5BChapter Two: Installation
58BStartup
29
Analog Interface Connector
The 9-pin female Type DE-9S interface connector provides the pressure output signal for direct
measurement from the transducer.
Table 10: Analog Interface Connector Pinout
Pin Number
Assignment
1 Pressure
Output
2 Reserved
3 Reserved
4 Reserved
5 Reserved
6 Reserved
7 Reserved
8
Signal Common (Pressure Output Return)
9 Reserved
Note
1.
The 9-pin Type DE-9S analog interface connector is a new style connector,
that differs from those used on other MKS Baratron transducers.
2.
The “Reserved” pin assignment refers to a pin with an internal connection that
may be assigned a function in the future.
3.
The “No Connection” pin assignment refers to a pin with no internal
connection.
Startup
Power-Up
At power-up, the DMA transducer performs communications link checks and internal diagnostic
checks of the EEPROM and RAM. The results of these checks are indicated by the color (green
or red) and condition (solid or flashing) of the status LEDs on top of the unit (Figure 2, page 26).
Refer to
DeviceNet Status LEDs
, page 38, for more information on the status LEDs.
When you apply power to your device, the following LED sequence occurs:
1. The Module Status LED flashes one time from GREEN to RED for approximately 0.25
seconds each and then turns GREEN.
2. The Network Status LED flashes one time from GREEN to RED for approximately 0.25
seconds each and then turns OFF.
3. The Module Status LED flashes from GREEN to RED for approximately 2 seconds while the
device is initializing. The Network Status LED remains OFF.
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