To program a Hub, go to emx.packetpower.com and access the Open Power Interface (OPI) menu under the Manage tab. 

Reference the following to complete common HUB functions. Click on a specific function for more detailed instructions.

Creating a Template

Create a template

OPI Menu Item: OPI Templates

Steps:

  • Click (+)  to create a template

Required Fields:

Template name:  Friendly template name
Template SYSOID:  Use "234234" for most Modbus applications
Template protocol:  Select Modbus or SNMP

Adding a Node Template

Add node template

OPI Menu Item: OPI Templates

Steps:

  1. Click on hyperlink of Template Nodes to expose Node / Reading templates

  2. Complete all required fields

  3. Click (+) to add node template

Required Fields:

Node Template Name:  Friendly node template name
Node Type:  Select template that closest resembles the device being monitored
Voltage Rating:  Nominal voltage for scaling
Current Rating:  Nominal current for scaling

Adding a Specific Device

Add a specific device

OPI Menu Item: OPI Devices

Steps:

  1. Click (+)  Add Device

  2. Complete all required fields including "Enabled"

Required Fields:

Device IP:  IP address of the device being monitored
Device Name:  Friendly name of the device being monitored
Device Description:  Friendly description of the device being monitored
OPI Template:  Template to be used
HUB Device:  GUID of the HUB being polled
Enabled:  Click to enable the HUB to start polling

Assigning Registers to Node Templates

Assign registers to node template
(for Modbus devices)

OPI Menu Item: OPI Templates

Steps:

  1. Click on hyperlink in "Template Nodes" column

  2. Click on hyperlink in "Readings" column

  3. Complete all required fields

  4. Click (+) to add register to node map

Required Fields:

Channel:  Select the EMX channel that best resembles the matching register
Scale:  Scaling factor to apply to the reading
Offset:  Constant to add to scaled reading
Register value = (Reading x Scale) + Offset
Register:  Device register number (may require adding the mfg's base address if that is not zero)
Byte Mapping:  Register byte type (typically F-ABCD) -- accounts for endianness and byte swapping

Assigning OID Registers to Node Templates

Assign OID registers to node template 
(for SNMP devices)

OPI Menu Item: OPI Templates

Steps:

  1. Click on hyperlink in "Template Nodes" column

  2. Click on hyperlink in "Readings" column

  3. Complete all required fields

  4. Click (+) to add register to node map

Required Fields:

Channel:  Select the EMX channel that best resembles the matching register
Scale:  Scaling or multiple
Offset:  Typically +1 or -1 or 0
OID:  SNMP OID that corresponds to the MIB

Configuring Modbus Settings

Configure device

OPI Menu Item: OPI Devices

Steps:

  1. Click on "Modbus" hyperlink in Device Credentials column

  2. Complete all required fields

Required Fields:

IP Port:  Typically 502 for Modbus
Unit ID:  Modbus device ID (0-255)
Protocol:  Modbus

Configuring SNMP Settings

Configure device

OPI Menu Item: OPI Devices

Steps:

  1. Click on "SNMP" hyperlink in Device Credentials column

  2. Complete all required fields

Required Fields:

SNMP Version:  Select version 1, 2 or 3
Read Community:  Typically "public" unless administrator has changed it
Password:  SNMP device access password

Cloning a Device

Clone a device

OPI Menu Item: OPI Devices

Steps:

  1. Highlight device row and click "Clone"

  2. Complete all required fields

Required Fields:

New Device IP:  IP address of the new device being monitored
Device Name:  Friendly name of the new device being monitored

Viewing Device Readings

View device readings

OPI Menu Item: OPI Readings

Steps:

Required Fields:

Viewing GUIDs Assigned to Devices

View GUID assigned to device

OPI Menu Item: OPI Nodes

Steps:

Required Fields: