Four-channel intrinsically safe RTD and resistance input module for ET 200iSP
The 4AI RTD electronic module measures Pt100 and Ni100 resistance thermometers or resistance signals on four channels. It supports 2-, 3- and 4-wire connections and is installed on TM-IM/EM or TM-EM/EM terminal modules in approved ET 200iSP hazardous-area systems.
Ex-system compatibility check: Verify the complete order number, terminal-module type and mechanical coding, hazardous-area zone, ATEX and IECEx requirements, sensor entity parameters, 2-, 3- or 4-wire circuit, channel parameterization and the ET 200iSP station configuration before replacement.
RTD wiring
6ES7134-7SD51-0AB0 is the SIMATIC ET 200iSP 4AI RTD electronic module for temperature and resistance measurement in intrinsically safe installations. The module provides four channels with 15-bit plus sign resolution and linearization for supported resistance thermometers.
Qualitas installationis directe afficit praecisionem mensurae et protectionem contra explosiones. Methodus connexions sensoris, compensatio, calculatio entitatis intrinsece sicurae, segregatio catarum, protectio capsae et codificatio moduli terminalis omnes inspiciendae sunt antequam systema in operationem mittatur.
Adaptare methodum mensurandi configuratam ad veram dispositionem sensoris et catenarum.
Compensatio ducens
Utere recta schemata 2-, 3- vel 4-filorum et parametrizationem; resistentia ducens non compensata potest temperaturam indicatam mutare.
Attributio canalium
Notare conductores M+, M-, IC+ et IC- per canalem et comparare positiones terminalium cum diagrammate connexions ET 200iSP.
Confirmatio Signi
Inspicere resistentiam sensoris per methodum approbatam et comparare valorem brutum, unitatem technicam et statum diagnosticum antequam recali-bratio fiat.
Ex Installation
Servare segregationem intrinsecam sicuram, limites entitatis et protectionem capsae dum operatur servitium.
Parametri entitatis
Confirm Uo, Io, Po, Co et Lo versus sensorum connexum, capacitatem et inductantiam cavi, atque certificatum applicabilem.
Separatio cavorum
Circuits intrinsece securi et non intrinsece securi per ductus separatos requiruntur; observa EN 60079-14 et regulas locales.
Gestio Moduli
Inspecta damna et codificationem terminalium; observa requisita pro incloso Zonae 1 et Zonae 2; et sequere conditiones approbatas pro commutatione calida.
Specificationes
Designatio generis producti
SIMATIC ET 200iSP 4AI RTD
Numerus ordinis
6ES7134-7SD51-0AB0
Canali Ingressus
4
Sensoria Admissa
RTDs Pt100 et Ni100; mensura resistentiae
Methodi connexioni
2-wire, 3-wire and 4-wire
Resolutio
15 bits plus sign
Mensura Curretis
Circa 1 mA
Moduli terminalium
TM-IM/EM vel TM-EM/EM
Isolatio
Canali isolati a dorso plano et ab omnibus bus potestatis; non autem inter se canales
Consumptio currentis oneris
Maximum 22 mA
Ammissio Potentiae
Approximately 0.4 W
Uso in zone pericolose
Approved ET 200iSP installation with specified Ex conditions
How can I verify that 6ES7134-7SD51-0AB0 matches the installed ET 200iSP station?
Match the full module label, terminal-module type and mechanical coding. Compare the configured 4AI RTD hardware entry, hazardous-area approvals, channel ranges and the actual 2-, 3- or 4-wire sensor circuits.
Q2
Why can a Pt100 channel read incorrectly after installing 6ES7134-7SD51-0AB0?
Check whether the project and field wiring both use the same 2-, 3- or 4-wire method. Verify lead compensation, M and IC terminal positions, sensor range and channel parameterization before applying an offset or replacing the sensor.
Q3
What should be checked before connecting a Zone 0 sensor to 6ES7134-7SD51-0AB0?
Confirm the ET 200iSP installation and enclosure are approved for the area, then complete the intrinsic-safety entity comparison for voltage, current, power, capacitance and inductance including the field cable. Follow the applicable certificate and EN 60079-14.
Q4
How should a channel fault on 6ES7134-7SD51-0AB0 be isolated without defeating intrinsic safety?
Use approved safe-area or intrinsically safe test methods and first read the station diagnostics. Inspect terminal seating, cable segregation and sensor continuity, then compare the affected channel with a known-good channel without bridging Ex circuits.
Q5
Can 6ES7134-7SD51-0AB0 be inserted or removed while the ET 200iSP station is operating?
The official instructions permit handling in Zone 1 and Zone 2 only under the defined enclosure and operating conditions, with the enclosure opened only briefly. Follow the site permit, national rules and ET 200iSP manual rather than treating it as unrestricted hot swap.
Q6
Quae probatio una cum petitione substitutionis pro 6ES7134-7SD51-0AB0 adferenda est?
Praebere numerum ordinis integrum, modulum terminalis et particularia stationis, classificationem arearum periculosarum et fundamentum certificati, typum sensoris, modum connexiōnis, calculationem entitātis, parametra canalium et codicem diagnosticum observatum aut errorem mensurātum.
EN
