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Chapter 1
Page 3 of 16
Chapter 1 – General Description
The 115VIF-3 interface board is used to translate 115 VAC control signals – from crane and
hoist operator pendant stations – to the 24 VDC logical input signals required by the SJ200 or
SJ700 series of Hitachi inverters.
The board provides optical isolation between the 115 VAC pendant voltages and the inverter
control inputs. It also incorporates the necessary logic functions to perform application-specific
crane and hoist functions, as described in a later section of this manual.
Before using this product, please read this manual and the inverter manual, and be sure to follow all safety
precautions noted therein. After unpacking the 115VIF-3 board, carefully inspect it for any defect or damage.
115VIF-3 Carton Contents
(1) 115VIF-3 Interface Board
IMPORTANT: To use the 115VIF-3 interface in an SJ700 Series inverter, you will also require the
115VIF-KIT, purchased separately:
OPTIONAL 115VIF-KIT Carton Contents (one required per 115VIF-3)
(1) Pigtail wiring harness, 9” long
(1) M3 x 8mm screw and wave washer
WARRANTY
The warranty period under normal installation and handling conditions shall be eighteen (18) months
from the date of purchase, or twelve (12) months from the date of installation, whichever occurs first.
The warranty shall cover repair or replacement, at Hitachi’s sole discretion, of the 115VIF-3 interface
board.
Service in the following cases, even within the warranty period, shall be to the customers account:
1. Malfunction or damage caused by misuse, modification or unauthorized repair.
2. Malfunction or damage caused by mishandling, dropping, etc., after delivery.
3. Malfunction or damage caused by fire, earthquake, flood, lightning, abnormal input voltage,
contamination, or other natural disasters.
If service is required for the product at your worksite, all expenses associated with field repair are the
purchaser’s responsibility. This warranty only covers service at Hitachi designated service facilities.
If making a warranty claims in reference to the above, please contact the distributor from whom you
purchased the 115VIF-3, and provide the model number, purchase date, installation date, failure date
and description of damage, malfunction, or missing components.