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Reference, Installation, and Operations Manual Section 2: Product overview
3-9000-743 Rev S June 2013
Status Indicators 33
Series 100 Plus Option Board General Status Indicators
As shown in Figure 2-19, the Series 100 Plus Option Board provides nine general status
indicators as summarized in Ta bl e 2- 8.
Figure 2-19 Series 100 Plus Option Board General Status LED Indicators
Option Board Communication Status Indicators
The Option Board includes LEDs to indicate the serial Port C receive and transmit
statuses (see Figure 2-20). These indicators are summarized in Ta ble 2 -9 .
Figure 2-20 Mark III Option Board Communication Status LED Indicators
Table 2-8 Series 100 Plus Option Board General Status Indicators
Label Description Color Indicator
+24V Indicates that the 24V supply is OK (Power On) Green
24V CURR LIMIT Indicates that the 24V source is current limited (approx. 85 mA) Red
TX HART® In - Pressure transmit data active Green
RX HART® In - Pressure receive data active Green
TX HART® In - temperature transmit data active Green
RX HART® In - temperature receive data active Green
TX HART® Out - (AO2) transmit data active Green
RX HART® Out - (AO2) receive data active Green
3.3V Indicates that the 3.3V supply is OK (Power On) Green
Table 2-9 Option Board Communication Status Indicators
Label Description Color Activity Indication No Activity Indication
PORT C RX Port C receive status Green LED On Blinking LED Off
PORT C TX Port C transmit status Green LED On Blinking LED Off