Mitsubishi Electric MELSERVO-J4 series, Instruction Manual

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3 SIGNALS AND WIRING
3.2 I/O signal connection example
*1 To prevent an electric shock, always connect the protective earth (PE) terminal (marked ) of the servo amplifier to the protective earth
(PE) of the cabinet.
*2 Connect the diode in the correct direction. If it is connected reversely, the servo amplifier will malfunction and will not output signals,
disabling EM2 (Forced stop 2) and other protective circuits.
*3 If the controller does not have forced stop function, always install the forced stop 2 switch (normally closed contact).
*4 When starting operation, always turn on EM2 (Forced stop 2), LSP (Forward rotation stroke end) and LSN (Reverse rotation stroke end).
(Normally closed contact) When FLS (Upper stroke limit) and RLS (Lower stroke limit) are used through a controller, wiring LSP and
LSN is unnecessary. In that case, set [Pr. PD41].
*5 Use SW1DNC MRC2-_.
 Page 381 MR Configurator2
*6 You can change devices of these pins with [Pr. PD03], [Pr. PD05], and [Pr. PD06].
*7 The device is available only with MR-J4-_GF_-RJ.
*8 Configure a circuit to turn off EM2 when the main circuit power is turned off to prevent an unexpected restart of the servo amplifier.
*9 When not using the STO function, attach the short-circuit connector came with a servo amplifier.
*10 Supply 24 V DC

10% for interfaces from outside. Set the total current capacity to 300 mA. 300 mA is the value applicable when all I/O
signals are used. The current capacity can be decreased by reducing the number of I/O points. Refer to the following for the current
value necessary for the interface.
 Page 116 Digital input interface DI-1
The illustration of the 24 V DC power supply is divided between input signal and output signal for convenience. However, they can be
configured by one.
*11 ALM (Malfunction) turns on in normal alarm-free condition. (Normally closed contact)
*12 The pins with the same signal name are connected in the servo amplifier.
*13 You can change devices of these pins with [Pr. PD07], [Pr. PD08], and [Pr. PD09].
*14 When you use a linear servo motor or direct drive motor, use MBR (Electromagnetic brake interlock) for an external brake mechanism.