Control and protection switching gear (CPS): Difference between revisions
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CPS or “starter-controllers” are designed to fulfil control and protection functions simultaneously (overload and short-circuit). In addition, they are designed to carry out control operations in the event of short-circuit.<br>They can also assure additional functions such as insulation, thereby totally fulfilling the function of “motor starter unit”. They comply with standard IEC 60947-6-2, which notably defines the assigned values and utilisation categories of a CPS, as do standards IEC 60947-1 and 60947-4-1.The functions performed by a CPS are combined and coordinated in such a way as to allow for uptime at all currents up to the Ics working short circuit breaking capacity of the CPS. The CPS may or may not consist of one device, but its characteristics are assigned as for a single device. Furthermore, the guarantee of “total” coordination of all the functions ensures the user has a simple choice with optimal protection which is easy to implement.<br>Although presented as a single unit, a CPS can offer identical or greater modularity than the “three product” motor starter unit solution. This is the case with the Schneider Electric “TeSys U” starter-controller (see '''Figure N71'''). | CPS or “starter-controllers” are designed to fulfil control and protection functions simultaneously (overload and short-circuit). In addition, they are designed to carry out control operations in the event of short-circuit.<br>They can also assure additional functions such as insulation, thereby totally fulfilling the function of “motor starter unit”. They comply with standard IEC 60947-6-2, which notably defines the assigned values and utilisation categories of a CPS, as do standards IEC 60947-1 and 60947-4-1.The functions performed by a CPS are combined and coordinated in such a way as to allow for uptime at all currents up to the Ics working short circuit breaking capacity of the CPS. The CPS may or may not consist of one device, but its characteristics are assigned as for a single device. Furthermore, the guarantee of “total” coordination of all the functions ensures the user has a simple choice with optimal protection which is easy to implement.<br>Although presented as a single unit, a CPS can offer identical or greater modularity than the “three product” motor starter unit solution. This is the case with the Schneider Electric “TeSys U” starter-controller (see '''Figure N71'''). | ||
<br>[[Image:FigN71.jpg|none|700px]] | <br>[[Image:FigN71.jpg|none|700px]] | ||
'''''Fig. N71:''' Example of a CPS modularity (TeSys U starter controller by Schneider Electric)'' | '''''Fig. N71:''' Example of a CPS modularity (TeSys U starter controller by Schneider Electric)'' | ||
Additional functionalities can also be installed with regard to: | Additional functionalities can also be installed with regard to: | ||
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*Power: reversing block, current limiter, | *Power: reversing block, current limiter, | ||
*Control: | *Control: | ||
- Function modules, alarms, motor load monitoring, automatic resetting, etc,<br> | |||
- Function modules, alarms, motor load monitoring, automatic resetting, etc,<br> - Communication options such as | - Communication options such as Modbus-RTU (a.k.a. SL),, Profibus-DP, DeviceNet, CAN-Open, AS-I, etc,<br> | ||
- Auxiliary contact modules. | |||
{| cellspacing="1" cellpadding="1" width="65%" border="1" | {| cellspacing="1" cellpadding="1" width="65%" border="1" | ||
|- | |- | ||
| bgcolor="#0099cc" | '''Available functions''' | | bgcolor="#0099cc" | '''Available functions''' | ||
| bgcolor="#0099cc" | '''Standard''' | | bgcolor="#0099cc" | '''Standard''' | ||
| bgcolor="#0099cc" | ''' | | bgcolor="#0099cc" | '''Advanced''' | ||
| bgcolor="#0099cc" | ''' | | bgcolor="#0099cc" | '''Multi-function''' | ||
|- | |- | ||
| Starter status (ready, running, with default) | | Starter status (ready, running, with default) | ||
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|} | |} | ||
{| style="width: | {| style="width: 500px; height: 21px" cellspacing="1" cellpadding="1" border="1" | ||
|- | |- | ||
| bgcolor="#66ccff" | | | bgcolor="#66ccff" | | ||
| Information conveyed by bus | | Information conveyed by bus and functions performed | ||
|} | |} | ||
'''''Fig. N72:''' TeSys U Communication functions'' | '''''Fig. N72:''' TeSys U Communication functions'' | ||
[[zh:控制和保护切换齿轮 (CPS)]] | [[zh:控制和保护切换齿轮 (CPS)]] | ||
Revision as of 08:55, 19 October 2013
CPS or “starter-controllers” are designed to fulfil control and protection functions simultaneously (overload and short-circuit). In addition, they are designed to carry out control operations in the event of short-circuit.
They can also assure additional functions such as insulation, thereby totally fulfilling the function of “motor starter unit”. They comply with standard IEC 60947-6-2, which notably defines the assigned values and utilisation categories of a CPS, as do standards IEC 60947-1 and 60947-4-1.The functions performed by a CPS are combined and coordinated in such a way as to allow for uptime at all currents up to the Ics working short circuit breaking capacity of the CPS. The CPS may or may not consist of one device, but its characteristics are assigned as for a single device. Furthermore, the guarantee of “total” coordination of all the functions ensures the user has a simple choice with optimal protection which is easy to implement.
Although presented as a single unit, a CPS can offer identical or greater modularity than the “three product” motor starter unit solution. This is the case with the Schneider Electric “TeSys U” starter-controller (see Figure N71).
Fig. N71: Example of a CPS modularity (TeSys U starter controller by Schneider Electric)
Additional functionalities can also be installed with regard to:
- Power: reversing block, current limiter,
- Control:
- Function modules, alarms, motor load monitoring, automatic resetting, etc,
- Communication options such as Modbus-RTU (a.k.a. SL),, Profibus-DP, DeviceNet, CAN-Open, AS-I, etc,
- Auxiliary contact modules.
| Available functions | Standard | Advanced | Multi-function |
| Starter status (ready, running, with default) | |||
| Start and Stop controls | |||
| Thermal alarm | |||
| Remote resetting by bus | |||
| Indication of motor load | |||
| Defaults differentiation | |||
| Alarms (overcurrents…) | |||
| Parameter setting and protection function reference | |||
| “Log file” function | |||
| “Monitoring” function |
| Information conveyed by bus and functions performed |
Fig. N72: TeSys U Communication functions
