SJ700-2 Instruction Manual NT204DX - Hitachi America, Ltd.

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Chapter 4 Explanation of Functions 4.3.16 Zero-return function (ORG, ORL) - One of three types of zero-return operations can be selected by zero-return mode selection (P068). When a zero-return operation ends, the current position counter is cleared (to 0). - Use zero-return direction selection (P069) to select the direction of zero-return operation. - If zero-return operation is not performed, position control is performed based on the assumption that the motor position detected at power-on is the origin. Low-speed zero-return ORG terminal ORL terminal Output frequency (1) (2) ON (3) ON Low-speed zero-return speed (P070) (1) The inverter accelerates the motor for the specified acceleration time to the low-speed zero-return speed. (2) The inverter runs the motor at the low-speed zero-return speed. (3) The inverter performs positioning when the ORL signal is input. Origin Position High-speed zero-return ORG terminal O ORL terminal Output frequency (1) (2) High-speed zero-return 2 ON Origin (5) (3) ON High-speed zero-return speed (P071) Position (4) Low-speed zero-return speed (P070) The inverter accelerates the motor for the specified acceleration time to the high-speed zero-return speed. The inverter runs the motor at the high-speed zero-return speed. The inverter starts deceleration when the ORL signal is turned on. The inverter runs the motor in the reverse direction at the low-speed zero-return speed. The inverter performs positioning when the ORL signal is turned off. ORG terminal ON The inverter accelerates the motor for the specified acceleration time to the high-speed zero-return ORL terminal ON speed. (2) Output frequency The inverter runs the motor at the high-speed zero-return speed. (3) Low-speed zero-return speed The inverter starts deceleration (1) (P070) when the ORL signal is turned on. (6) (7) The inverter runs the motor in the reverse direction at the low-speed Origin Position (5) (4) zero-return speed. high-speed zero-return speed (P071) The inverter starts deceleration when the ORL signal is turned off. The inverter runs the motor in the Z pulse forward direction at the low-speed zero-return speed. The inverter performs positioning at the first Z pulse position after the ORL signal is turned on. 4 - 110
Chapter 4 Explanation of Functions Related code 4.3.17 Forward/reverse drive stop function (FOT/ROT) C001-C008 intelligent input terminals - The forward/reverse drive stop function allows you to prevent motor operation from deviating from the specified control range according to signals from the control range limit switches. - When the FOT terminal is turned on, the torque for forward rotation is limited to 10%. When the ROT terminal is turned on, the torque for reverse rotation is limited to 10%. This function can be used as a limit switch function at the machine end. This function is activated by setting 71 (FOT) and 72 (ROT) on intelligent input terminals 1-8 (C001- C008 4.3.18 Position range specification function Related code P072: Position range specification (forward) - The position control ranges for forward and reverse rotations can P073: Position range specification (reverse) be specified by the position range specification (forward) (P072) and position range specification (reverse) (P073), respectively. If the value of the current position counter exceeds one of these ranges, a position control range error (E63.* or E73.*) causes the inverter to trip and enter free-running status. - The values specified by P072 and P073 limit the maximum values of multistage position settings 0 to 7 (P060 to P067). (Position settings cannot exceed the specified position ranges.) 4.3.19 Teaching function - The teaching function allows you to make the inverter run and stop the motor arbitrarily, and then store position data as a position command in an arbitrary position command area of memory. - Assign function "45" (ORT) to an intelligent input terminal 1-8 (C001-C008). Related code C001-C008 intelligent input terminals P012: Control pulse setting P013: Home search stop position setting The ORT terminal functions as the teaching terminal when "02" (absolute position control) or "03" (high-resolution absolute position control) is specified for the control pulse setting (P012). Select the position command to be set by teaching selection (P074). Move the workpiece. - Enter an operation command with the ORT terminal turned on. The speed and acceleration/deceleration settings selected at operation command input are applied. ORT terminal Operation command ON ON Output frequency The speed setting selected at operation command input is applied. Position * Teaching operation can be performed when power is input to the power supply terminals (R0 and T0) of the inverter control circuit. The current position counter also operates when an external device moves the workpiece. Therefore, teaching operation can also be performed when the inverter does not operate the machine. Note: In the case above, make sure that the power supply to the power terminals (R, S, and T) of the inverter power circuit or inverter output (U, V, and W) is disconnected from the motor. Performing teaching operation with the power supply and inverter output connected may result in personal injury or damage to equipment. Press the STR key on the digital operator when the target position is reached. (Be sure to press when data is displayed (in case remote operator SRW-OJ, SRW-OEX is used, cursor is on the data value and PRG LED is on) Setting of P074 Position command to be set The current position data is set in the memory area corresponding to the position command specified by the teaching selection (P074). (P074 itself is not stored. After power off or reset, 00 (X00) is set.) 00 P060: Multistage position setting 0 01 P061: Multistage position setting 1 02 P062: Multistage position setting 2 03 P063: Multistage position setting 3 04 P064: Multistage position setting 4 05 P065: Multistage position setting 5 06 P066: Multistage position setting 6 07 P067: Multistage position setting 7 4 - 111
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HITACHI INVERTER SJ700-2 SERIES INS
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Safety Instructions Safety Instruct
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Safety Instructions 3. Operation !
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Safety Instructions Precautions Con
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Safety Instructions Precautions Con
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Safety Instructions 10. Distributio
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Contents Chapter 1 Overview 1.1 Ins
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Contents 4.2.30 Overload restrictio
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Contents 4.3.15 Speed/position swit
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Chapter 1 Overview This chapter des
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Chapter 1 Overview 1.2 Method of In
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Chapter 3 Operation You can operate
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Chapter 5 Error Codes 5.1 Error Cod
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Chapter 5 Error Codes Name Gate arr
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Chapter 5 Error Codes 5.1.2 Option
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Chapter 5 Error Codes 3) Error indi
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Chapter 5 Error Codes 5.1.3 Trip co
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Chapter 6 Maintenance and Inspectio
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Chapter 7 Specifications 7.1 Specif
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Chapter 7 Specifications (3) Common
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Chapter 7 Specifications SJ700-150
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Chapter 7 Specifications SJ700-750
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Chapter 8 List of Data Settings 8.1
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Chapter 8 List of Data Settings 8.4
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Chapter 8 List of Data Settings AVR
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Appendix Upgrading from the SJ300 S
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Index A B C a/b....................
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Index O P O........................
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SJ700-2 Instruction Manual NT204DX - Hitachi America, Ltd.

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