101
Variable types
Type
Name
Type
ID
Variable
Variable Identification
Date/Hour
0Bh
Field size
(bytes)
Field
name
Field type
Description
2
Variable
ID
unsigned
integer
Numeric index identifying the
variable defined by the
descriptor
Field size
(bytes)
Field
name
Field type
Description
1 Century
unsigned
integer
Century
1 Year
unsigned
integer
Year
1 Month
unsigned
integer
Month
1 Day
unsigned
integer
Day
1 Hour
unsigned
integer
Hour
1 Minute
unsigned
integer
Minute
1 Seconds
unsigned
integer
Seconds
1 DST
flag
Boolean
Flag indicating if, at this
instant, STANDARD
TIME or DAYLIGHT
SAVING TIME is in
effect
.
Input
Register
Group
0Ch
Field size
(bytes)
Field
name
Field type
Description
2 Address
unsigned
integer
Address of the first input
register in this group
2
Register
Number
unsigned
integer
Number of (contiguous)
registers in this group
Field size
(bytes)
Field name
Field
type
Description
2
REGISTER 1
-
Register 1
2
REGISTER 2
-
Register 2
... ...
-
...
2
REGISTER N
-
Register N
Holding
Register
Group
0Dh
Field size
(bytes)
Field
name
Field type
Description
2 Address
unsigned
integer
Address of the first holding
register in this group
2
Register
Number
unsigned
integer
Number of (contiguous)
registers in this group
Field size
(bytes)
Field name
Field
type
Description
2
REGISTER 1
-
Register 1
2
REGISTER 2
-
Register 2
... ...
-
...
2
REGISTER N
-
Register N