8
INTELLIGENT ACTUATOR
Part 1 Installation
(4) Auxiliary power devices
[1] Breaker or electromagnetic contactor
Install a circuit breaker or earth leakage breaker in the AC power-supply line (primary side) of the
controller in order to prevent damage due to power switching and short current. One circuit breaker or
earth leakage breaker can be used to protect both the motor power supply and control power supply.
If your controller is of the global specification, an electromagnetic contactor must be installed in front of the
motor power input port on the controller so that the motor drive source can be cut off. Select a product that
meets your requirement for safety category. Refer to Chapter 6, “Safety Circuit,” for the configuration of
the safety circuit.
[2] Noise filter, ring core and clamp filters
The global specification has no built-in noise filters in the motor power supply. If your controller is of the
global specification, therefore, be sure to install noise filters and ring cores for the motor drive power
supply externally to the controller. Even with the standard controller, noise filters and ring cores must be
installed if noise-sensitive external equipment will be used.
With both the global specification and standard specification, use the same noise filters and ring cores to
protect both the motor power supply and control power supply.
Install clamp filters to ensure compliance with the EC Directives or if necessary for other reasons.
Clamp filter A
Install this clamp filter to the control power cable and motor cable (if there are multiple axes,
connect to the cables of all axes).
Clamp filter B
Install this clamp filter to the motor power cable.
Caution: Be sure to use the following noise filter, ring core and clamp filters to ensure compliance with
the EC Directives (IAI uses the following filters in the evaluation certification tests under the
EMC Directives).
Recommended Noise Filter, Ring Core and Clamp Filters
Supplier Model
Noise filter Densei-Lambda
MC1320 (for three-phase power supply)
MXB-1220-33 (for single-phase power supply)
Ring core NEC Tokin ESD-R-25
Clamp filter A TDK ZCAT3035-1330
Clamp filter B Kitagawa Industries RFC-H13
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