Unitronics
1
JZ-RS4
Add-on Module Installation Guide
Jazz
®
RS232/RS485 COM Port Kit
▪
Before using this product, the user must read and understand this document.
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For additional information regarding this product, refer to the MJ20-RS technical specifications.
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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.
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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.
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Do not attempt to use this device with parameters that exceed permissible levels.
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Do not connect the RJ11 connector to a telephone or telephone line.
Environmental Considerations
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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.
▪
Do not place in water or let water leak onto the unit.
▪
Do not allow debris to fall inside the unit during installation.
Kit Contents
The numbered elements in the next figure are described in this section.
1
MJ10-22-CS25
D-type adapter, interface between the PC
or other RS232 device’s serial port and
RS232 communication cable.
2
RS232 communication cable
4-wire programming cable, two meters long. Use this to connect the RS232 serial port on the MJ20-RS to the RS232 port of the other
device, via adapter MJ10-22-CS25.
3
MJ20-RS
RS232/RS485 Add-On Module. Insert this into the Jazz Jack to provide a serial communications interface.
1
2
3
About the MJ20-RS Add-on Module
The MJ20-RS Add-on Module enables Jazz OPLC
™
networking and serial communications, including
program download. The module comprises:
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A single communication channel that serves one
RS232 port and one RS485 port. The module cannot
communicate via RS232 and RS485 simultaneously.
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Switches that enable you to set the device as an
RS485 network termination point
Note that the ports are isolated from the Jazz OPLC.
RS485
connector
RS232
connector
Installation and Removal
1.
Remove the cover from the Jazz jack as shown in the first two figures below.
2.
Position the port so that the port’s pin receptacles are aligned with the pins in the
Jazz jack as shown in the third figure below.
3.
Gently slide the port into the jack.
4.
To remove the port, slide it out, and then re-cover the Jazz jack.
