ABB 3ASC25H204 DAPU 100 I/O accessories

LKS adapter (RS-232 interface converter)

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You can easily connect your TZIDC positioner to a PC, e.g., in the

workshop or in the commissioning phase, by using the positioner’s

LKS adapter (LKS = local communication interface).

An RS-232 interface converter adapts the signals on the serial PC

port to the level of the positioner’s LKS.

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4.3 FSK Modem

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The FSK modem establishes a digital frequency-modulated

communication (Frequency Shift Keying) with the TZIDC positioner.

Tapping is possible at any chosen point of the 20 mA signal line.

We recommend that you use an electrically isolated FSK modem. It is

bus-compatible when used with isolating amplifiers. Even connecting

explosion-protected field devices is possible, on condition that the

FSK modem is run outside the hazardous area

Environmental capabilities

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Ambient temperature

For operation, storage and

transport:

-40 … 85 °C (-40 ... 185 °F)

When using proximity switches

SJ2-S1N (NO):

-25 … 85 °C (-13 ... 185 °F)

Relative humidity

Operational (with closed housing

and air supply switched on):

95 % (annual average),

condensation permissible

Transport and storage: 75 % (annual average), noncondensing