Emerson Micro Motion 5700 Installation Instructions Manual page 7

December 2015
3) Parameters (continued)
3.5 Sensor circuits for type 5700(C or I)1********; "ib"
3.5.1 Drive circuit; (J2 in J-box, DR+ BRN; DR- RED)
voltage
current; instantaneous
current; steady state
power
internal resistance
for group IIC
max. external capacitance
max. external inductance
max. external induct/resist
for group IIB and IIIC
max. external capacitance
max. external inductance
max. external induct/resist
The maximum external inductance L (sensor coil) can be calculated with the following
term:

L 2
whereby E = 40 μJ for group IIC and E = 160 μJ for group IIB & IIIC will be inserted.
3.5.2 Pick-off circuits (J1 in J-box, LPO+ GRN; LPO- WHT; RPO+ BLU;
RPO- GRY)
voltage
current
power
for group IIC
max. external capacitance
max. external inductance
max. external induct/resist
for group IIB and IIIC
max. external capacitance
max. external inductance
max. external induct/resist
7 of 12
 2
 
Ri Ro
 
 
E

 
1 5 . Uo
5700 ATEX Installation Instructions
Uo DC
Io
Io 0,272
Po
Ri
Co
Lo
Lo/Ro 12,77
Co
Lo 126,6
Lo/Ro
Uo DC
Io
Po
Co
Lo
Lo/Ro
Co
Lo
Lo/Ro
EB-20025742 Rev. AC
10,5 V
1,06 A
A
2,13 W

9,9
F
2,41
H
31,6
H/
F
16,8
H
H/
51,1
17,3 V
6,92 mA
30 mW
353 nF
742 mH
1,19 mH/
F
2,06
2,97 H
4,75 mH/