EMERSON Bettis RTS CM64 Modification from 100 to 300 Revolutions
Section 1: Modification of CM64 from max.100 to max. 300 rev./stroke
Requirements
- Dismount actuator from valve
- Bring actuator in a workshop/workbench
- Prepare all tools and required parts
- This application only applies to CM64, not CM32
Modification Procedure
- Open the screws between electric housing and mechanical housing.
NOTE:
Make sure that the display is on top position because mechanical housing is filled with oil.
- Remove the pinion by loosening the worm screw.
- Remove the clipper and replace on the groove below.
- Mount the pinion back on the shaft and secure it with the worm screw.
- Place the washer on the shaft and afterwards put the pinion on it.
- Secure the pinion with a clipper.
- Make sure that this gear is rotating well by turning the handwheel.
- Assemble both housings together, making sure the pinions from the electrical and mechanical housings interlock correctly.
- Parameter configuration
- Go to System parameters P19.1 and enter password (the password is different for each actuator).
- For standard SmartTool License Users, please consult Emerson Sales Team for Smart Key to change the parameters.
Change from 100 to 300 revolutions per stroke
Table 1. P19.10
| Old value | New value |
| 4 | 5 |
| 9 | 10 |
| 12 | 13 |
| 16 | 17 |
Table 2. P19.11
| Old value | New value |
| 0 | 1 |
Change from 300 to 100 revolutions per stroke
Table 3. P19.10
| Old value | New value |
| 5 | 4 |
| 10 | 9 |
| 13 | 12 |
| 17 | 16 |
Table 4. P19.11
| Old value | New value |
| 1 | 0 |
Parameter P19.10 actuator type references
Table 5. P19.10
| 4 | CM06 up 100U BLDC 9.3 |
| 5 | CM06 more than 100U BLDC 9.3 |
| 9 | CM06 up 100U BLDC 8.3 |
| 10 | CM06 more than 100U BLDC 8.3 |
| 12 | CM06 24V up 100U BLDC 9.1 |
| 13 | CM06 24V more than 100U BLDC 9.1 |
| 16 | CM06 up 100U BLDC 10.3 |
| 17 | CM06 more than 100U BLDC 10.3 |
Set end limits.
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