Rosemount FISHER-ROSEMOUNT 244EH, Руководство по эксплуатации продукта

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Rosemount Models 244EH and 244ER PC-Programmable Temperature Transmitters
C-4
SPECIFICATIONS
Old New
BASEFFA
(1)
Intrinsically Safe Installation Entity Parameters:
Power Loop U
max:in
30 V dc 30 V dc
I
max:in
200 mA 200 mA
Group II C
Zones 0 and 1 W
max:in
1.0 W 1.0 W 0.67 W
• T5 (– 40
≤
T
a
≤
40 °C) • • T5 (– 60
≤
T
a
≤
40 °C) • T6 (– 60
≤
T
a
≤
40 °C)
• T4 (– 40
≤
T
a
≤
80 °C) • • T4 (– 60
≤
T
a
≤
80 °C) • T5 (– 60
≤
T
a
≤
50 °C)
C
eq
13.4 nF 10 nF
L
i
0
µ
H 0
µ
H
Sensor U
o
24.2 V dc 13.6 V dc
I
o
33 mA 80 mA
P
o
0.2 W 0.08 W
Cable Load IIC IIB IIA IIC IIB IIA
C
o
(
µ
F) 0.2 0.6 1.6 0.7 5.1 18.5
L
o
(mH) 31 93 248 5 23 48
Special Conditions for Safe Use: The apparatus must be installed such that its external terminals and
the communication pins are protected to at least IP20.
Special Conditions for Safe Use: The apparatus must be installed in an enclosure which
affords it a degree of protection of at least IP20. Non-metallic enclosures must have
a surface resistance of less than 1 G
Ω
, light alloy or zirconium enclosures must be
protected from impact and friction when installed.
CSA
(2)
Intrinsically Safe Installation Connection Parameters:
Class I
Div. 1
Groups A, B, C,
and D
• 30 V or less, 330 ohms or more
T6 (– 50
≤
T
a
≤
40 °C)
• 30 V or less, 340 ohms or more
T5 (– 50
≤
T
a
≤
60 °C)
• 28 V or less, 300 ohms or more
T5 (– 50
≤
T
a
≤
60 °C)
• 28 V or less, 300 ohms or more
• 25 V or less, 200 ohms or more • 25 V or less, 240 ohms or more
• 22 V or less, 180 ohms or more • 22 V or less, 190 ohms or more
T4 (– 50
≤
T
a
≤
80 °C)
• 30 V or less, 330 ohms or more
• 28 V or less, 250 ohms or more
• 25 V or less, 240 ohms or more
• 22 V or less, 190 ohms or more
Class I
Div. 1
Groups C and D
• 30 V or less, 150 ohms or more
T4 (– 50
≤
T
a
≤
80 °C)
• 30 V or less, 230 ohms or more
• 28 V or less, 200 ohms or more
• 25 V or less, 160 ohms or more
Factory Mutual
(3)
Intrinsically Safe Installation Entity Parameters:
Power Loop V
i
30 V dc 30 V dc
I
i
250 mA 240 mA
Class I, II, and III
Div. 1
Groups A, B, C, D,
E, F, and G P
i
1.0 W 1.0 W 0.67 W
• T5 (– 50
≤
T
a
≤
60 °C) • • T5 (– 50
≤
T
a
≤
40 °C) • T6 (– 50
≤
T
a
≤
40 °C)
• • T4 (– 50
≤
T
a
≤
80 °C) • T5 (– 50
≤
T
a
≤
50 °C)
C
i
0.008
µ
F 0.010
µ
F
L
i
0
µ
H 0
µ
H
Sensor V
t
10.7 V dc 13.6 V dc
I
t
15.3 mA 22 mA
P
o
0.04 W 0.11 W
C
a
2.23
µ
F 0.8
µ
F
L
a
140 mH 60.0 mH
(1) For more information see approval certificate, Old: Model 644H: 95C2010X, Model 244E: 95C2019X; New: Model 644H: BAS00ATEX1033X, Model 244E:
BAS00ATEX1034X
(2) For more information see Rosemount drawing 00644-1040, Rev. B (old) and 00644-1064, Rev AB (new).
(3) For more information see Rosemount drawing 00644-1056, Rev. B (old) and 00644-0009, Rev AA (new)