Programmable-logic controllers

Two new controllers have joined the Jazz 2 Series, the JZ20-R16 and JZ20-R10. The controllers feature 48K (virtual) ladder-logic memory and a built-in mini USB programming port.

The controllers can replace “smart relays” for applications such as simple autoclaves, rotating tables, home automation, and other small-to-medium systems.

All Jazz controllers include four autotune PID loops that can be set using the onboard temperature/analog inputs, and the analog or PWM outputs; all onboard transistor outputs can function as PWM outputs. The devices also feature a full-function HMI with a two-line LCD text display that shows up to 60 user-designed screens, and a 16-key keypad.

Unitronics, 1 Batterymarch Park, Quincy, MA 02169, (866) 666-6033,

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