Poller E – Multi Device Concentrator

The Poller E is an intelligent IP interface for MPL’s power and environmental monitoring and access control systems. It allows the software NGEN to gather critical monitoring data from all connected devices.

MPL devices (PDUs, In-Line, access control units etc) are connected via an industrial RS485 serial data bus. Up to 64 devices may be attached to each bus and the Poller E controls 4 such busses allowing up to 256 monitoring devices to be connected to the LAN, WAN, VPN or internet via a single IP enabled connection point.

This represents a significant infrastructure saving over a system that uses one IP connection
per device.

Monitor the Monitoring

The Poller E is fitted with an information display as standard
This display allows engineers to:

• Check which monitoring devices are responding correctly
• Check the power that the monitoring devices are taking from the poller
• Set (and check) the Poller’s IP configuration

Features

• SNMP interface
• JSON API interface for the most efficient DCIM integration
• XML API interface
• Direct SNMP alerts, improving notification times and reduced dependency on a third party server
• Improved data gathering speeds from PDUs, connected
devices and sensors
• Reduced loads on the NGEN server
• High powered CPU providing non-restrictive future updates
• Remote updates, not requiring physical access

The Poller E is an intelligent IP interface for MPL’s power and environmental monitoring and access control systems. It allows the software NGEN to gather critical monitoring data from cabinets and to send back controls such as door unlock commands.

MPL devices (PDUs, In-Line, access control units etc) are connected via an industrial RS485 serial data bus. Up to 64 devices may be attached to each bus and the Poller E controls 4 such busses allowing up to 256 monitoring devices to be connected to the LAN, WAN, VPN or internet via a single IP enabled connection point.
This represents a significant infrastructure saving over a system that uses one IP connection
per device.

Monitor the Monitoring

The Poller E is fitted with an information display as standard
This display allows engineers to:
• Check which monitoring devices are responding correctly
• Check the power that the monitoring devices are taking from the poller
• Set (and check) the Poller’s IP configuration

Features

• SNMP interface
• JSON API interface for the most efficient DCIM integration
• XML API interface
• Direct SNMP alerts, improving notification times and reduced dependency on a third party server
• Improved data gathering speeds from PDUs, connected
devices and sensors
• Reduced loads on the NGEN server
• High powered CPU providing non-restrictive future updates
• Remote updates, not requiring physical access

Schematic
The Poller E provides an IP inteface for up to 256 monitoring and control devices. Auxiliary power supplies may be used to provide additional power on long chains.
pollerschema

Rear Panel Connections
Chains 1-4: RS485 + power, (4 x 6-way latching Weidmuller)
Network: IP, 1GB full duplex, Assignable address, Ports
4001 and 80, (RJ45)
Aux: Programming port, (RJ12)
Console: Diagnostics, (9-way sub-D)
IEC A & B: Dual (switching) mains connection
Future facilities:
Aux 2 (RJ45); Aux 3 (Dual USB)

Ventilation
The new Poller E incorporates its own fan. The exhausted air is delivered through the perforations on the top of the unit.
According to this, it is key to not place any other equipment above the Poller E as it may cause damage.

Physical
Dimensions: 480mm (19”) x 42.5mm (1U) x 375mm (inc
removable cable bar)
Weight: 4kg.
Power: 100-240 VAC, 100W.

If cabinet monitoring devices were to rely solely on cabinet
power to power their logic, then they run the risk of not being
able to actively report a power failure when the cabinet power
fails. Instead MPL monitoring products are powered from the
RS485 data bus and the Poller E supplies some or all the power
to the bus.

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