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Question
ZEN Programmable Relays: What is the difference between the Support Software versions?
Answer
The following table shows the relationship between the version and functions of the ZEN Support Software and the ZEN CPU Unit.
| Date of revision | ZEN CPU Unit | ZEN Support Software |
| January 2002 | System Software (See note.) The system software was upgraded to version 1.1. Main Changes The following display functions have been added to LCD-type CPU Units. Clear display function The display object DAT1 (day/month) | Changes Applicable from Version 2.0 (ZEN-SOFT01-V2) Changed to handle additional display functions. Simulation function added. Improvements made to functions, operability, and display. |
| April 2003 | System Software (See note.) The system software was upgraded to version 2.0. ("-V1" was added to the CPU Unit model number.) Main Changes The number of timers, counters, weekly timers, calendar timers, and display bits was increased from 8 to 16. The number of holding timers was increased from 4 to 8. A 20-point CPU Unit was added to the lineup. | Changes Applicable from Version 3.0 (ZEN-SOFT01-V3) Changed to handle the memory area expansion in "-V1" CPU Units. Changed to handle addition of 20- point CPU Units. |
| January 2006 | System Software (See note.) The system software was upgraded to version 3.0 ("-V2" was added to the CPU Unit model number.) Main Changes Addition of multiple-day operation and pulse-output operation to the weekly timers Addition of twin time operation to the timers Addition of an 8-digit counter and 8-digit comparators Addition of models with communications (10-point models only) and economy CPU Units Addition of daylight saving time settings for Australia and New Zealand Deletion of contrast control | Support for Version 4.0 or Higher (ZEN-SOFT01-V4) Supports CPU Units with enhanced functionality (-V2) Supports half-sized I/O Expansion I/O Units (-8E1) When the type of the CPU Unit (the CPU Unit and Expansion I/O Unit configuration) is the same as that specified in the property settings of the Support Software, program transfer is possible even if Expansion I/O Units are not connected. |
Note:"System software" is the software for processing the CPU Unit's program.
With LCD-type CPU Units, the system software version can be read by selecting Other/System information from the menu. With "-V2" CPU Units, "V03.00" will be displayed as the system software version.
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