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Control and Monitoring
ABB CRBX01 Compact Remote Bus Extender HN800 Fiber Optic 4 Mbps Symphony Plus
ABB CRBX01 is a compact fiber optic remote bus extender for Symphony Plus SD Series, extending the redundant HN800 I/O bus up to 3…
Why TZ TECH
Why TZ Tech
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We start with the exact part number, revision, condition, quantity, and destination so the response is specific to the application.
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Long-standing sourcing relationships help locate current, surplus, discontinued, and non-standard industrial automation components.
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Availability, condition, revision, lead time, shipping, and applicable warranty terms are communicated with each quotation.
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Field notes
News & Technical Insight
PLC vs DCS vs PAC vs Relay Logic: Which One Does Your Job Actually Need?
A control architecture is the arrangement that decides, on a repeating basis, what an output should do. Four arrangements dominate…
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Rockwell CompactLogix 5390 launch: what the October 13 announcement actually says
Rockwell Automation announced the CompactLogix 5390 controller in a press release dated October 13, 2026, issued from Milwaukee through PR…
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Mitsubishi FR-D800 Inverter: Selection, Wiring and First Start
The FR-D800 inverter is the current compact drive in the Mitsubishi Electric FREQROL line. It replaces the FR-D700 and the…
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