Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual - Manual (Page 74)

Publication 1797-6.5.6 - June 2005
13-2 1797-IJ2 FLEX Ex Frequency Input Module
Wiring to a 1797-TB3 or
-TB3S Terminal Base Unit Connect wiring to the terminal base as shown below.
Intrinsically Safe
Specifications For a full list of specifications, refer to FLEX Ex Frequency Input Module
Installation Instructions, publication 1797-5.7.
Row A
Row B
Row C
+V -V
42334
3V V+
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
6V GND 50
mV
Sel
N 500/50
mV
8V 8V N GND 6V V+ 3V
R0 NO R0 NC
-V
No connection allowed to terminals 19, 30, 36, 38, 39, 47, 48, 49
+V R0 COM R1 COM
50
mV
Sel
500/50
mV
Channel 0 Frequency Input Channel 1 Frequency Input
GND
GND 50
mV
Sel
N 500/50
mV
8V 8V N 50
mV
Sel
500/50
mV
GND R1 NO R1 NC
Channel 0 Gate Input Channel 1 Gate Input
ATTENTION
Do not use any unused terminals on this terminal base unit.
Using these terminals as supporting terminals can result in
damage to the module and/or unintended operation of
your system.
Output (intrinsically safe)
(16 position male/female flexbus
connector)
U
o
< 5.8V
I
o
< 400mA
Li = Negligible
Ci < 2.64
µF
Power Supply
(+V, -V Intrinsically Safe)
U
i
< 9.5V dc
I
i
< 1A
L
i
= Negligible
C
i
= Negligible
Operating Temperature -20 to +70 o C (-4 to +158 o F)
Agency Certification II (1) 2G EEx ia/ib IIB/IIC T4
II (1D) (2D)
Certificates DMT 98 ATEX E 033 X