20 300544660_002_C1 11/2016 - © Leybold
6 Functions
6.1 Interface Connector
The Interface Connector is used to connect the transmitter to mains power and to the planned display instrument.
It is a standard 15-pin male D-subminiature connector, and its pin assignments are listed in Chapter 4 section 4.2.
The required input power and analog output signal are described in the Chapter 2 under section 2.1 Technical
Data.
6.2 LED Status Indicator
The green LED status indicator has the following stages:
1. No indication Mains power not connected
2. Solid Normal operation, measurement mode
3. Blinking Other mode, error, or over/under-range
6.3 Vacuum Zero Adjustment
The zero pushbutton is used to zero the analog and digital outputs of the transmitter. It can be used for this
function at any pressure less than 20% of the transmitter’s full-scale measurement range. See Chapter 5
Operations under section 5.2 for further detailed information.
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