Mitsubishi Electric MELFA RH-FRH-D, Installation Description

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Mode changeover switch connection Connection
4 - 18
4.5 Mode changeover switch connection
Connect the key switch of customer prepared and change the right of robot’s operation by switch op-
eration. The key switch can be installed in the operation panel of customer preparation.
Right of operation (mode):
AUTOMATIC. . . . . . . . . . . The operation from external equipment becomes available. Operation which
needs the right of operation from T/B cannot be performed. It is necessary to
set the parameter for the rights of operation to connection with external
equipment. Refer to the separate volume, "Instruction Manual/Detailed Ex-
planation of Functions and Operations" for detail.
MANUAL . . . . . . . . . . . . . . When T/B is available, only the operation from T/B becomes available. Oper-
ation which needs the right of operation from external equipment cannot be
performed.
The mode changes by both opening or both closing between 21-5 pin and between 28-12 pin.
Maintain the current mode except it.
R002728E
Fig. 4-18:
Connection of the Mode changeover switch
Pin number and Function (Connector: CNUSR11) Change mode
Pin-No. Function MANUAL AUTOMATIC
21 1st line KEY input
Open Close
5 Power 24 V of pin number 21
28 2nd line KEY input
Open Close
12 Power 24 V of pin number 28
Tab. 4-3:
Function of the key switch interface
NOTE The contact capacity of each input/output terminal is 24 V DC/100 mA. Don't connect the equip-
ment except for this range. The use exceeding contact capacity causes failure.
In the customer's system, do not ground the + side of 24 V power supply prepared by customer for
connect to the controller. (related with emergency stop and parallel input/output) If it connects
with the controller under the condition that the + side is grounded, it will lead to failure of control-
ler.
MODE
MANUAL AUTOMATIC
Mode changeover
switch
CNUSR11 connector