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741. What is the difference between a PCD3.C200 and a PCD3.C200Z09?

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     The PCD3.C110Z09 and the PCD3.C200Z09 are designed for the direct connection to a PCD3 Compact (PCD3.M2x3xV6) or a PCD3 WAC with a PCD3.K010.

742. What is the max. size of DBs/TEXTs in the extension memory of PCD2.M170/480 with a PCD7.R400 memory module?

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743. What is the meaning of the PCD history entry ‘FWDnld UnknownFW’?

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     It’s possible that after a FW update of the PCD to the FW 1.20.xx, 1.22.xx or 1.24.xx there is a entry in the FW history ‘FWDnld UnknownFW’ after the history line ‘FWDnld 1.2x.xx PLC CLASSIC’ as shown on the image below.

744. What is the minimal hardware version of the PCD4.N2x0 to be used with a PCD4.U100?

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     The minimal hardware version of the PCD4 power supply modules PCD4.N2x0 which can be used together with a PCD4.U100 upgrade kit is hardware version "B".

745. What is the minimum distance between PCD2.Mxxx CPUs and PCD2.C1xx extension rack?

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     Due of the housing of the connector of the PCD2.K1.. extension cable a minimum distance of 6 cm is required between the PCD2.M… CPUs and PCD2.C1.. extension rack, if the extension rack PCD2.C1.. is placed on the right side of the PCD2.M… CPU.

746. What is the signification of the I/O words of a PCD2/3.W525 module?

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     When configuring a W525 module using the Device Configurator or the Profi-S-I/O (or Profibus DP) Network Configurator, the PCD2/3.W525 does need two registers for the analogue outputs and 8 registers for the analogue inputs.

747. What's the max. data amount that can be exchanged between a SBC-NT PLC and a PCD3.T760?

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     Against the description of the exchangeable amount of data in the Profibus DP manual, a SBC-NT PLC (PCD3, PCD1.M2, PCD2.M5xxx, PCD2.M480) can communicate with a PCD3.T760 a maximum amount of 2'048 bytes.

748. Which DALI interface from Tridonic is needed in which case?

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     If the PCD2.F2610 or PCD3.F261 Dali communication modules are used: There is no need to use a Tridonic interface. The whole DALI configuration is done with the Dali F-Box over the F2610/F261 modules If the DALI communication is done over the serial line of the PCD and a external DALI interface: For the programmation of the lights in the DALI network Tridonic offers a tool. Additionaly an USB interface is necessary. For the communication with the PCD a serial interface is needed.

749. Which devices can I connect using the JCI N2-Bus FBox library?

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     The main application of this FBox is replacing a DX system by a PCD without the need to replace all the XT extensions, too. Therefore the FBox library for the Johnson Controls JCI N2-Bus is designed to connect XT 9100 extension modules (where the PCD is the master and the XT9100 is the slave).

750. Which extension memory chips are recommended / supported

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     On the PCD1, and PCD2.M110/120/150 it is possible to put a memory chip as extension memory. The table below contains a list of the supported extension memory chips for classic PCD's.