Specifications, Input specifications – Rockwell Automation 1794-OE4K/B FLEX I/O Input, Output and Input/Output Analog Manuel d'utilisation
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Publication 1794-IN100B-EN-P - June 2004
Input Map (Read) - 1794-IE8, -IE8K
Output Map (Write) - 1794-IE8, -IE8K
Input Map (Read) - 1794-IE4XOE2
Output Map (Write) - 1794-IE4XOE2
Range Selection Bits - 1794-IE8, -IE8K and -IE4XOE2
Input Map (Read) - 1794-OE4, -OE4K
Output Map (Write) - 1794-OE4, -OE4K
Range Selection Bits - 1794-OE4, -OE4K
Specifications
Dec.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Oct.
17
16
15
14
13
12
11
10
7
6
5
4
3
2
1
0
Word 0
S
Analog Input Value for Channel 0
Word 1
S
Analog Input Value for Channel 1
Word 2
S
Analog Input Value for Channel 2
Word 3
S
Analog Input Value for Channel 3
Word 4
S
Analog Input Value for Channel 4
Word 5
S
Analog Input Value for Channel 5
Word 6
S
Analog Input Value for Channel 6
Word 7
S
Analog Input Value for Channel 7
Word 8
PU
Not used - set to zero
U
7
U
6
U
5
U
4
U
3
U
2
U
1
U
0
Where :PU = Power up inconfigured
S = Sign bit (in 2’s complement)
U = Underrange for specified channel
Dec.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Oct.
17
16
15
14
13
12
11
10
7
6
5
4
3
2
1
0
Word 3
C
7
C
6
C
5
C
4
C
3
C
2
C
1
C
0
F
7
F
6
F
5
F
4
F
3
F
2
F
1
F
0
Where :
C = Configure select bit
F = Full range bit
Dec.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Oct.
17
16
15
14
13
12
11
10
7
6
5
4
3
2
1
0
Word 0
S
Analog Input Value for Channel 0
Word 1
S
Analog Input Value for Channel 1
Word 2
S
Analog Input Value for Channel 2
Word 3
S
Analog Input Value for Channel 3
Word 4
P
U
Not used - set to zero
W
1
W
0
U
3
U
2
U
1
U
0
Where :PU = Power up inconfigured
S = Sign bit (in 2’s complement)
W1 and W0 = Diagnostic bits for current output. Wire off current loop status for output channels 0 and 1
U = Underrange for specified channel
Dec.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Oct.
17
16
15
14
13
12
11
10
7
6
5
4
3
2
1
0
Word 0
S
Analog Output Data - Channel 0
Word 1
S
Analog Output Data - Channel 1
Word 2
Not used - set to 0
M
1
M
0
Word 3
0
0
C
5
C
4
C
3
C
2
C
1
C0
0
0
F5
F4
F3
F
2
F
1
F
0
Words 4 and 5
Not used - set to 0
Word 6
Safe State Value for Channel 0
Word 7
Safe State Value for Channel 1
Where :
PU = Power up inconfigured
FP = Field power off
CF = In configuration mode
BD = Bad calibration
DN = Calibration accepted
W1 and W0 = Wire off current loop status for output channels 0 and 1
U = Underrange for specified channel
V = Overrange for specified channel
P0 and P1 = Outputs holding in response to Q0 and Q1
1794-IE8
In Ch. 0
In Ch. 1
In Ch. 2
In Ch. 3
In Ch. 4
In Ch. 5
In Ch. 6
In Ch. 7
1794-
IE4XOE2
In Ch. 0
In Ch.1
In Ch. 2
In Ch. 3
Out Ch. 0
Out Ch. 1
F0
C0
F1
C1
F2
C2
F3
C3
F4
C4
F5
C5
F6
C6
F7
C7
Dec.
Bits
00
08
01
09
02
10
03
11
04
12
05
13
06
14
07
15
0-10V
dc/
0-20mA
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
4-20mA
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
-10 to
+10V dc
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
OFF
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Where: C = Configure Select Bit
F = Full range
1 When configured to Off, individual input channels will return 0000H; output channels will drive 0V/0mA.
Dec.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Oct.
17
16
15
14
13
12
11
10
7
6
5
4
3
2
1
0
Word 0
P
U
Not used - set to 0
W
3
W
2
W
1
W
0
Where : PU = Power up bit
W thru W3 = Wire off current loop status for output channels
Dec.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Oct.
17
16
15
14
13
12
11
10
7
6
5
4
3
2
1
0
Word 0
S
Output Data Channel 0
Word 1
S
Output Data Channel 1
Word 2
S
Output Data Channel 2
Word 3
S
Output Data Channel 3
Word 4
Not used - set to 0
M
3
M
2
M
1
M
0
Word 5
Not used - set to 0
C3
C2
C1
C0
Not used - set to 0
F
3
F
2
F
1
F
0
Word 6-9
Not used - set to 0
Word 10
S
Safe state value for Channel 0
Word 11
S
Safe state value for Channel 1
Word 12
S
Safe state value for Channel 2
Word 13
S
Safe state value for Channel 3
Where :
S = Sign bit (in 2’s complement)
M = Multiplex control bit
C = Configure select bit
F = Full range bit
Channel No.
In Ch. 0
In Ch.1
In Ch. 2
In Ch. 3
F0
C0
F1
C1
F2
C2
F3
C3
Dec. Bits
00
08
01
09
02
10
03
11
0-10V dc/
0-20mA
1
0
1
0
1
0
1
0
4-20mA
0
1
0
1
0
1
0
1
-10 to +10V dc
1
1
1
1
1
1
1
1
OFF
1
0
0
0
0
0
0
0
0
Where: C = Configure Select Bit
F = Full range
1 When configured to Off, individual output channels will drive 0V/0mA.
Input Specifications
Number of Inputs
1794-IE8, -IE8K - 8 single-ended, nonisolated
1794-IE4XOE2 - 4 single-ended nonisolated
Resolution
Voltage
Current
12 bits unipolar; 11 bits plus sign bipolar
2.56mV/cnt unipolar; 5.13mV/cnt bipolar
5.13
μA/cnt
Data Format
left justified, 16 bit 2s complement
Conversion Type
successive approximation
Conversion Rate
256
μs all channels
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 @ 9Hz; -20db/decade
-15.3db @ 50Hz;-16.8db @ 60Hz
Step Response to 63% -
Voltage Terminal - 9.4ms
Current Terminal - 18.2ms
Input Impedance
Voltage Terminal - 100k ohms
Current Terminal - 238 ohms
Input Resistance Voltage
Voltage Terminal - 200k ohms
Current Terminal - 238 ohms
Absolute Accuracy
1
0.20% Full Scale @ 25°C
Accuracy Drift with
Temperature
Voltage Terminal - 0.00428% Full Scale/°C
Current Terminal - 0.00407% Full Scale/°C
Calibration Required
None required
Maximum Overload
30V continuous or 32mA continuous, one channel at a time.
Indicators
1 green power indicator