Endress+Hauser Proline Promag H 500, Руководство по эксплуатации

Страница: 93 / 240

Proline Promag H 500 PROFIBUS DP System integration
Hauser 93
makes the same input and output data and measured value status information available
for cyclic data exchange.
Automatic identification is set in the
Ident number selector parameter using the
Automatic mode option (factory setting).
9.3.2 Manual setting
The manual setting is made in the Ident number selector parameter via the Promag 50
(0x1546) option or Promag 53 (0x1526) option.
Afterwards the Promag 500 PROFIBUS DP makes the same input and output data and
measured value status information →  169 available for cyclic data exchange.
• If the Promag 500 PROFIBUS DP is acyclically configured via an operating program
(Class 2 master), access is directly via the block structure or the parameters of the
measuring device.
• If parameters have been changed in the device to be replaced (Promag 50 PROFIBUS DP
oder Promag 53 PROFIBUS DP) (parameter setting no longer corresponds to the original
factory setting), these parameters must be changed accordingly in the new Promag 500
PROFIBUS DP being used via an operating program (Class 2 master).
Example
The assignment setting for low flow cut off has been changed from mass flow (factory
setting) to corrected volume flow in a Promag 50 PROFIBUS DP currently in operation.
This device is now replaced by a Promag 500 PROFIBUS DP.
After replacing the device, the assignment for the low flow cut off must also be changed
manually in the Promag 500 PROFIBUS DP, i.e. to corrected volume flow, to ensure the
measuring device behaves identically.
9.3.3 Replacing the measuring devices without changing the GSD
file or restarting the controller
In the procedure described below, the device can be replaced without interrupting ongoing
operation or restarting the controller. However with this procedure the measuring device is
not fully integrated!
1. Replace the measuring device Promag 50 PROFIBUS DP or Promag 53 PROFIBUS DP
by the Promag 500 PROFIBUS DP.
2. Set the device address: The same device address that was set for Promag 50 or
Promag 53 PROFIBUS DP and is configured in the automation system must be used.
3. Connect the measuring device Promag 500 PROFIBUS DP.
If the factory setting had been changed on the replaced device (Promag 50 PROFIBUS DP
or Promag 53 PROFIBUS DP), the following settings may need to be changed:
1. Configuration of the application-specific parameters.
2. Choice of process variables to be transmitted via the
Channel parameter in the
Analog Input or Totalizer function block.
3. Setting of the units for the process variables.