Operation
Ex p control unit
Motor Purge Controller
Page 54 of 96
01-37A2-7D0003_Operating instructions_MPC_20210923_0_en.docx
Rev. 0
7.12
Read out data containers
Querying of data for the control room is done via a web browser or an appropriate
software tool to be provided by the customer, which is able to send an HTML GET
message equivalent to a browser query via the network to the APEX device.
The data format returned by the device is JSON
(see https://de.wikipedia.org/wiki/JavaScript_Object_Notation)
Query:
The data for the control room can
be retrieved via the URL:
http://<ip-addr>/info_operator.json
e.g. http://192.169.1.101/info_operator.json
The username/password must be
entered.
User name: “operator”
Password: “operator”
Response from the control unit:
{"szFileName":"info_operator.json","_0x0401":49,"_0x0101":1,"_0x0402":65, "_0x0403":150,"
_0x1001":300," _0x0201":1,"_0x0501":2000,"_0x0502":1500, "_0x1312":0,"_0x132A":0,"_0x0602":0}
Code table:
Key/ID
Parameter
Unit
_0x0401
Operating pressure po (setpoint)
Pa
_0x0101
Operating pressure po (actual value)
Pa
_0x0402
Minimum pressure (switch-off value)
Pa
_0x0403
Pre-alarm (switching value)
Pa
_0x1001
Purging pressure p3 (setpoint)
Pa
_0x0201
Purging pressure p3 (actual value)
Pa
_0x0501
Maximum pressure, operation p4 (switching value)
Pa
_0x0502
Maximum pressure, purging p5 (switching value)
Pa
_0x1312
Pressure sensor A pa (actual value)
Pa
_0x132A
Pressure sensor B pb (actual value)
Pa
_0x0602
Purging time
Seconds
