Emerson Process Management 644H Marine Instruments User Manual


 
May 2014
22
Quick Start Guide
I3 China Intrinsic Safety
Certificate: GYJ111384X
Standards Used: GB3836.1-2000, GB3836.4-2000
Markings: Ex ia IIC T4/T5/T6
Special Conditions for Safe Use (X):
1. The ambient temperature range is:
When Options do not select Enhance Performance
When Options select Enhanced Performance
2. Parameters:
When Options do not select Enhanced Performance
Terminals of power supply (+, -)
Terminals of sensor (1,2,3,4)
Transmitter output Maximum input power: (W) T code Ambient temperature
A
0.67 T6 -60 °C T
a
+40 °C
0.67 T5 -60 °C T
a
+50 °C
1 T5 -60 °C T
a
+40 °C
1 T4 -60 °C T
a
+80 °C
F or W
1.3 T4 -50 °C T
a
+60 °C
5.32 T4 -50 °C T
a
+60 °C
Maximum input power: (W) T code Ambient temperature
0.67 T6 -60 °C T
a
+40 °C
0.67 T5 -60 °C T
a
+50 °C
0.80 T5 -60 °C T
a
+40 °C
0.80 T4 -60 °C T
a
+80 °C
Transmitter
output
Maximum input
voltage:
U
i
(V)
Maximum input
current:
I
i
(mA)
Maximum input
power:
P
i
(W)
Maximum internal
parameters:
C
i
(nF) L
i
(mH)
A 30 200 0.67/1 10 0
F, W 30 300 1.3 2.1 0
F,W (FISCO) 17.5 380 5.32 2.1 0
Transmitter
output
Maximum output
voltage:
U
o
(V)
Maximum
output current:
I
o
(mA)
Maximum
output power:
P
o
(W)
Maximum internal
parameters:
C
o
(nF) L
o
(mH)
A 13.6 80 0.08 75 0
F, W 13.9 23 0.079 7.7 0