6. Appendices

6.3 Auxiliary contact functions

 

 

 

 

 

 

 

 

 

 

 

Alarm LED

Type 1-alarm

Type 2-alarm

Cause

 

 

17

contact

contact

 

 

 

 

 

 

 

 

Normal operation

Green

OFF

OFF

 

 

 

 

 

 

 

 

Downgraded operation

Yellow

ON

OFF

Current on at least one output

 

 

 

 

 

circuit between 60% and 80% of

 

 

 

 

 

max. value for the circuit.

 

 

 

 

 

 

 

Overload or overvoltage

Red

ON

OFF

◗Current on at least one output

 

 

 

 

 

circuit higher than 80% of max.

 

 

 

 

 

value for the circuit,

 

 

 

 

 

◗or overvoltage (> 457 V),

 

 

 

 

 

◗or overcurrent (> 250 A).

 

 

 

 

 

 

 

Other fault

Red

OFF

ON

◗Temperature rise in the isolation

 

 

 

 

 

transformer,

 

 

 

 

 

◗or actuation of remote shutdown

 

 

 

 

 

function.

 

 

 

 

 

 

6.4 Modbus communication information

Access to communicated information

Each status indication or measurement displayed on the module is accessible via the RS232 or RS485 communication port.

Each PMM module uses a series of 16 addresses.

If the network communicates with a number of PMM modules, use an available series among the following series of 16 addresses for each module: 1 to 16 ,17 to 32, 33 to 48, 49 to 64, 65 to 80, 81 to 96, 97 to 112, 113 to 128, 129 to 144, 145 to 160, 161 to 176, 177 to 192, 193 to 208, 209 to 224 and 225 to 241.

The 16 addresses in each series are assigned the following functions: 1st address in the series: reserved for MGE UPS SYSTEMS,

2nd address in the series: access to card BCM1 (status and measurements for output circuits of phase A),

3rd address in the series: access to card BCM2 (status and measurements for output circuits of B),

4th address in the series: access to card BCM3 (status and measurements for output circuits of C),

5th to 8th address in the series: reserved for MGE UPS SYSTEMS,

9th address in the series: access to card MCM (general status and measurements),

10th to 16th address in the series: reserved for MGE UPS SYSTEMS.

As indicated above, four addresses in each series are used to access the information in the registers of four cards, corresponding to all the status and measurement information presented in the tables on the following pages.

Key for tables:

# :register using 2 bytes,

R/W : read only (R ) or read/write (R/W ) information,

Bit : detail of each bit of the address,

NV : non-volatile information,

Description : description of the concerned information.

Additional explications are provided in the right-hand column if necessary.

Warning: Do not modify the registers reserved for MGE UPS SYSTEMS. Changing these registers can cause the PMM module to malfunction.

34020201EN/AB - Page 23

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MGE UPS Systems 250A Auxiliary contact functions, Modbus communication information, Access to communicated information
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250A specifications

MGE UPS Systems has garnered a reputation for delivering high-quality power protection solutions, and the 250A model stands out as an excellent choice for businesses seeking reliable uninterruptible power supply (UPS) systems. This particular model is designed to handle critical loads while ensuring continuous power availability and safeguarding equipment against power disturbances.

One of the main features of the MGE UPS Systems 250A is its robust power capacity. It can efficiently supply power to critical devices, making it suitable for a range of applications including data centers, telecommunication networks, and industrial environments. The 250A offers a highly scalable solution, allowing businesses to expand their power needs as they grow.

In terms of technology, the MGE UPS Systems 250A utilizes advanced double-conversion technology, which converts incoming AC power to DC and then back to AC. This process ensures that the connected equipment receives a consistent and clean sine wave output, free from fluctuations and disturbances. The UPS is equipped with high-efficiency operation modes, including Eco-mode, which help reduce energy consumption and operational costs while maintaining optimal performance.

Another notable characteristic of the 250A is its versatility in connectivity and integration. It features a comprehensive range of communication ports, enabling seamless integration with existing infrastructures. The UPS can be monitored and managed remotely, allowing for real-time insights into the power status and performance metrics. This level of monitoring is crucial for ensuring optimal operation and for preemptively addressing potential issues.

Moreover, MGE UPS Systems has placed a strong emphasis on user-friendly design in the 250A model. The intuitive interface and clear display make it easy for operators to navigate through settings and configurations. Additionally, the modular design of the UPS allows for easy maintenance and upgrades, minimizing downtime and optimizing service efficiency.

To enhance its reliability, the MGE UPS Systems 250A comes with multiple safety features, including overload protection, short circuit protection, and temperature monitoring. These safeguards ensure that the system operates within safe parameters, reducing the risk of damage to both the UPS and connected equipment.

In summary, the MGE UPS Systems 250A is a powerful and versatile solution for businesses requiring reliable power protection. With its advanced technology, energy-efficient design, and user-friendly features, it meets the demands of modern power requirements while ensuring seamless operation and equipment safety.
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