Emerson Rosemount 644H Quick Start Manual page 18
Temperature transmitters with profibus pa
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Also See for Rosemount 644H:
- Reference manual (78 pages) ,
- Quick start manual (48 pages) ,
- Quick installation manual (19 pages)
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Quick Start Guide
For Enhanced 644 HART:
Terminals of power supply (+, -)
Max input
voltage:
U
(V)
i
30
Terminals of sensor (1,2,3,4)
Max output
voltage:
U
(V)
o
13.6
3. This product complies to the requirements for FISCO field devices specified in
IEC60079-27: 2008. For the connection of an intrinsically safe circuit in accordance
FISCO model, FISCO parameters of this product are as above.
4. The product should be used with Ex-certified associated apparatus to establish
explosion protection system that can be used in explosive gas atmospheres. Wiring and
terminals should comply with the instruction manual of the product and associated
apparatus.
5. The cables between this product and associated apparatus should be shielded cables
(the cables must have insulated shield). The shielded has to be grounded reliably in
non-hazardous area.
6. End users are not permitted to change any components insides, but to settle the
problem in conjunction with manufacturer to avoid damage to the product.
7. During installation, use and maintenance of this product, observe the following
standards:
GB3836.13-1997 "Electrical apparatus for explosive gas atmospheres
Part 13: Repair and overhaul for apparatus used in explosive gas atmospheres"
GB3836.15-2000 "Electrical apparatus for explosive gas atmospheres
Part 15: Electrical installations in hazardous area (other than mines)"
GB3836.16-2006 "Electrical apparatus for explosive gas atmospheres
Part 16: Inspection and maintenance of electrical installation (other than mines)"
GB50257-1996 "Code for construction and acceptance of electric device for explosion
atmospheres and fire hazard electrical equipment installation engineering".
18
Max input
current:
I
(mA)
i
≤ +80 °C)
150 (T
a
≤ +70 °C)
170 (T
a
≤ +60 °C)
190 (T
a
Max output
Max output
current:
power:
I
(mA)
P
o
o
80
0.08
Max internal
Max input
parameters:
power:
P
(W)
i
C
(nF)
i
0.67/0.8
3.3
Gas
Group
(W)
IIC
IIB
IIA
January 2016
L
(mH)
i
0
Max internal
parameters:
C
(nF)
L
(mH)
o
o
0.816
5.79
5.196
23.4
18.596
48.06
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