Safety Instruction Promonitor NRF560

XA01258G-A/08/EN/01.13
71242453
Products
Solutions
Services
Safety Instruction
Promonitor NRF560
Average Temperature
GYJ13.1353X
Safety instructions for Electrical Apparatus Certified
for Use in Explosion-hazardous Areas
Designation according to IECEx 02
Equipment Protection Level (EPL): Gb
Ignition Protection Provided
Hazardous Zone at Mounting Point
Ga
Gb
Gc
Hazard due to explosive gas-air mixture
Zone 0
○
×
×
Hazard due to explosive gas-air mixture
Zone 1
○
○
×
Hazard due to explosive gas-air mixture
Zone 2
○
○
○
○ : Applicable ×: Not Applicable
Designation of Explosion Protection
Ex
- Electrical apparatus with explosion protection to European standard
- Type of Protection
- Apparatus Group
- Temperature Class
d
IIC
T4
Promonitor NRF560
XA01258G-A
Table of Contents
1
Safety Notes for Installation in Hazardous Areas . . 4
2
Guideline for Safety Use . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1
2.2
Supply and Signal Circuit . . . . . . . . . . . . . . . . . . . . . . . . . 4
Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2
3
Applied Standards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
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XA01258G-A
Promonitor NRF560
NRF560 System Layout
Power (AC / DC)
Output: Primary Digital
V1 Serial bus
RS485
HART
Mark Space
WM550
Ebraf BPM
NMS5/7
NMT53 Series
E
- +
Output: Secondly Analog
4 SPST, Alarm Output
4 - 20mA x 2 Channels
Temperature
Liquid and Gas/Vapor
Local HART
Level
Tank Bottom
Interface Level
Density
Zone 0 (1G)
Zone 1 (2G)
NRF560
0.0°C
U-D
LEVEL
Power (AC / DC)
Displacer operation
Temperature Display
Displacer Position for:
1. Liquid Level
2. Interface Level
3. Bottom Level
0.0°C
U-D
LEVEL
Level
Temperature
Displacer status
Gauge status
Figure 1: NRF560 System Layout
NRF560 Terminal Housing Layout
Internal Power
to power Module
Lighting
Arrester
N L
V1
V2
Terminal
No.1
Terminal
No.3
Lightning Arrester
G
4
2
E
V1
N
L1
AC Power Supply
4
3
1
8
6
L1
V2
5
7
10
N
9
9
7
2
5
Fuse
N L
13 15
Power Supply
High Voltage: 85-264VAC, 50/60Hz
Low Voltage: 20-62VDC, 20-55VAC, 50/60Hz
2
Signal Cable
Remote
Communication (to NMS)
+ 11
13
15
17
19
16
18
20
L+ L12
14
Ground Terminal
for Cable Screen
CAUTION
+ Remote Comm. Signal
from CPU Module
Use the cable gland attached to
the Promonitor NRF560 or an
appropriate (ATEX certified)
one for use in explosion hazardous
areas.
Figure 2: Description of Terminal Housing
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3
Promonitor NRF560
XA01258G-A
1
Safety Notes for Installation in Hazardous
Areas
• Install NRF560 according to the manufacturer’s instructions and any other valid standards and
guidelines.
• Do not open the connection compartment cover and/or electric compartment cover under voltage
in explosive atmospheres.
• Only certified cable entries must be used for the intended cables. Selection criteria as per GB
3836.15 must be observed.
• Continuous duty temperature of the cable ≧ 120°C
• When connecting the tank side monitor housing via piping entries permitted for this purpose, the
associated seal mechanisms must be arranged directly at the housing.
2
Guideline for Safety Use
2.1
Supply and Signal Circuit
2.1.1
Power Supply
Terminals: 1(L+), 3(N-), 5(GND)
High Voltage Type
Low Voltage Type
NRF560-G.3../NRF561-G...3..
NRF560-G.4../MRF561-G...4..
85 V ... 264 V AC, 50/60 Hz, max. 25 VA
20 V... 55 V AC, 50/60 Hz, max. 25 VA,
20 V ... 62 V DC, max. 25W
2.1.2
Internal Circuit
Terminals (11 to 20): Umax = 24 V, Imax = 100mA
2.2
Ambient Temperature
The ambient temperature for NRF560 is -20°C ≦ Ta ≦ 60°C.
3
Applied Standards
The following standards are effective for NMT539.
• GB3836.1-2010
• GB3836.4-2010
4
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