Yamatake-Honeywell CP91D Circuit Board

The Yamatake-Honeywell CP91D is a specialized circuit board module used in industrial automation and control systems, particularly within legacy process instrumentation and control platforms. It was developed under the Yamatake-Honeywell joint branding, prior to Yamatake’s transition to Azbil Corporation. Model: CP91D Manufacturer: Yamatake-Honeywell (now Azbil Corporation) Type: Control Circuit Board Module Function: Likely functions as a CPU, I/O processor, or analog/digital interface board (application-dependent) System Compatibility: Yamatake-Honeywell control systems (e.g., HMI, PLC, or DCS platforms) Power Supply: Typically 24 VDC or system-regulated backplane power Form Factor: Plug-in module with edge connector or backplane interface Components: Mixed analog/digital architecture, may include ASICs, EEPROM, and diagnostics Mounting: Card-frame or chassis-mounted in a control cabinet Signal Types: Analog input/output, digital I/O, or communication interfaces (based on system role) PCB Type: Multi-layer board with SMD and through-hole components Application: Industrial automation, HVAC, energy management, and factory control systems Manufacturing Origin: Japan (produced by Yamatake Corporation) Please review pictures carefully and let us know if you have any questions!