Sending PMS messages

At a Glance

It is possible to send the list of PMS requests to some devices. If the selected device does not support PMS messaging, the request is not authorized and the Request to send window is disabled.

The available requests are:

Identification: this is used to identify the remote device,
Read: this is used to read data from the remote device,
Start: this is used to start the remote device,
Status: this is used to read the status of the remote device,
Stop: this is used to stop the remote device,
Write: this is used to write data from the remote device.

How to send an Identification or Status request

The procedure for sending a PMS request is as follows.

Step	Action
1	Select a remote device from the INTERBUS configuration list. Note: the PCP channel number of the device (between 2 and 63) is displayed.
2	Select the request to be sent from the following drop-down menu.
3	Select the Auto box if you wish to send the request periodically. To stop this service, deselect the box. Note: this box is only available for the Identification and Status request.
4	Press the Send button to confirm sending the request. Result: The response appears in the Response received window. The response can be displayed in hexadecimal or in ASCII.

How to send a Read, Start, Stop, Write request

The procedure for sending a PMS request is as follows.

Step	Action
1	Select a remote device from the INTERBUS configuration list. Note: the PCP channel number of the device (between 2 and 63) is displayed.
2	Select the request to be sent from the following drop-down menu.
3	Press the Send button to confirm sending the request. Result: The following window appears.
4	Enter the request index (Index (hx.) according to the profile of the destination device in hexadecimal. Note: to complete this parameter, refer to the device documentation specific to the device.
5	Enter the sub-index of the request (Sub-Index (hx.) according to the profile of the destination device in hexadecimal. Note: to complete this parameter, refer to the device documentation specific to the device.
6	Enter the request data (Data) to be sent by encoding all the data in hexadecimal. The data are entered continuously without any spaces between them. When the data is encoded in a word, the most significant bytes and the least significant bytes are reversed.
7	Press the Send button to confirm sending the request. Result: The response appears in the Response received window. The response can be displayed in hexadecimal or in ASCII.