Rockwell Automation 1797-IRT8 FLEX Ex Thermocouple/RTD Module - Manual (Page 22)

22 FLEX Ex Thermocouple/RTD Input Module
Publication 1797-5.4 - June 2010
Entity Parameters
CE/CENELEC I/O Entity Parameters
Input circuits (+ to -) for ch0 to ch7 (terminals: 0 to 3, 4 to 7; 8 to 11,
12 to 15, 17 to 20, 21 to 24, 25 to 28, 29 to 32)
CJC circuits (+ to -) for CJC0 and CJC1 (terminals: 37, 39, 46, and 48)
Input circuits (+ to -) for ch0 to ch7 and CJC circuits (+ to -) for CJC0 and
CJC1 (terminals 0 to 3, 37, 39; 4 to 7, 37, 39; 8 to 11, 37, 39; 12 to 15, 37, 39;
17 to 20, 37, 39; 21 to 24, 37, 39; 25 to 28, 37, 39; 29 to 32, 37, 39; 0-3, 46, 48;
4 to 7, 46, 48; 8 to 11, 46, 48; 12 to 15, 46, 48; 17 to 20, 46, 48; 21 to 14, 46,
48; 25 to 28, 46, 48; 29 to 32, 46, 48)
Protection Group Allowed
Capacitance
Allowed
Inductance
L
o
/R
o
Ratio
U
o
= 9V
I
o
= 37 mA
P
o
= 83 mW
Ex ia IIB 40 F 80 mH 1.7 mH/ 
Ex ia IIC 4.9
F
20 mH 0.4 mH/

Protection Group Allowed
Capacitance
Allowed
Inductance
L
o
/R
o
Ratio
U
o
= 9V
I
o
= 1 mA
P
o
= 3 mW
Ex ia IIB 40
F
1 H 63 mH/

Ex ia IIC 4.9
F
1 H 15 mH/

Protection Group Allowed
Capacitance
Allowed
Inductance
L
o
/R
o
Ratio
U
o
= 9V
I
o
= 38 mA
P
o
= 86 mW
Ex ia IIB 40
F
80 mH 1.7 mH/

Ex ia IIC 4.9 F 20 mH 0.4 mH/ 