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- The analog electronics modules are installed on terminal modules which must be ordered separately:
- TM-IM/EM60 terminal modules for one interface module and one watchdog, reserve or electronics module (for versions, see section Interface module)
- TM‑EM/EM60 terminal modules with two slots for watchdog module, reserve module or electronics module (except 2 DO relay), with blue screw-type or spring-loaded terminals for hazardous environments or with black screw-type terminals for non-hazardous environments
- The analog electronics modules are plugged as planned onto terminal modules using screw-type systems (TM‑EM/EM60S) or spring-loaded systems (TM‑EM/EM60C).
- Using a spare module plugged onto a terminal module TM‑EM/EM60S or TM‑EM/EM60C, you can reserve a slot for an analog electronics module or close a gap resulting from how the modules were placed. The spare module can be simply replaced by the envisaged electronics module at a later point in time.
- The mechanical coding of the terminal module which is carried out when an electronics module is plugged on for the first time prevents the connection of incorrect replacement modules.
- Hot swapping of individual modules is possible under hazardous conditions.
- The process signals are connected to the terminals of the terminal modules assigned according to the plan, using either conventional screw-type or spring-loaded systems (conductor cross-sections 0.14 mmІ to max. 2.5 mmІ) depending on the type of module.
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