6270A
Operators Manual
14
PMM Installation
The PMMs are delivered in a separate box. Install the PMMs with the Product
turned on or off. The PMMs can be installed in any order without the need to plug
any of the unused slots. When the front panel is opened, information such as the
pressure range of each module is shown after it is connected. The Product
detects the PMM information when installed and shows the information in the
Modules menu (see Modules).
To install the PMMs:
Caution
To prevent damage to the sensors inside the modules, do not
drop the modules.
1. Remove the PMM from its shipping box.
2. Remove the protective plastic cover from the PMM test and reference port.
3. Confirm that the test port and reference port O-rings are properly installed on
the module and are not torn or damaged. Additional O-rings are located in the
box in case they become lost or damaged.
4. Open the Module Bay as described in the Access the PMMs and PCMs
section.
5. The PMM has a slot on the bottom of it that fits into the track that lies on the
bottom of the inner Product case, see Figure 2 (). Line the track up with the
slot and slide the PMM into the bottom case until it stops. See Figure 3.
6. Turn the knob on the PMM clockwise until it clicks one time to tighten it.
Note
The PMM knob is a torque-limiting knob that slips once the proper
amount of torque is applied. This prevents accidental over-tightening
that can damage the manifold.
7. After tightening the PMM to the manifold, the module should automatically
appear on the display. Check the main display to see if the PMM is properly
installed.
Note
When the Module Bay is opened, the front-panel display shows the
slots and visually displays the PMMs installed. This provides a
method to quickly ensure the newly installed PMM is connected and
communicating.
8. Repeat this procedure for any other PMMs and BRMs.
9. Close and latch the front panel.
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