
G
1 DTR. LI-24
(ENG
)
CONTENTS
1.
INTRODUCTION .............................................................................................................................. 2
2.
APPLICATIONS AND MAIN FEATURES ........................................................................................ 2
3.
CONSIGNMENT CONTENTS .......................................................................................................... 2
4.
CONSTRUCTION AND MEASUREMENT PRINCIPLES ................................................................. 2
4.1. Electronic System
– block diagram. ..................................................................................................... 3
5.
USE OF THE LI-24 TRANSMITTERS IN DANGER ZONES ............................................................ 3
5.1. List of norms. ...................................................................................................................................... 3
5.2. LI-24 transmitters identification symbols. ............................................................................................. 3
5.3. Permitted intrinsic-safety parameters .................................................................................................. 4
5.3.1.Permitted sensors supply parameters (to 1, 2, 3, 4, 5 terminal sensors connection)
............... 4
5.3.2. Permitted input parameters (to <DC>, <DC> terminals current loop)
..................................... 4
5.4. Supply examples ................................................................................................................................ 4
5.4.1. - Power supply with linear characteristics
............................................................................. 4
5.4.2.
– Power supply with the trapezoidal characteristics
............................................................. 4
5.4.3. -
Power supply with the rectangular characteristics
............................................................. 5
5.5. Assembly recommendations ............................................................................................................... 5
5.5.1. General recommendations
...................................................................................................... 5
5.5.2.Special conditions for safe use according to FTZU 08 and ATEX 0160X Certificates.
.......... 5
5.5.3. LI-24 connecting at danger area.
............................................................................................ 6
6.
TECHNICAL PARAMETERS. .......................................................................................................... 6
6.1. Electrical parameters: ......................................................................................................................... 6
6.2. Metrological parameters: ..................................................................................................................... 7
6.2.1. Input data, accuracy.
............................................................................................................... 7
6.3. Input with 2 sensors: .......................................................................................................................... 8
6.4. Normal usage conditions: .................................................................................................................... 9
7.
SENSORS CONNECTION OPTIONS TO LI-24 TRANSMITTER. .................................................. 10
8.
LI-24 TRANSMITTER CONFIGURATION ...................................................................................... 11
9.
SAFETY CONDITIONS. ................................................................................................................. 11
10.
STORAGE AND TRANSPORT. ..................................................................................................... 11
10.1. Storage. .......................................................................................................................................... 11
10.2. Transport. ....................................................................................................................................... 11
11.
WARRANTY. ................................................................................................................................. 11
12.
FIGURES ....................................................................................................................................... 12
Fig.1. LI-24 transmitter
– block diagram. .................................................................................................... 3
Fig.2. The supplying principle with a source of linear characteristics........................................................... 4
Fig.3. The supplying principle with a source of trapezoidal characteristics. ................................................. 4
Fig.4 The supplying principle with a source of rectangular characteristics. .................................................. 5
Fig.5. Connecting transmitter circuit
– sensors connecting according to p.7. ............................................... 6
Fig.6. Supply voltage in load resistance (Ro) function for LI-24 transmitter. Safe working area (grid)
upper colour area. ............................................................................................................................ 6
Fig.7. Sensors connection options to LI-24 transmitter. ........................................................................... 10
Fig.8. Circuit LI-24 transmitter to configuration with PC computer and Hart-RS converter ........................ 11
Fig.9. Smart temperature transmitter type LI-24, dimensions, description. ................................................ 12