Rockwell-automation 1794-IJ2XT FLEX I/O Frequency Input Modules User M Manuale Utente Pagina 34

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Publication 1794-6.5.11 - September 2011
24 Install Your FLEX I/O Frequency Input Module
Resolution and Accuracy
1 Hz or 0.1 Hz (depending on frequency range bit setting), or + accuracy
specification listed below, whichever is greater.
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16
35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
34
3V 6V 24V
Pwr
RET 50
mV
Sel
500/50
mV
3V6V24V
Pwr
RETFF
Channel 0 Frequency Input Channel 1 Frequency Input
Out 1
Ret
Out 1RET G G RET
Channel 0 Gate Input Channel 1 Gate Input
24V DC
Supply In
Sply 0
Gnd
Sply 0
Ret
24V DC
Supply Out
+V COM +V COM
Channel 0 Output Supply Channel 1 Output Supply
6 Chassis Ground
for Shields
Connections for Terminal Base 1794-TB3G shown
Chassis GndChassis Gnd
Out 0
Ret
Out 0
500/50
mV
50
mV
Sel
50
mV
Sel
500/50
mV
500/50
mV
50
mV
Sel
24V
Pwr
24V
Pwr
24V
Pwr
24V
Pwr
Sply 1
Gnd
Sply 1
Ret
+24V DC = Terminals C-34 and C-50
COM = C-35 and C-51
Chassis Ground = Terminals B-16, B-33, C-38, C-40…45, and C-47
NC = No connection
For daisychaining:
Supply in – C-34 (+) and C-35 (-)
Supply out – C-50 (+) and C-51 (-)
45346
Output Alarm Connections
Output Alarm
Connections
Channel 0 Terminals
(1)
Channel 1 Terminals
(1)
Supply
+
Supply
RET
Out + Out
RET
Supply
+
Supply
RET
Out + Out
RET
Supply C-37 C-39 C-46 C-48
Output B-17 B-18 B-31 B-32
(1)
Connect cable shields to GND connections.
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