Horner-apg QX351 OCS HEQX351C103 Instrukcja Użytkownika Pobierz pdf (Strona 70)

CH. 12 MAN0892-03-EN

February 25, 2010 Page 70 of 109 # 1039

12.1.3 Resource Definitions

System Registers

System Registers (%S and %SR) are used to store general QX351 status information. This

information is used internally, and is also available to the operator via the System Menu, using the

QX351 display and keypad. The System Registers are also available for User Screens and can be

accessed by Ladder Code.

%S Registers

%S Registers are 1-bit memory locations containing system status information, which are

implemented as shown in Table 12.2:

Table 12.2- %S Registers

%S1

FST_SCN

On during the first scan after entering RUN mode

%S2

NET_OK On if CsCAN Network is functioning properly

%S3

T_10MS On for 5 mS; Off for 5 mS

%S4

T_100MS On for 50 mS; Off for 50 mS

%S5

T_SEC On for 500 mS; Off for 500 mS

%S6

IO_OK On if SmartStack I/O is configured properly

%S7

ALW_ON Always On

%S8

ALW_OFF Always Off

%S9

PAUSING_SCN

On during the last scan before Pause-N-Load

%S10

RESUMED_SCN

On during the first scan before Pause-N-Load

%S11

IO_FORCED On if one or more I/O points are currently being forced

%S12

IO_FORCING On if I/O forcing is enabled

%S13

NET_IO_OK On if Network I/O (SmartStix) is functioning properly

%S16

Ethernet COM module is OK

%SR Registers

%SR Registers are 16-bit memory locations, containing system status information, implemented as

shown in Table 12.3.

Note: Where 2 %SRs are combined to make a 32-bit value, the lower numbered %SR is the low word,

while the higher numbered %SR is the high word.

Table 12.3- %SR Registers

%SR1

USER_SCR Current User Screen Number 1 1023

%SR2

ALRM_SCR Current Alarm Screen Number (0=none) 0 1023

%SR3

SYS_SCR Current System Screen Number (0=none) 0 14

%SR4

SELF_TEST Bit-Mapped Self-Test Result 0 65535

%SR5

CS_MODE Control Station Mode (0=Idle, 1=Do I/O, 2=Run) 0 2

%SR6

SCAN_RATE Average Scan Rate ( / 10) - 1000

%SR7

MIN_RATE Minimum Scan Rate ( / 10) - 1000

%SR8

MAX_RATE Maximum Scan Rate ( / 10) - 1000

%SR9-10

EDIT_BUF Data Field Edit Buffer 0 2

-1

%SR11-12

LADDER_SIZE Ladder Code Size 2 256K

%SR 13-16

Reserved - - -

%SR17-18

IO_SIZE I/O Configuration Table Size 16 127K

%SR19-20

NET_SIZE Network Configuration Table Size 34 1K

%SR21-22

SD_SIZE Security Data Table Size - -

%SR23

LADDER_CRC Ladder Code CRC 0 65535

%SR 24-25

Reserved - - -

%SR26

IO_CRC I/O Configuration Table CRC 0 65535

%SR27

NET_CRC Network Configuration Table CRC 0 65535

%SR28

SD_CRC Security Data Table CRC 0 65535

%SR29

NET_ID This Station’s Primary Network ID (CsCAN) 1 253

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 ... 108 109

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