Topics covered in this article

• Prerequisites
• Setting the OPC-UA option
• Configuring the OPC-UA option
• MachineMetrics sample script file

Prerequisites

• SINUMERIK Operate is a requirement for OPC UA server.
• The OPC UA license (6FC5800-0AP67-0YBO) is also a requirement and may need to be installed by a service technician.
• The HMI time needs to be checked and set.

Compatibility of OPC UA server version and CNC software versions

Setting the OPC-UA option

• Go to Startup
• Press Licenses softkey
• Go to Access MyMachine / OPC UA and check the box under Set as shown below

Photo credit:  Siemen's Configuration Manual, 08/2019, 6FC5397-1DP41-0BA3

Configuring the OPC-UA option

• Go to Startup
• Press Network softkey
• Press OPC UA softkey
• Press Setting softkey
• Press Change softkey
• Make required changes to Connection, Authentication, Activation.
  • • Note:  Port setting of 4840

Photo credit:  Siemen's Configuration Manual, 08/2019, 6FC5397-1DP41-0BA3

• Choose OK and you will see a safety note appear regarding an open port in the firewall.

Photo credit:  Siemen's Configuration Manual, 08/2019, 6FC5397-1DP41-0BA3

MachineMetrics sample script file

• Snippet of our adapter script file for OPC-UA and the associated namespace tags.

version: 2
endpoint: #Enter OPC-UA Endpoint Here
username: #Enter Username Here
password: #Enter Password Here
tags:
  tool-group:
    path: ns=2;s=/Channel/State/actToolIdent
  tool-num:
    path: ns=2;s=/Channel/State/actTNumber
  line-number:
    path: ns=2;s=/Channel/ProgramInfo/actLineNumber
  load:
    path: ns=2;s=/Nck/Spindle/driveLoad
  prog-status:
    path: ns=2;s=/Channel/State/progStatus
  controller-op-mode:
    path: ns=2;s=/Bag/State/opMode
  op-mode:
    path: ns=2;s=/Nck/Spindle/opMode
  position:
    path: ns=2;s=/Nck/Spindle/psModePos
  speed:
    path: ns=2;s=/Nck/LogicalSpindle/actSpeed
  last-alarm-number:
    path: ns=2;s=/Nck/LastAlarm/alarmNo
  feed-rate:
    path: ns=2;s=/Channel/MachineAxis/actFeedRate
  prog-name:
    path: ns=2;s=/Channel/ProgramInfo/progName
  act-parts:
    path: ns=2;s=/Channel/State/actParts
  spindle-turn-state:
    path: ns=2;s=/Nck/Spindle/turnState
  total-parts:
    path: ns=2;s=/Random@NCU_1/Plc/DB165.DBD50
data-items:
  spindle-speed:
    value: speed
  spindle-load:
    value: load
  spindle-op-mode:
    value: op-mode
  spindle-position:
    value: position
  axis-feed-rate:
    value: feed-rate
  last-alarm-code:
    value: last-alarm-number
  line:
    value: line-number
  tool-group:
    value: tool-group
  tool-number:
    value: tool-num
  program-name:
    value: prog-name
  partcount:
    value: act-parts
  execution:
    value:
      INTERRUPTED: prog-status == 1
      STOPPED: prog-status == 2 or prog-status == 5
      ACTIVE: prog-status == 3 or prog-status == 4
      READY: true 
  controller-mode:
    value:
      MANUAL: controller-op-mode == 0
      MANUAL_DATA_INPUT: controller-op-mode == 1
      AUTOMATIC: controller-op-mode == 2
  spindle-rotating:
    value:
      ON: spindle-turn-state == 0 or spindle-turn-state == 1
      OFF: spindle-turn-state == 2
  total_parts:
    value: total-parts

Have Questions? 

Reach out to our team at Support@machinmetrics.com.