Installation and operation manual for Emerson XM670-XM679 microprocessor-based controllers used in multiplexed cabinets.
This manual provides instructions for the installation, mounting, electrical connections, and operation of Emerson Digital Cold Chain's XM670 and XM679 controllers. These high-level microprocessor-based devices are designed for medium or low temperature applications within multiplexed cabinet systems.
The document covers user interface navigation, parameter configuration via menus (including energy saving and defrost settings), load control strategies such as solenoid valves and fans, and alarm signal management. It also details technical specifications, wiring diagrams for various models, and RS485 MODBUS networking setup.
| Operating Temperature | 32 to 140°F (0 to 60°C) |
|---|---|
| Storage Temperature | -13 to 140°F (-25°C to 60°C) |
| Power Supply | 12VAC – 24VAC - 110VAC ± 10% - 230V AC ± 10% |
| Relay Outputs Max Current | MAX 16A |
| Valve Output Power | up to 30W |
| Probe Inputs | Up to 6 NTC/PTC/Pt1000 probes |
They are high level microprocessor based controllers for multiplexed cabinets, suitable for applications on medium or low temperature.
The system supports up to eight different sections that can operate depending on the programming.