Hitachi SJ-DG User manual

After reading this manual, keep it handy for future reference
INSTRUCTION MANUAL
Thank you for purchase of “HITACHI INVERTER”. This manual
explains about treatment of “SJ-DG (digital input option)”. By reading this
manual and an instruction manual of inverter use practically for
installation, maintenance, and inspection. After reading this manual, keep
it handy for future reference
Make sure to reach this manual to the end user.
Table of Contents
Chapter1 Introduction 1
Chapter2 Installation method of printed board 2
Chapter3 Wiring Connecting 4
Chapter4 Setting 6
Chapter5 Function 7
SJ300/L300P SERIES
SJ-DG(DIGITAL INPUT OPTION)
NB617X
HITACHI INVERTER

 Request
Thank you for purchase of “HITACHI INVERTER”. This manual explains about handling of “SJ-DG (digital
input option)”.
This instruction manual explains about treatment and maintenance of “SJ-DG”. Before using the product,
carefully read this manual with the instruction manual of inverter, and keeps it handy for quick reference of
operator and maintenance inspector. Before installing, operating, maintenance and inspection read this manual
carefully and follow the instructions exactly.
Always keep various kinds of specification mentioned in this manual and use exactly. And make sure to
prevent trouble by correct inspection and maintenance. Make sure to reach this manual to the end user.
About treatment of this manual
Please consent that mentioned items of this manual may be change without permission.
Keep this manual carefully not to lose because it cannot be reissued.
All right reserved.
Contents in this manual is written to make assurance doubly sure but, but please contact if you have some
doubts about spelling mistakes, omitted word etc.
Please agree that there is no responsibility for effects resulted, in spite of contents above mentioned.
Revision History Table
No.Revision contents The date of issue Manual No
1. Initial release 1999/12 NB617X
Except this table, revised only spelling mistakes omitted words, and error writings without notice.

SAFETY PRECAUTIONS
!
SAFETY PRECAUTIONS
Carefully read this manual and all of the warning labels attached to the inverter before installing, operating,
maintaining, or inspecting it. Safety precautions are classified into “Warning”and “Caution”in this manual.
: Indicates a potentially hazardous situation which, if not avoided, can result in serious injury or
death.
: Indicates a potentially hazardous situation which, if not avoided, can result in minor to moderate
injury, or serous damage to the product.
The situation described in WARNING may, if not avoided, lead to serious results. Important safety measures are
described in CAUTION (as well as WARNING) so be sure observe them.
Notes are described in this manual in “Note”, Precaution. Carefully read the contents and follow them exactly.
CAUTION
In all the illustrations in this manual, covers and safety devicesare occasionally removed to describe the
details. When the product is operated, make sure that the covers and safety devices are placed as they were
specified originally and operate it according to the instruction manual.
WARNING
!
CAUTION
!

SAFETY PRECAUTIONS
!
!
WARNING
Wiring:
•Wiring work shall be carried out by electrical experts
Otherwise, there is a danger of electric shock, fire and/or damage of product.
•Implement wiring after checking that the power supply is off.
Otherwise, there is a danger of electric shock and/or fire.
Operating:
•Be sure not to touch the surface or the terminal of option board while energizing.
Otherwise, there is a danger of electric shock and/or fire.
•Be sure not to remove the digital input option printed board while operating.
Otherwise, there is a danger of electric shock and/or fire.
Maintenance, Inspection and Part Replacement:
•Wait at least 10 minutes after turning off the input power supply before performing maintenance and
inspection.
(Confirm the charge lamp on the inverter is off, checks direct current voltage between P-N terminals and
confirm it is less than 45V.)
Otherwise, there is a danger of electric shock.
•Make sure that only qualified persons will perform maintenance, inspection, and part replacement
(Before starting the work, remove metallic objects from your person (wristwatch, bracelet, etc.).
Be sure to use tools protected with insulation)
Otherwise, there is a danger of electric shock, and/or injury.
Note:
•Never modify the unit.
Otherwise, there is a danger of electric shock and/or injury.
CAUTION
Installation:
•Be sure not to let the foreign matter enter such as wire clippings, spatter from welding, metal shaving,
dust, etc.
Otherwise, there is a danger of fire.
•Be sure to fix inverter to option printed board with an attached fixed screw.
Otherwise, there is a danger of connecting error.
•Be sure to fasten the screws connecting signal wire in side of option printed board. Check for any
loosening of screw.
Otherwise, there is a danger of connecting error.
Wiring:
•Be sure to fasten the screws not to loose.
Otherwise, there is a danger of connecting error.
Operation:
•Check rotary direction, abnormal motor noise and vibrations during operating.
Otherwise, there is a danger of injury to personnel and/or machine breakage.

SAFETY PRECAUTIONS

CHAPTER 1 INTRODUCTION
1
1.1 INSPECTION UPON UNPACKING
Make sure to treat the product carefully not to give shock and vibration while unpacking. Check that the product
is the one you ordered, and that there is no damage during transportation.
(Contents of packing)
(1) SJ-DG(digital input option printed board) : 1
(2) Instruction manual : 1
(3) Screws fixed printed board(M3 times 8mm) : 2
If you discover any problms, contact your sales agent immediately.
1.2 INQUIRY OF THE PRODUCT AND WARRANTY FOR THE PRODUCT
1.2.1 REQUIRE WHILE INQUIRING
If inquiry of breakage, question, damage etc. is needed, please tell the following information to the supplier you
ordered or the nearest Hitachi Distributor.
(1) Type
(2) Manufacturing number (MFG,NO)
(3) Day of purchasing
(4) Contents of inquiry
Damage part and its condition
Question parts and their contents etc.
In order to shorten impossible working time, standing spare unit is recommended.
1.2.2 WARRANTY OF THE PRODUCT
This product is guaranteed to last for one year after purchase. But, the next case is toll repair, even if within
warranty period.
(1) In case caused by operating mistake, and incorrect repair and modification
(2) Trouble caused by reasons except the shipped product.
(3) In case of using in range over the value of specification.
(4) In case caused by natural calamity, disaster, and secondary disaster,
Warranty mentioned here means warranty for shipped product itself. Damage caused by trouble of shipped
product is not guaranteed. Guarantee is valid only in Japan.
(Effective only Japan)
Toll repair
Any explanation and repair after the warranty period (one-year) shall be charged to the purchaser. And also any
explanation and repair out of warranty mentioned above, even within warranty period, shall be charged to the
purchaser. If you require the toll repair, please contact your Hitachi Distributor.
1.3 OUTLINE OF THE PRODUCT
If this option printed board is installed to SJ300/L300P series, it is possible to input setting frequency,
acceleration time setting, deceleration time setting, torque limit setting, and position setting in digital.

CHAPTER 2 INSTALLATION METHOD OF PRINTED BOARD
2
2.1 INSTALLATION METHOD OF PRINTED BOARD
As the following Figure 2-1, exactly connect option board 1 or 2 to the holes of the four corners and the
connector part of the back. Be sure to fit them to the guide post for positioning of option printed board and screw
holes for fixing. After connecting, fastened the two points of printed board with the fixed screws attached.
Option board 1
Option board 2
Guide post for the positioning of option board
Screw holes for fixing option board (M3 screw)
Option board
Figure 2-1 Installation of option printed board

CHAPTER 3 WIRING, CONNECTING
3
3.1 TERMINAL ASSIGNMENT OF DIGITAL INPUT OPTION BOARD
Figure 3-1a shows terminal assignment, Figure 3-1b shows terminal standard connection.
In case of sink type interface, power is supplied to input terminal (D0 to D15, STRB) by short circuit between
P24B terminal and PLCB terminal.
D5
D4
D3
D2
D1
D0
STRB
P24B
TM2 Terminal assignment
CM1
PLCB
SEQ
CMB
D15
D14
D13
D12
D11
TM1 Terminal assignment
D10
D9
D8
D7
D6
TM1
TM2
Figure 3-1a Terminal assignment
RY
SEQ
CMB
D15
D0
STRB
CM1
PLCB
P24B
D14
(Data input signal)
(Sequence error output terminal)
(Strobe)
(Common terminal)
(Common terminal)
(short circuit)
Inverter digital option printed board
Figure 3-1b Terminal standard connection

CHAPTER 3 WIRING, CONNECTION
4
3.2 CONNECTION TO PROGRAMABLE CONTROLLER
In case of operating this unit connecting to programable controller, there are 4 patterns of input terminals (Table
3-2a), 2 patterns of output terminals(Table 3-2b). Please connect fitted to the type of programable controller used.
Table 3-2a Connection of Input terminal (Dn, STRB, CM1) to Programable controller
Sink logic Source logic
In case of using internal interface power source In case of using internal interface power source
In case of using external power source In case of using external power source
Table 3-2b Connection of output terminal(SEQCMB) to programable controller
Sink logic Source logic
DC24V
S
SJ-DG
YTR48 type
Output module
Short
Circuit
COM
P24B
PLCB
CM1
Dn
STRB
DC24V
SJ-DG
S
COM
P24B
CM1
Dn
YTS48 type
Output module
STRB
Short
Circuit
PLCB
SJ-DG
DC24
V
P24
PLC
B
CM1
Dn
S
DC24V
COM
STRB
SJ-DG
DC24V
DC24
COM
S
P24
PLCB
CM1
Dn
STRB
YTR48 type
Output module YTS48 type
Output module