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SIL 2 Repeater Power Supply / Analog Signal Converter and Trip Amplifiers


Signal Converter

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24 Vdc nom (21.5 to 30 Vdc)

Field device:

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The single channel Power Supply Repeater and Trip Amplifier D5254S provides a fully floating dc supply to energize conventional 2 wires 4-20 mA transmitters located in Hazardous Area; it also accepts 0/4-20 mA current input signals, as well as ±12 V voltage inputs (also suitable for 0/1-5 V and 0/2-10 V signals) from Hazardous Area. The module repeats/converts (in linear or square root scale) the input as on current signal, in a floating circuit to drive a Safe Area load, suitable for applications requiring SIL 2 (according to IEC 61511) in safety related systems for high risk industries. The output signal can be in direct or reverse form.
Two independent Alarm Trip Amplifiers are also provided. Each alarm energizes or de-energizes an SPDT relay for low, high, window or fault repeater alarm functions.
The two alarm relays trip points are settable over the entire input signal range.
An optional alarm acknowledgement input is also provided.

Mounting on standard DIN-Rail, with or without Power Bus, or on customized Termination Boards, in Safe Area or in Zone 2.


1 I.S. channel analog input for 2 wires loop powered or separately powered Smart transmitters or Current or Voltage signals, provides 3 port isolation (input/output/supply) and current (source or sink mode) output signal. In addition, it provides two SPDT relay alarm contacts with adjustable alarm trip point. The out-of-range (burnout) fault is repeated to the bus.


• Input from Zone 0 (Zone 20), installation in Zone 2.
• Current Input signal: 4-20 mA loop or 0/4-20 mA externally powered.
• Voltage Input signal: ±12 V.
• Source/Sink Current Output signal: 0/4-20 mA linear or reverse.
• Input and Output short circuit protection.
• Modbus RTU RS-485 Output.
• Out-of-range (burnout) fault detection.
• High Accuracy, μP controlled A/D converter.
• Three port isolation, Input / Output / Supply.
• EMC Compatibility to EN61000-6-2, EN61000-6-4, EN61326-1, EN61326-3-1 for safety systems.
• Fully programmable operating parameters.
• High Density: 1 channel, 2 trips with alarm relays.
• Optional alarm acknowledgement input.
• Simplified installation using standard DIN-Rail and plug-in terminal blocks, with or without power Bus, or customized Termination Boards.

SIL level:


Data sheet:
DTS0368 D5254 data sheet (English) (PDF 322 KB)
Instruction manual:
ISM0154SWC5090 Instruction Manual (PDF 5.57 MB)
ISM0121D5000-D5200 Series General Instruction Manual (PDF 3.27 MB)
ISM0156D5000 Series Safety Instruction Manual (PDF 5.24 MB)
ISM0293D5254 instruction manual (PDF 733 KB)
CRT220ATEX Certificate n. BVS 16 ATEX E 066 X (PDF 1.48 MB)
CRT223IECEx CoC for D5254S [link IECEx BVS 16.0043X] (PDF 942 KB)
SWC5090D5000/D6000 Software Configurator for Windows
JDFT05022mm DIN Rail Connector
MCHP196Power Bus Terminal Block Cover and Fix
MOR017Plug-in Terminal Block male, Horizontal Output, for Bus Power
MOR022Plug-in Terminal Block female, Horizontal Output, for Bus Power
PPC5092D5000 Series Adapter for Configuration
2D drawing of D5200 Series in DWG format (DWG 54 KB)
3D drawing of D5200 Series in DWG format (DWG 2.23 MB)
3D drawing of D5200 Series in STEP format (STEP 5.90 MB)
Conformal Coating Declaration (PDF 135 KB)
D5200 Dimensional Drawing (PDF 218 KB)
EU Declaration of Conformity DTS0730 (PDF 220 KB)
REACh, RoHS Declaration of Conformity (PDF 150 KB)

D5254S - SIL 2 Repeater Power Supply / Analog Signal Converter and Trip Amplifiers

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G.M. International srl

Via G. Mameli, 53-55
I-20852 Villasanta (MB)
Tel: +39 039 2325038
Fax: +39 039 2325107

P. IVA / C.F. : 02312650969
REA: MI1418125
Cap. Soc.: 93600 €