Rockwell Automation 1794-IV32_OV32 FLEX I/O Digital Sourcing Input and Sinking Output Modules - Manual (Page 3)

FLEX I/O Digital Sourcing Input and Sinking Output Modules 3
Publication 1794-IN122A-EN-P - June 2008
1794-TB32 and -TB32S for 1794-IV32, 1794-OV32
2 and 3-Wire Input Wiring for 1794-IV32
Configure Your Input Module
You configure your input module by setting bits in the configuration word (word 3).
Set the Input Filter Time for the 1794-IV32
To set the input filter time, set the associated bits in the output image
(complementary word) for the module.
Input Filter Times
Configure Your Output Module
You configure your output module by setting bits in the configuration word
(word 3)
Specifications
Table 1 Wiring Connections for 1794-IV32, 1794-OV32
Channel Signal Channel Signal
0 A-0 16 B-17
1 A-1 17 B-18
2 A-2 18 B-19
3 A-3 19 B-20
4 A-4 20 B-21
5 A-5 21 B-22
6 A-6 22 B-23
7 A-7 23 B-24
8 A-8 24 B-25
9 A-9 25 B-26
10 A-10 26 B-27
11 A-11 27 B-28
12 A-12 28 B-29
13 A-13 29 B-30
14 A-14 30 B-31
15 A-15 31 B-32
+V1 dc power (inputs 0...15) Power terminals 35, 37, 39 and 41 for inputs 0...15.
+V1 connected to terminals 35, 37, 39 and 41
COM1 dc Return (inputs 0...15) Common terminals 36, 38, 40 and 42 for inputs 0...15.
V1 Return connected to terminals 36, 38, 40 and 42
+V2 dc power (1) (inputs IN16-IN31) Power terminals 43, 45, 47 and 49 for inputs 16...31.
+V2 connected to terminals 43, 45, 47 and 49
COM2 dc return (inputs IN16-IN31) Common terminals 44, 46, 48 and 50 for inputs 16...31.
V2 Return connected to terminals 44, 46, 48 and 50
(1) 2-wire input devices use signal and return terminals
3-wire devices use signal, return and supply terminals.
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
Read 1 I15 I14 I13 I12 I11 I10 I9 I8 I7 I6 I5 I4 I3 I2 I1 I0
Read 2 I31 I30 I29 I28 I27 I26 I25 I24 I23 I22 I21 I20 I19 I18 I17 I16
Write 1 Not used Input Filter FT
0...31
Not used
Where I = Input
C = Counter value for input 15
FT = Input filter time
CR = Counter Reset
CF = Counter Fast - where 1 = Fast input (raw) data; 0 = Standard input filtered data
NU = Not used
Note: C, CR and CF not available when used with any series 1794-ASB or -ASB2 Remote I/O Adapters.
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
A
(1794-TB32 shown)
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
NC
B
NC
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
Inputs/Outputs - Channels 00-15
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
NC COM1 COM1 COM1 COM1 COM2 COM2 COM2 COM2 NC
C
Inputs/Outputs - Channels 16-31
+V1 +V1 +V1 +V1 +V2 +V2 +V2 +V2
+V1 = Terminals 35, 37, 39 and 41
+V2 = Terminals 43, 45, 47 and 49
COM1 = Terminals 36, 38, 40 and 42
COM2 = Terminals 44, 46, 48 and 50
NC = No connections (terminals 16, 33, 34 and 51)
0 -15
34-51
16-33
A
B
C
2-Wire Device
(Sinking Output)
0 1 0 1
3-Wire Device
(Sinking Output)
0
16
34
Bits Description Selected Filter Time
10 09 08 Filter Time for inputs 00...31 Off to On/On to Off
0 0 0 Filter Time 0 (Default) 0.25ms
0 0 1 Filter Time 1 0.50ms
0 1 0 Filter Time 2 1ms
0 1 1 Filter Time 3 2ms
1 0 0 Filter Time 4 4ms
1 0 1 Filter Time 5 8ms
1 1 0 Filter Time 6 16ms
1 1 1 Filter Time 7 32ms
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
Read 0 Not used
Write 1 O15 014 013 012 011 010 O9 O8 O7 O6 O5 O4 O3 O2 O1 O0
Write 2 O31 O30 O29 028 O27 O26 O25 O24 O23 O22 O21 O20 O19 O18 O17 O16
Where O = Output
Specifications - 1794-IV32 Flex I/O Digital Sourcing Input Module
Specification Description
Number of I/O channels 32 (2 groups of 16), nonisolated within groups, sourcing
Module location Cat. No. 1794-TB32, -TB32S
On-state voltage 19.2V dc minimum
24V dc nominal
31.2V dc maximum
On-state current 2.0 mA minimum
4.1mA nominal @ 24V dc
6.0mA maximum
Off-state voltage 5.0V dc maximum
Off-state current 1.5mA minimum
Input impedance 6.0K ohms maximum
Isolation voltage 50V (continuous), Basic Insulation Type
Type tested at 707V dc for 60 s, between field side and system
No isolation between individual channels
Flexbus current 40mA
Power dissipation 6W maximum @ 31.2V dc
Thermal dissipation Maximum 20.5 BTU/hr @ 31.2V dc
Indicators (field side indication,
customer device driven) 32 yellow status indicators
Input filter time (1)
Off to On
On to Off
(1) Input off-to-on filter time is the time from a valid input signal to recognition by the module.
Input on-to-off filter time is time from the input signal dropping below the valid level to recognition by the module.
0.25ms, 0.5ms, 1ms, 2ms, 4ms, 8ms, 16ms, 32ms
0.25ms, 0.5ms, 1ms, 2ms, 4ms, 8ms, 16ms, 32ms
O:010
11 10 07 06 05 04 03 02 01 00 17 16 15 14 13 12 Octal
09 08 07 06 05 04 03 02 01 00 15 14 13 12 11 10
FT = 00...31
Dec.