Technical data

Publication 1794-2.1 - January 2000
92 24V dc Selectable Analog 4 Input Module Cat. No. 1793-IE4 and -IE4S FLEX I/O and FLEX Integra Product Data
Wiring
Channel Signal Type Label
Markings
Input
Terminal
Common
Terminal
0 Current I A-2 A-1
Voltage V A-3
1 Current I A-4 A-6
Voltage V A-5
2 Current I B-10 B-9
Voltage V B-11
3 Current I B-12 B-14
Voltage V B-13
24V dc Terminals 8 and 15 are internally connected together in the module
24V dc common Terminals 0, 1, 6, 7, 9 and 14 are internally connected together in the module
Specifications - 1793-IE4 and -IE4S
Module Type 4 analog inputs
1793-IE4 - 16 screw-cage terminals
1793-IE4S - 16 spring-clamp terminals
Module Location DIN rail mounting
Number of Channels 4
Data Format 16-bit 2’s complement, left-justified
Conversion Type Successive approximation
Conversion Rate 256µs all channels
Resolution
Voltage
Current
12-bits - unipolar; 11-bit plus sign - bipolar
2.56mV/cnt unipolar; 5.13mV/cnt bipolar
5.13µA/cnt
Input Current Terminal 4-20mA (user configurable)
0-20mA (user configurable)
Input Voltage Terminal +
10V (user configurable)
0-10V (user configurable)
Normal Mode Rejection Ratio
Voltage Terminal
Current Terminal
-3db @ 17Hz; -20db/decade
-10db @ 50Hz; -11.4db @ 60Hz
-3db @ 17Hz; -20db/decade
-15.3db @ 50Hz; -16.8db @ 60Hz
Step Response to 63%
Voltage Terminal
Current Terminal
9.4ms
18.2ms
01234567
8 9 10 11
A
B
13 14 1512
CC
C
C
VV
C
C
I1I0 V0 V1
I3I2 V2 V3
Ch 0 Ch 1
Ch 2 Ch 3
0 1234567
8 9 10 11 12 13 14 15
A
B
CC
VVCC
V1 V2I2I1
V3 V4I4I3
CC
Ch 0 Ch 1
Ch 2 Ch 3
1793-IE4S1793-IE4
Where: V = 24V dc; C = 24V dc common; In = current in; Vn = voltage in
41470
41471
Specifications - 1793-IE4 and -IE4S (continued)
Impedance
Voltage Terminal
Current Terminal
100K Ω; 200K Ω @ dc
238Ω
Absolute Accuracy
Voltage Terminal
Current Terminal
0.20% FS @ 25
o
C
0.20% FS @ 25
o
C
Accuracy Drift
Voltage Terminal
Current Terminal
0.00428% FS per
o
C
0.00407% FS per
o
C
Maximum Overload
Voltage Terminal
Current Terminal
Single channel, continuous
30V
32mA
Dielectric Withstand Test Channel to system - 850V dc for 1s
Channel to channel - None
Flexbus Current 20mA maximum
Power Dissipation 1.0W @ 31.2V dc
Thermal Dissipation 3.4 BTU/hr @ 31.2V dc
Indicators 1 green power indicators
External dc PowerVoltage
Current
19.2-31.2V dc (5% ac ripple)
60mA maximum
Dimensions (HxWxD) 69mm x 55mm x 80mm
(2.72in x 2.17in x 3.15in)
Environmental Conditions
Operational Temperature
Storage Temperature
Relative Humidity
Shock Operating
Nonoperating
Vibration
0 to +55
o
C (32 to +131
o
F)
-40 to +85
o
C (-40 to +185
o
F)
5 to 95% noncondensing
Tested to 30g peak acceleration, 11(+1)ms pulse
width
Tested to 50g peak acceleration, 11(+1)ms pulse
width
Tested 5g @ 10-500Hz per IEC68-2-6
ConductorsWire Size
Category
1
12 gauge (4mm
2
) stranded wire
3/64 in (1.2mm) maximum insulation, 90
o
C min.
temperature rating
2
Terminal Screw Torque 4-7 inch-pounds
Publications
Installation Instructions 1793-5.4
Agency Certification
1 Use this category information for planning conductor routing as described in publication
1770-4.1, “Wiring and Grounding Guidelines for Noise Immunity.”