V (max. 180 mA)
The following encoders are allowed to be connected:
• Hiperface encoder type AS1H or ES1H
• sin/cos encoder type ES1S, ES2S or EV1S
• 5 V TTL sensor with 24 VDC voltage supply type ES1R, ES2R or EV1R
• 5 V TTL sensor with 5 VDC voltage supply type ES1T, ES2T or EV1T via
DWI11A option
•
30
The binary inputs are electrically isolated by optocouplers.
Selection options for binary inputs 2 to 6
(DIØ1...DIØ5) → Parameter menu P60_
Switching of binary inputs with +24 V from VO24 (X11:8) → DCOM-DGND jumper required.
If X14: is used as an incremental encoder simulation output, the switchover (X14:7)
must be jumpered with DGND (X14:8).
The 12 VDC supply from X14 and X15 is sufficient to operate SEW encoders with a
24 VDC supply.
The 12 VDC supply from X14 and X15 is sufficient to operate SEW encoders with a
24 VDC supply.
S1...S6
DIP switches for INTERBUS settings → Sec. 'Setting the DIP switches' (page 22)
S11:
S12:
Switch mode I signal (0(4)...20 mA) ↔ V signal (-10 V...0...10 V, 0...10 V), factory setting: V signal
Switch system bus terminating resistor on or off, factory setting: switched off
TERMINAL
Option slot for DBG11B keypad or serial port USS21A (RS-232 and RS-485)
MOVIDRIVE® compact MCH4_A Operating Instructions