Siemens SITRANS FUS1010 NEMA-4X/ IP 65 manual AUX Io, Meter Menu Display

Manual Addendum 1010FMA-14

1010N-2 I/O Module

The conventional 1010N-2 I/O module provides the following:

zTwo self-powered, isolated 4-20 mA current loops (signals Io1 and Io2) that are assignable and spannable by the user to many flowmeter variables such as flow, sonic velocity, signal strength, etc. These self-powered outputs also provide an industry-standard fault indication by dropping to 2 mA if assigned to flow rate and under fault conditions. Note that these outputs, though isolated from the system, are NOT isolated from each other.

zTwo 0-10 Vdc outputs (signals Vo1 and Vo2) that are also assignable and spannable by the user as above. These are also self-powered, but are not isolated from the system.

zTwo 0-5000 Hz Pgen signals (Pgen1 and Pgen2) also assignable and spannable by the user. These are TTL level pulses.

The 1010N/DN class of meters has a total of six analog outputs as indicated above. In addition (refer to Installation Drawings 1010N-2-7 and 1010N-7-7):

zAlarms/Status/Totalizer pulses are generally presented as relay closures as either Mercury Wetted Form 1A or Dry Reed Form C relays.

zAnalog inputs, when provided, are in the form of 4-20 mA non-isolated inputs.

zThe meter also has four non-isolated totalizer command lines providing Totalizer Clear and Totalizer Hold (NoTot) functionality.

1010N-7 Expanded I/O Module Option

The Expanded I/O Module Option provides all of the above plus the following outputs:

zThe four signals that drive the pulse generator outputs (Pgen 1 and Pgen2) and voltage outputs (Vo1 and Vo2) of the meter create four current outputs: Aux Io1, Aux Io2, Aux Io3 and Aux Io4 (see diagram on next page).

zBy spanning and assigning a system variable to 0-10 volt (Vo1 and Vo2) or 0-5000 Hz pulse output (Pgen1 and Pgen2) the module simultaneously outputs these signals to the Expanded I/O Module Option Aux outputs. For a 2-Channel meter the programming assignments are as follows:

TYPICAL 2-CHANNEL METER EXPANDED I/O OPTION CONNECTIONS

CHANNEL	SIGNAL	AUX Io	METER MENU DISPLAY
CH1	Pgen1	Io1	Vo1
	Vo1	Io3	Pgen1
CH2	Pgen2	Io2	Vo1
	Vo2	Io4	Pgen1

zNote that the four Aux Io outputs are externally powered.

2 May 2002