NotaTech 8000SeriesI/O - Manual (Page 16)

6
Contact:
®
NovaTech Process Solutions, LLC
11500 Cronridge Dr., Suite 110
Owings Mills, MD 21117 T: 410.753.8300
Toll Free: 800.253.3842
www.novatechweb.com
. 8 single-ended outputs
. 4–20 mA
. For I/P converters and remote indicators, etc
. Open circuit detection is provided on each channel
. 24 V dc bussed field power required
Module Specifications
Outputs
Number of channels ...............................................8, single-ended
Nominal signal range (span) ..........................................4 to 20 mA
Full signal output range ..................................................1 to 23 mA
Open loop detection threshold ...............................0.7 ± 0.25 mA
Output compliance
...................................20 mA at 21.6 V dc supply (into 700 Ω load)
Accuracy (over temp range) .................................± 0.25% of span
Output ripple............................................................< 0.02% of span
Resolution ..................................................................................12 bits
Isolation
any channel to Railbus ....................................................100 V ac
Configurable Parameters
Initialization state..................................................predefined value
Drive on fail-safe ..............................predefined value / last value
Channel status..........................................................active / inactive
Response time
From Railbus command to output change ............25 ms (max.)
Safety
FM non-incendive field wiring parameters (each channel)
..................V
oc
= 28.7 V; I
sc
= 33 mA; C
a
= 0.17 μF; L
a
= 11.0 mH
Power Supplies
Railbus (12V) current ..................................................100 mA (typ.)
.........................................................................................150 mA (max.)
Bussed Field Power......................300 mA (max.) @ 24 V dc ±10%
Quiescent current .....................................................................60 mA
NT
-8104-AO-IP
Image Description
8-channel Analog Output
4–20 mA
Mechanical
Module Key Code .............................................................................A4
Module width ............................................................................42 mm
Weight............................................................................................200 g
Field Terminals
Field Wiring Recommended
Field Terminal
Compatible
Field Terminal
General Purpose NT-8602-FT-ST
Standard
NT-8604-FT-FU
Fused
Class 1, Div 2
or Zone 2 hazard-
ous area
NT-8601-FT-NI
Non-incendive
NT-8603-FT-FU
Non-incendive
Fused
NovaTech 8000 Series I/O Family
Copyright © 2007 NovaTech, LLC. All rights reserved. All trademarks
are properties of their respective owners. NovaTech is a registered
trademark of NovaTech, LLC. The information in this literature is
subject to change without notice and is not to be construed as a
warranty. DS_8104_0607