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GE Monogram GFK-1115 Manuel D’Utilisation

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5 - 12
PANELWARE MMI Application Manual for GE Fanuc Genius Protocol  - 
June 1995 
GFK-1115
5
Data Type Conversions
The following basic Panel and PLC data types are supported:
Table 5 - 3.  Variable Data Types
Format in the PCS
Panel Data Type
PLC Data Type
Value Range
Bit
BIT
0 ... 1
Byte unsigned
(does not exist)
0 ... + 255
Word unsigned
WORD
0 ... + 65535
Word signed
INT
- 32768 ... + 32767
Long unsigned
DWORD
0 ... + 4294967295
Long signed
DINT
- 2147483648 ... + 2147483647
Float
FLOAT
±
 1.401298 
×
 10
-45
 ... 
±
 3.402823 
×
 10
+38
*
String
STRING
Byte field (character string)
* A maximum of 7 digits of significance (precision).
The PLC and Panel data types can sometimes differ while reading from the PLC or writing to the
PLC. When this happens, a data type conversion is performed automatically as shown in Table 5-
4.