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1 OVERVIEW
1.2 Data Specification Method
Label data
â– Primitive data type
Data type (label) Specifiable label
Bit
(BOOL)
• Bit type label
• Bit-specified word [unsigned]/bit string [16 bits] type label
• Bit-specified word [signed] type label
• Timer/retentive timer/long timer/long retentive timer type label contact/coil
• Counter/ long counter type label contact/coil
Word [unsigned]/bit string [16 bits]
(WORD)
• Word [unsigned]/bit string [16 bits] type label
• Nibble specified bit type label (K1 to K4)
• Current value of timer/retentive timer type label
• Current value of counter type label
Double word [unsigned]/bit string [32 bits]
(DWORD)
• Double word [unsigned]/bit string [32 bits] type label
• Nibble specified bit type label (K1 to K8)
• Current value of long timer/long retentive timer type label
• Current value of long counter type label
Word [signed]
(INT)
• Word [signed] type label
• Nibble specified bit type label (K1 to K4)
• Current value of timer/retentive timer type label
• Current value of counter type label
Double word [signed]
(DINT)
• Double word [signed] type label
• Nibble specified bit type label (K1 to K8)
• Current value of long timer/long retentive timer type label
• Current value of long counter type label
Single-precision real number
(REAL)
• Single-precision real data type label
Time
(TIME)
• Time type label
Character string
(STRING)
• Character string type label
Timer
(TIMER)
• Timer type label
Retentive timer
(RETENTIVETIMER)
• Retentive timer type label
Counter
(COUNTER)
• Counter type label
Long counter
(LCOUNTER)
• Long counter type label
Pointer
(POINTER)
• Pointer type label