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3.2 Function Block Diagram
The following diagram shows function blocks and a typical wiring example.
(*1) An external 24 VDC ±10% power supply (SELV) is required for the interface. For convenience' sake, the power supply has been
separated, however, configuration with a common power supply is possible.
(*2) Use safety components such as safety relays or safety switches compatible with EN ISO13849-1 standard PL-d or higher, or EN /IEC
61508 standard SIL2 or higher.
(*3) Use safety relays compatible with EN ISO13849-1 standard PL-d or higher, or EN /IEC 61508 standard SIL2 or higher. Use a 24 VDC
excitation voltage, contact a for main contacts, and contact b for auxiliary contacts.
(*4) There is a possibility that internal switching components may be damaged by relay surge voltage that occurs when the product is OFF. In
order to suppress surge voltage, connect diodes or varistors, etc. near relays. Internal circuits will be damaged if the diode polarity is
mistaken.
3.3 External Dimensions and Name of Each Part
LED
CN10A
CN10B
ALPHA7
L1
L2
L3
L1C
L2C
WSU-ST1
*1
SIA1+
SIA1-
*2
SIA2+
SIA2-
RES+
RES-
PI_SSM1
*1
SSM1
CM_SSM1
*4
PI_SSM2
*1
SSM2
CM_SSM2
*4
EDM1+
*1
EDM1-
EDM2+
*4
*1
EDM2-
*4
U
V
W
STO
Circuit
Encoder
Control
Circuit
PISBC1
SBC1
*1
*4
SIB1+
SIB1-
PISBC2
SBC2
*1
*4
Safety
SIB2+
Control
circuit
SIB2-
Servo motor
Brake
M
*3
*3
電源
Power supply
Rating nameplate
定格銘板
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