Interface; Mechanical - Siemens 7ML5431 Operating Instructions Manual

See Hygienic encapsulated antenna (2" ISO 2852 sanitary clamp) (Page 202).
11.3

Interface

Analog output
Communication:
HART
1)
Configuration
See A.6.3 for details on version exclusions
1)
Display quality will be degraded in temperatures below –25 °C (–13 °F) and above +65 °C (+149 °F).
2)
Curve 2 (Flameproof, Increased Safety, Explosion-proof) (Page 257)
11.4

Mechanical

Transmitter Stainless steel
housing horn version
Aluminum horn,
with polypropylene
lens antenna ver-
sion
PTFE flanged
Encapsulated
SITRANS LR250 with mA/HART
Operating Instructions, 10/2019, A5E32220602-AG
Signal range 4 to 20 mA (± 0.02 mA accuracy) upper limit 20 to 23 mA adjustable
Fail signal 3.6 mA to 23 mA [For more details, see Fail-safe Mode] (Page 243)
Load 230 to 600 Ω, 230 to 500 Ω when connecting a coupling module
Max. line length multi-wire: ≤ 1500 m (4921 ft)
Protocol HART, Version 5.1
Remote Siemens SIMATIC PDM or AMS Device Manager (PC)
Local Siemens infrared handheld programmer, or HART handheld communicator
Display (local) graphic LCD, with bar graph representing level
2)
Process connec-
tion
Wetted materials
Horn
Process connec-
tion
Wetted materials
Horn
Process connec-
tion
Flange 2, 3, 4" (ASME B16.5 raised face 150 lb, 300
lb) DN50, DN80, DN100, DN150 (EN 1092-1
TYPE B1 raised face PN10/16, PN25/40),
50A, 80A, 100A (10K JIS B 2220 flat faced)
Threaded 1.5" NPT (ASME B1.20.1), R (BSPT, EN
10226-1), G (BSPP, EN ISO 228-1), 2" NPT
(ASME B1.20.1), R (BSPT, EN 10226-1), G
(BSPP, EN ISO 228-1), 3" NPT (ASME
B1.20.1), R (BSPT, EN 10226-1), G (BSPP,
EN ISO 228-1)
316L stainless steel with PTFE emitter op-
tional Alloy N06022/2.4602 (Hastelloy
or equivalent) with PTFE emitter, FKM or
FFKM seal
1.5" (40 mm), 2" (50 mm), 3" (80 mm), and
4" (100 mm) horn, optional 100 mm (4") horn
extension
Flange Universal mount ANSI/DIN/JIS
3" (80 mm), 4" (100 mm), 6" (150 mm)
Polypropylene, FKM seal
3" (80 mm) polyester powder coated exterior
Flange 2, 3, 4, 6" (ASME 150 lb); DN50, DN80,
DN100, DN150 (PN10/16); 50A, 80A, 100A,
150A (JIS 10K)
Technical data
11.3 Interface
C-22
®
177