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Hitachi SJ-DG - page 1
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 ...
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Hitachi SJ-DG - page 2
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 ...
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Hitachi SJ-DG - page 3
SAFETY PRECAUTIONS ! SAF E TY 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 r ...
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Hitachi SJ-DG - page 4
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 ...
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Hitachi SJ-DG - page 5
SAFETY PRECAUTIONS ...
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Hitachi SJ-DG - page 6
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Hitachi SJ-DG - page 7
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) Scre ...
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Hitachi SJ-DG - page 8
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, fa ...
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Hitachi SJ-DG - page 9
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 T ...
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Hitachi SJ-DG - page 10
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 ...
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Hitachi SJ-DG - page 11
CHAPTER 3 WIRING, CONNECTION 5 3.3 SPECIFICATION OF TERMINAL Table 3-3 shows specification of terminal. Table 3-3 Specification of terminal Terminal symbol Terminal name Specification Electric characteristics D15 to D0 (Hereinafter called as Dn) Data input terminal Input STRB Strobe terminal (Data take in command signal terminal) Photo coupler inpu ...
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Hitachi SJ-DG - page 12
CHAPTER 4 SETTING 6 Rotary switch C ODE Dip switch T YPE Figure 4-1 Position of switch 4.1 POSITION OF SETTING SWITCH Figure 4-1shows position of setting switch . PAC, DIV, BIN, BCD which printed around the dip switch (TYPE) means one time input , 2 dividing input, binary input, BCD input. 4.2 INITIAL SETTING CONDITION OF PRINTED BOARD Table 4-2 sh ...
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Hitachi SJ-DG - page 13
CHAPTER 4 SETTING 7 It is possible to select input mode by combination of dip switch and rotary switch on the option printed board. Table 4-4 shows table of input mode. (Viewpoint of table of input mode) Example 1) In one time input mode, switch setting which se ts setting frequency by 1Hz resolution and binary input. TYPE CODE 1 2 BIN PAC 2 Exampl ...
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Hitachi SJ-DG - page 14
CHAPTER 4 SETTING 8 4.5 PRECAUTIONS AT SETTING OF SWITCH (1) In case of setting rotary switch code to (5, 7 to F) in one time input mode, sequence error outputs just after power on of inverter. (2) In case of setting rotary switch code to (B to F) in 2 dividing input mode, sequence error outputs just after power on of inverter. (3) In case of (1) o ...
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Hitachi SJ-DG - page 15
CHAPTER 5 FUNCTION 9 Setting of dip switch TYPE 1 2 BIN PAC Setting of dip switch TYPE 1 2 BCD PAC 5.1 FUNCTION 5.1.1 ONE TIME BINARY INPUT It is possible to select frequency setting, torque limit setting or position setting of one time data input by rotary switch CODE. Figure 5.1.1shows data bit construction of one time binary input. (Example of s ...
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Hitachi SJ-DG - page 16
CHAPTER 5 FUNCTION 10 Setting of dip switch TYPE 1 2 BIN DIV P recaution Refer to 5.3 ” DATA INPUT TIMING ” for signal input timing. 5.1.3 TWO DIVIDING BINARY INPUT It is possible to change setting data by twice input of data, higher data and lower data. And it is possible to select frequency setting, torque limit setting, acceleration and dece ...
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Hitachi SJ-DG - page 17
CHAPTER 5 FUNCTION 11 Setting of dip switch TYPE 1 2 BCD DIV 5.1.4 TWO DIVIDING BCD INPUT It is possible to change setting data by twice input of data, higher data and lower data. And it is possible to select frequency setting, torque limit setting, acceleration and deceleration time setting, or position setting by change of classification code (Re ...
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Hitachi SJ-DG - page 18
CHAPTER 5 FUNCTION 12 5.2 CLASSIFICATION CODE Table 5.2 shows table of classification code. Make sure to input classification code in order, higher code and then lower code. 5.3 DATA INPUT TIMING 5.3.1 TIMING AT ONE TIME INPUT MO DE Take in data in on level that strobe signal. Let on/off time of strobe signal be more than 20ms. Be in state of on. A ...
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Hitachi SJ-DG - page 19
CHAPTER 5 FUNCTION 13 5.3.2 TIMING AT TWO DIVIDING DATA INPUT Take in data in on-edge of strove signal. Let on/off time of strobe signal be more than 20ms. And let off time of strobe signal be more than 20ms, P recaution If Figure 5.3.2 timing chart is not satisfied, be careful because of possibility of taking in error data. 5.4 NOTICE AT DATA INPU ...
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Hitachi SJ-DG - page 20
CHAPTER 5 FUNCTION 14 BCD 9999 However, f Hz set actually is calculated in max F M I f in = max F max frequency Hz and, value which is ignored less than is setting frequency. ...
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