Technical Specifications Slot Quantity:7 module slots Backplane Bus:Series 90‑70 parallel high‑speed backplane bus Maximum Backplane Current:10A @5VDC Isolation Voltage:1500V RMS Operating Temperature:0℃～+60℃ Storage Temperature:-40℃～+85℃ Relative Humidity:5%‑95%, non‑condensing Certifications:CE, UL, cUL
Functional Features 7‑slot mechanical carrier, integrated high‑speed backplane bus, module mechanical locking structure, support DIN‑rail and screw mounting, compatible with full Series 90‑70 plug‑in modules.
Application Scenarios Series 90‑70 main control rack, small‑size expansion rack, legacy industrial automation control cabinet, equipment retrofit spare replacement.
Performance Parameters High‑speed parallel backplane bus transmission Single‑slot partial fault does not damage whole chassis Shock & vibration:Comply with IEC 60068
Structural Characteristics Metal industrial coated housing Internal integrated backplane printed circuit board Front module plug‑in opening Each slot equipped with module mechanical locking latch Power supply module dedicated position DIN‑rail mounting fixture and screw fixing holes
Working Principle Each slot inside chassis connects to internal high‑speed backplane bus circuit. After inserting corresponding plug‑in modules, backplane bus establishes power supply path and high‑speed data signal channel among CPU, I/O and communication modules, completes data interaction and power distribution for all installed hardware units.
Installation Requirements Mount chassis on standard DIN‑rail or fasten by screw inside control cabinet. Complete reliable protective grounding for metal housing. Calculate total power consumption of all inserted modules and shall not exceed 10A backplane current limit. Cut off rack power before inserting or removing modules. Ensure cabinet ventilation and avoid condensation.
Usage Notes Only install genuine Series 90‑70 compatible modules. Do not overload total backplane current capacity. Do not disassemble internal backplane circuit on site. Prevent dust accumulation, corrosive gas and liquid splash.
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