HIMA HIMax® Analog input module X-AI 32 01

Product Description

The X-AI 32 01 analog input module is intended for use in the programmable electronic system

(PES) HIMax.

The module is inserted into any of the base plate slots with the exception of the slots reserved

for system bus modules. For more information, refer to the System Manual (HI 801 001 E).

The module is used to evaluate up to 32 analog input signals.

The module is TÜV-certified for safety-related applications up to SIL 3 (IEC 61508. IEC 61511

and IEC 62061), Cat. 4 and PL e (EN ISO 13849-1).

Refer to the HIMax Safety Manual (HI 801 003 E) for more information on the standards used to

test and certify the module and the HIMax system.

Safety Function

The module measures the current of the connected devices with safety-related accuracy,

providing the transmitter supply with a guaranteed minimum voltage.

The safety function is performed in accordance with SIL 3.

Reaction in the Event of a Fault

If a fault occurs, the module adopts the safe state and the assigned input variables transmit the

initial value (default value = 0) to the user program.

The initial values must be set to 0 to ensure that the input variables transmit the value 0 to the

user program if a fault occurs. If the raw value is evaluated instead of the process value, the

user must program the monitoring function and the value in the event of faults from within the

user program.

The module activates the Error LED on the front plate.

Scope of Delivery

The module must be installed on a suitable connector board to be able to operate. If a Field

Termination Assembly (FTA) is used, a system cable is required to connect the connector board

to the FTA. Connector boards, system cables and FTAs are not included within the scope of

delivery.

The connector boards are described in Chapter 3.6. the system cables are described in

Chapter 3.7. The FTAs are described in own manuals.

Assembly

The module has 32 analog current inputs (0/4...20 mA), each input is measured and functionally

tested using two internal measuring facilities. A short-circuit-proof transmitter supply is assigned

to each input.

The 32 analog inputs can be used to evaluate the values measured for the transmitters and

safety transmitters. Two-wire or three-wire transmitters with a maximum supply current of 30 mA

can be connected to the module.

The functional units are galvanically separated to ensure that the input signals are interference

free.

The safety-related 1oo2 processor system for the I/O module controls and monitors the I/O

level. The data and states of the I/O module are made available to the processor modules via

the redundant system bus. The system bus has a redundant structure for reasons of availability.

Redundancy is only ensured if both system bus modules are inserted in the base plates and

configured in SILworX.