Endress+Hauser Topclean S CPC30, Operating Instructions Manual

Page: 27 / 178

Topclean S 4 Wiring and pneumatic connection of Topclean S
Hauser 27
To connect Mycom relays
Mycom S CPM153 has one alarm contact and five additional contacts. Via these five contacts, you
can control controller, limit contactor, water and cleaning agent supply for the Chemoclean
function. To configure the additional contacts, select "Setup 1 > Relays", see page 61.
1. Connect the alarm contact to terminals "41" and "42".
2. Connect the additional contacts as follows:
The function assignment (controller, limit contactor, etc.) to each relay depends on your
configuration.
When using the NAMUR assignment, for example, functions of the alarm relay and the first
two additional relays are preset (see NAMUR assignment below). Without NAMUR
assignment, you can assign any function to all five additional relays.
!
Note!
• You can assign up to three relays to the controller.
• You can switch the contact type "Active open" / "Active closed" via software.
NAMUR assignment
If you are using the NAMUR assignment (acc. to recommendations of the association for processs
control engineering of the chemical and pharmaceutical industry), the contacts are set to the relays
as follows:
Function check assignment
Function check acc. to NAMUR is active when:
• The sensor is calibrated
• The assembly is in service position.
• Mycom is configured.
• A Topclean cleaning programme is running.
• A Chemoclean programme is running.
• An error occurs which triggers the function check (assignment see error list page 125).
Relay CPG30 terminal
Relay 1 Terminals 47 and 48
Relay 2 Terminals 57 and 58
Relay 3 Terminals 51 and 52
Relay 4 Terminals 54 and 55
Relay 5 Terminals 44 and 45
Relays NAMUR on Terminal
ALARM Failure
RELAY 1 Maintenance required
RELAY 2 Function check