Emerson Rosemount 644h, Reference Manual

Page: 67 / 78

Reference Manual
00809-0100-4728, Rev HA
December 2002
B-3
Models 644H and 644R
Special Conditions for Safe Use (X):
The transmitter must be installed so that its external terminals and
communication pins are protected to at least IP20.
Non-metallic enclosures must have a surface resistance of less than 1G
Ω
.
Light alloy or zirconium enclosures must be protected from impact and friction
when installed.
ED CENELEC Flame-Proof:
Certification Number: KEMA99ATEX8715
ATEX Marking:
II 2 G EEx d IIC T6
1180
Temperature Code: T6 (T
amb
=–40°C to 65°C)
Max Input Voltage: U
i
=55Vdc
N1 CENELEC Type n:
Certification Number: BAS00ATEX3145
ATEX Marking:
II 3 GEEx n IIC T5
Temperature Code: T5 (T
amb
=–40°C to 70°C)
Max Input Voltage: U
i
=45Vdc
NC CENELEC Type n Component:
Certification Number: BAS99ATEX3084U
ATEX Marking:
II 3 G EEx nL IIC T5
Temperature Code: T5 (T
amb
=–40°C to 70°C)
Max Input Voltage: U
i
=45Vdc
NOTE
The equipment must be installed in an enclosure meeting the requirements of
IP54 and the requirements of the impact tests described in EN50021.
Australian Approvals
Standard Australia Quality Assurance Service (SAA) Approvals
NOTE
Consult factory for SAA availability.
E7 SAA Explosion-Proof
Certification Number: AUS Ex3706X
Ex d IIC T6
Temperature Code: T6 (T
amb
=–40°C to 65°C)
Table B-4. Entity Parameters
Loop/Power Sensor
U
i
= 30 V U
o
= 13.6 V
I
i
= 200 mA I
o
= 80 mA
P
i
= 0.67 W or 1.0 W P
o
= 80 mW
C
i
= 10 nF C
i
= 75 nF
L
i
= 0 L
i
= 0