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Unitronics JZ20-J-R31 Installation Manual
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Unitronics JZ20-J-R31 Installation Manual

Unitronics JZ20-J-R31 Installation Manual

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Installation Guide
JZ20-R31/JZ20-J-R31
 Before using this product, the user must read and understand this document.
 For additional information regarding this product, refer to the user guide and technical specifications.
 All examples and diagrams are intended to aid understanding, and do not guarantee operation.
Unitronics accepts no responsibility for actual use of this product based on these examples.
 Please dispose of this product according to local and national standards and regulations.
 Only qualified service personnel should open this device or carry out repairs.
Failure to comply with appropriate safety guidelines can cause severe injury or property damage.
 Do not attempt to use this device with parameters that exceed permissible levels.
 To avoid damaging the system, do not connect/disconnect the device when power is on.
Environmental Considerations
 Do not install in areas with: excessive or conductive dust, corrosive or flammable gas,
moisture or rain, excessive heat, regular impact shocks or excessive vibration.
 Ventilation: 10mm space required between the OPLCs' top/bottom edges & enclosure walls.
 Do not place in water or let water leak onto the unit.
 Do not allow debris to fall inside the unit during installation.
Mounting
Dimensions
* Note that for JZ20-J modules those dimensions are 7.5 mm (0.295").
Unitronics
16 Digital, 2 Analog/Digital, 2 Analog Inputs, 11 Relay Outputs
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Summary of Contents for Unitronics JZ20-J-R31

  • Page 1  All examples and diagrams are intended to aid understanding, and do not guarantee operation. Unitronics accepts no responsibility for actual use of this product based on these examples.  Please dispose of this product according to local and national standards and regulations.
  • Page 2 03/14 JZ20-R31/JZ20-J-R31 Add-on modules- Integral USB Port Available by separate order for This may be used for communication and cloning. programming purposes. Note: the USB port and an Add-on module cannot be physically connected at the same time. Add-on: during installation...

  • Page 3: Wiring Procedure

    Allow for voltage drop and noise interference with input lines used over an extended distance. Use wire that is properly sized for the load. Earthing the JZ20-R31/JZ20-J-R31 To maximize system performance, avoid electromagnetic interference as follows:  Use a metal cabinet.

  • Page 4: Digital Outputs

    03/14 JZ20-R31/JZ20-J-R31 Digital Inputs, Controller’s Power Supply Note: The inputs are arranged in two groups. You can wire one group as npn and the other as pnp, or wire both groups as npn, or as pnp. In either case, the npn/pnp pins must be connected.

  • Page 5: Analog Inputs

    JZ20-R31/JZ20-J-R31 03/14 Increasing contact life span To increase the life span of your contacts and protect the unit from potential damage by reverse- EMF, connect:  A clamping diode in parallel with each inductive DC load  An RC snubber circuit in parallel with each inductive AC load Analog inputs Note: Shields should be connected at the signal source.
  • Page 6 JZ20-R31/JZ20-J-R31 The information in this document reflects products at the date of printing. Unitronics reserves the right, subject to all applicable laws, at any time, at its sole discretion, and without notice, to discontinue or change the features, designs, materials and other specifications of its products, and to either permanently or temporarily withdraw any of the forgoing from the market.

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Jz20-r31