Siemens SIMATIC NET Guide de l'utilisateur télécharger pdf (Page 41)

Item Names 37

Counters

Data Format Item/Point Suffix Data Type Range

Word

None Integer 0...65535

None Integer 0 to 65535

BCD Integer 0 to 9999

KT Message 0.0 to 999.3

S5T Message 0ms to 2h46m30s

Note All Counters are Read/Write (x=0 to 65,535). The Wonderware Siemens

SIMATIC NET S7 I/O Server will process a write (POKE) to a Counter. Although the

S7 server allows to poke any word value into counters, the S7 PLC can only process

values in the range of 0..2457 or 0..999 (BCD).

Timers

Data Format Item/Point Suffix Data Type Range

Word

None Integer 0 to 14745

BCD Integer 0 to 9999

KT Message 0.0 to 999.3

S5T Message 0ms to 2h46m30s

TREALx

None Real 0.0 to 9990.00

Note All Timers are Read/Write (x=0 to 65,535). The Wonderware Siemens

SIMATIC NET S7 I/O Server will process a write (POKE) to a Timer. Although the

S7 server allows to poke any word value into timers, the S7 PLC can only process

values that represent a valid time format.

Block Items

Block items are available only if a BSEND routine is configured/programmed in the

remote PLC. With these items you are able to read huge data blocks (up to 64kByte)

out of the PLC. These items are only available if your SIMATIC NET driver supports

block services. For more information refer to your Siemens manuals.

Data Format Item/Point Suffix Data Type Range

Bit

BLd,Xx.y

Discrete 0 or 1

String

BLd,Sx,v

Message String

BLd,STRINGx,v

Message String

Byte

BLd,Bx

Integer 0 to 255

BLd,BYTEx

Integer 0 to 255

DT Message 1990-1-1-0:00:00.000 to

2089-12-31-23:59:59.999

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 67 68

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Siemens SIMATIC NET Guide de l'utilisateur Page 41

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