E-1
1010FMA-46
Errata
Digital Pgen Function and Wiring Procedure Update
ERRATA
NOTE: The following applies to System 1010GN, 1010GCN and 1010GCSN Gas Flowmeter instal-
lation manuals.
Replace the PGEN menu cell description and set up procedure in the Data Span/Set/Cal menu Span Data
option list including any related menu graphics and text throughout the manual with the following:
1010GUDN,1010GCCDN, 1010GCSCDN
(Expanded 1010N-7 I/O Module)
Installation Drawing 1010N-7-7 (Sheet 3 of 3)
(Ultra Performance Flowmeters)
PGEN
The [PGEN P/Unit Volume] menu cell entry controls a digital output pulse function and is available in
Custody Transfer units only (designated by a “C” or “U” in their part number). It allows the assigning of
PGEN digital signal pulses per unit of volume. For example, 1000 output pulses per cubic foot of gas.
The default PGEN value is configured to provide a 5000 Hz output frequency at a flow velocity of 100 ft/
sec (30 meters/sec).
NOTE: The unit of volume is determined by the Volume Units initially selected from the [Total
Volume Units] menu cell option list.
(continued on next page)
PIN# SIGNAL FUNCTION NOTES
9 PG1 PRIMARY FREQUENCY OUTPUT / OPEN COLLECTOR Digitally Synthesized
10 PG2 PRIMARY FREQUENCY OUTPUT / TTL Pulse Waveform
11 PG3 QUADRATURE FREQUENCY OUTPUT / OPEN COLLECTOR
12 PG4 QUADRATURE FREQUENCY OUTPUT / TTL
TB2
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