279Chapter 11RS-232C CommunicationCommand format: Fixed LengthEven if "Format" is set to "Fixed Length", more than 5-digit data can be sent using this command.Communication direction Command / DescriptionFrom external device to PV310 % N ? ? Min. Max. CR?? 01 to 96 Specify the number of Numeric Calculation No. in2-digit formMin. Fixed (12 Digits)Max. Fixed (12 Digits)- 02147483648 to 002147483647or- 02147483648 to 002147483647- 02147483648 to 002147483647: If Unused digits are filled with '0'.- 02147483648 to 002147483647: If Unused digits are filled with 'Blanks'.Response: Normal (At the endof specifying the number ofcommand digits)% N ? ? Min. Max. CRThe same command as the sending command from external device to PV310transmitted.Response: Error 1 % U CRCause:Command in the unspecified form or not provided was received.Examples:%C3-02147483648002147483647 CR (any other checker number than 01 to96 was specified)%B03-02147483648002147483647 CR (not provided command)Response: Error 2• ERROR signal = “ON”• Error Code: E0179 isdisplayed on the screen% Z CRCauses:• The max. specified by a sending command is smaller than the min. value.• The max. /min. specified by a sending command is not within the availablerange.• The max. /min. specified by a sending command is not 12 digits.To specify the command format (Comma separated/Fixed Length), select “ENVIRONMENT” > “SerialCommunication”> “Command” from the menu bar.