Vision120 OPLC™ User Guide
6
Technical Description
The Vision120 OPLC (V120)
• Dimensions: 96 x 96 x 64mm (3.78” x 3.78” x 2.52”).
• Mounting: either panel or DIN rail mountable.
• Power supply: 12 or 24VDC.
• Real-time clock (RTC): enables time and date controlled functions.
• Battery back-up: protects real-time clock (RTC) and all data, including variable data.
Operating Panel
The operating panel comprises a graphic display screen and keyboard:
• The LCD screen displays both user-defined text; according to fonts selected in the HMI
program; and user-designed graphic images.
• The V120 keypad contains 16 keys.
I/Os
Different V120 models offer different on-board I/O configurations. In addition to the on-
board I/Os, the controller’s I/O expansion port enables up to 8 I/O Expansion Modules to be
connected to a single controller.
Note that I/O technical specifications are provided in separate documents.
Communications
Serial Communications
The controller has 2 serial communication ports. These may function in conjunction with
either the RS232 or RS485 standard, in accordance with the instructions provided in
“Chapter 5: Communications”, page 19.
CANbus
Specific controller models comprise 1 port for CANbus networking purposes.
Programming
Vision OPLC programs comprise both PLC and HMI applications. Both applications are
programmed on a PC using VisiLogic software.
PLC Application
The PLC application enables Vision to perform automation tasks. V120-12-xx models have
an application memory of up to 256K; V120-22-xx up to 448K. VisiLogic enables the
programmer to:
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