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2. OPERATION
WARNING
CAUTION
NOTICE
MEMORANDUM
Note: 1. To prevent an electric shock, always connect the protective earth
(PE) terminal (terminal marked
protective earth (PE) of the control box.
Note: 2. Connect the diode in the correct direction. If it is connected
reversely, the servo amplifier will be faulty and will not output
signals, disabling the emergency stop and other protective cir-
cuits.
3. The emergency stop switch must be installed.
Note: 4. When using the regenerative brake option, always remove the
lead from across D-P.
5. CN1A, CN1B, CN2 and CN3 have the same shape. Wrong
connection of the connectors will lead to a fault.
6. The sum of currents that flow in the external relays should be
80mA max. If it exceeds 80mA, supply interface power from
external.
Note: 7. When starting operation, always connect the external emergency
stop signal (EMG) and forward/reverse rotation stroke end signal
(LSN/LSP) with SG. (Normally closed contacts)
8. The pins with the same signal name are connected in the servo
amplifier.
9. The trouble (ALM) signal is on when there is no alarm, i.e. in the
normal state.
When this signal is switched off (at occurrence of an alarm), the
output of the controller should be stopped by the sequence
program.
10. When connecting the personal computer together with monitor
outputs 1, 2, use the maintenance junction card (MR-J2CN3TM).
(Refer to Section 6-1-4)
11. This length applies to the command pulse train input in the
differential line driver system. Though the command pulse train
input may be in the open collector system, we recommend the
differential line driver system which is less affected by external
noises. The length is 2m (6.5ft) or less in the open collector
system.
12. The connection method changes with the servo motor series.
Refer to Section 3-2-2.
13. A single-phase 230V power supply may be used with the servo
amplifier of MR-J2-70A or less. Connect the power supply to L1
and L2 terminals and leave L3 open.
2– 5
) of the servo amplifier to the
2
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