GENERAL INFORMATION
In addition to the four fast digital inputs and four relays (two
normally open, two changeover) present in every Excel Smart
I/O, specific models are equipped as follows:
Removable Terminals (XFC1Dxx), 110 Vac (long housing)
•
XFC1D06001: four universal inputs (NTC20k), two
0...10 V analog outputs, built-in transformer, six manual
overrides, ten status LEDs
Removable Terminals (XFC2Dxx), 230 Vac (long housing)
•
XFC2D05001: two universal inputs (PT1000, Ni1000, or
Ni1000TK5000), two 0...10 V analog outputs, built-in
transformer, six manual overrides, ten status LEDs
•
XFC2D06001: four NTC20k universal inputs, two 0...10 V
analog outputs, built-in transformer, six manual overrides,
ten status LEDs
Removable Terminals (XFC3Dxx), 24 Vac (short housing)
•
XFC3D04001: two universal inputs for three-wire PT100
sensors, two 0...20 mA analog outputs, six manual
overrides, ten status LEDs
•
XFC3D05001: two universal inputs (PT1000, Ni1000, or
Ni1000TK5000), two 0...10 V analog outputs, six manual
overrides, ten status LEDs
•
XFC3D06001: four NTC20k universal inputs, two 0...10 V
analog outputs, six manual overrides, ten status LEDs
Fixed Terminals (XFC1Axx), 110 Vac (long housing)
•
XFC1A06001: four universal inputs (NTC20k), two
0...10 V analog outputs, built-in transformer
Fixed Terminals (XFC2Axx), 230 Vac (long housing)
•
XFC2A05001: two universal inputs (PT1000, Ni1000, or
Ni1000TK5000), two 0...10 V analog outputs, built-in
transformer
•
XFC2A06001: four NTC20k universal inputs, two 0...10 V
analog outputs, built-in transformer
Fixed Terminals (XFC3Axx), 24 Vac (short housing)
•
XFC3A04001: two universal inputs for three-wire PT100
sensors, two 0...20 mA analog outputs, short housing
•
XFC3A05001: two universal inputs (PT1000, Ni1000, or
Ni1000TK5000), two 0...10 V analog outputs
•
XFC3A06001: four NTC20k universal inputs, two 0...10 V
analog outputs
The term "universal inputs" refers to analog inputs for tem-
perature-sensor signals which can be configured as voltage-
variable or slow digital inputs (e.g. for dry-contact / open-
collector signals). In the case of the XFC3A04001 and
XFC3D04001, reconfiguration of the two 3-wire PT100 uni-
versal inputs yields four voltage-variable or slow digital
inputs.
® U.S. Registered Trademark
Copyright © 2003 Honeywell Inc.
All Rights Reserved
Excel Smart I/O
XFC1Axx, XFC1Dxx, XFC2Axx,
XFC2Dxx, XFC3Axx, AND XFC3Dxx
INSTALLATION INSTRUCTIONS
Further, the universal inputs and the analog outputs each
feature an extra 24 Vac power output terminal capable of
powering field devices.
BEFORE INSTALLATION
IMPORTANT
It is recommended that the Excel Smart I/O be kept at
room temperature for at least 24 h before applying
power to allow the evaporation of any condensation
resulting from low shipping / storage temperatures.
CAUTION
To avoid electrical shock or equipment damage, you
must turn OFF the power supply before attaching /
removing connections to/from any terminals.
INSTALLATION
Mounting
The Excel Smart I/O is available with either
•
short (W x L x H = 126 x 76 x 110 mm) or
•
long (W x L x H = 180 x 76 x 110 mm)
housings (see Fig. 1) conforming to IP20/30. The mounting
procedures are similar for both sizes.
Fig. 1. Excel Smart I/O housing (side view)
The Excel Smart I/O is suitable for mounting on both a
standard rail (DIN EN 50022-35 x 7,5) for installation in wiring
cabinets or fuse boxes, and on walls/ceilings.
MODULES
EN1B-0180GE51 R0903 / 95-7666-4
7157 580
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