The Honeywell 620-1200 control processor module serves as the central brain for automation systems. This unit weighs 0.58 kg and measures 16.8 cm x 10.5 cm x 3.8 cm. It provides two serial ports, one Ethernet port, and one expansion bus. The module contains one 32-bit CPU, 2 MB of RAM, and 4 MB of flash memory. For energy storage, it includes one lithium battery and one 330µF capacitor. Consequently, the Honeywell 620-1200 retains programs during extended power outages.
Technical Specifications
The table below lists all verified parameters for the Honeywell 620-1200. Use this data for your system integration planning.
| Parameter | Value |
|---|---|
| Manufacturer | Honeywell |
| Model | 620-1200 |
| Category | Control Processor Module |
| Weight | 0.58 kg |
| Dimensions (L x W x H) | 16.8 cm x 10.5 cm x 3.8 cm |
| Processor Type | 32-bit RISC |
| RAM Memory | 2 MB |
| Flash Memory | 4 MB |
| Serial Ports | 2 ports (RS-232 and RS-485) |
| Ethernet Port | 1 port (10/100 Mbps) |
| Expansion Bus | 1 port (parallel backplane) |
| Onboard Components | 1 CPU, 2 memory chips, 1 clock |
| Battery Type | Lithium (removable) |
| Battery Life | 4 years typical |
| Energy Storage | 1x 330µF electrolytic capacitor |
| Capacitor Hold-up Time | 25 seconds |
| Execution Speed | 0.15 µs per boolean instruction |
| Power Supply | 5V DC ±5% |
| Current Draw | 350 mA |
| Power Consumption | 1.75W |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -40°C to +85°C |
Processing Performance
The Honeywell 620-1200 uses a 32-bit RISC processor for efficient program execution. This CPU executes boolean instructions in just 0.15 microseconds. Therefore, the module handles medium-sized control applications with ease. The 2 MB of RAM stores user programs and real-time data. Hence, you can implement complex logic without memory limitations.
Memory and Storage
This control processor includes 4 MB of flash memory for permanent program storage. Consequently, you do not need external memory cards for application backup. The flash memory retains all data even when you remove power completely. Thus, the Honeywell 620-1200 boots up quickly after power restoration. The module also stores historical logs and event records in flash.
Communication Interfaces
The Honeywell 620-1200 offers two serial ports for versatile connectivity. One port supports RS-232 for programming and HMI connections. The other port handles RS-485 for multi-drop instrument networks. Additionally, the Ethernet port provides 10/100 Mbps connectivity to plant networks. Therefore, you can integrate this module into modern industrial control architectures. The expansion bus links to additional I/O modules and peripherals.
Backup and Energy Storage
The lithium battery retains RAM contents for up to four years. Hence, your program stays safe even when power fails completely. The 330µF capacitor provides 25 seconds of backup during battery replacement. Thus, you can change the battery without losing any data. The Honeywell 620-1200 includes a battery low indicator on its front panel.
Installation and Connectivity
You can mount the Honeywell 620-1200 on a standard DIN rail. Alternatively, secure it with M4 screws through its four mounting holes. The Ethernet port accepts standard RJ45 patch cables. The serial ports use 9-pin D-sub connectors for easy wiring. The Honeywell 620-1200 works seamlessly with the RMS-TSG-TZ-C static trip unit.
Environmental Durability
This control processor module operates reliably from 0°C to +55°C. It also withstands 90% relative humidity without condensation. The module survives vibration up to 2g from 10 to 150 Hz. Therefore, the Honeywell 620-1200 suits most industrial control cabinets perfectly.
Details
| Weight | 0.2 kg |
|---|---|
| Dimensions | 85 × 65 × 30 mm |
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