5 rc_read_00 – IAI America RCM-GW-PR User Manual
Page 117

111
PfofiBus Gateway
8.5 RC_READ_00
Explanation; The data specified by POS and DATA_ID is read from the specified axis at the leading
edge of REQ. The input parameter POS is effective only when the data type ID is one
that relates to the POS table.
Parameters;
I/O
Parameter
name
Data type Explanation
Input REQ
BOOL Issue an execution request upon FALSE
→ TRUE.
POS
INT
Position number value. Settable values vary
depending on the axis.
DATA_ID
INT
Data type ID; 0
Target position (unit: 0.01 mm)
1
In-position band (unit: 0.01 mm)
2
Speed (unit: 0.01 mm/s)
3
Each zone+ (unit: 0.01 mm)
4
Each zone- (unit: 0.01 mm)
5
Acceleration (unit: 0.01 G)
6
Deceleration (unit: 0.01 G)
7
Push rate (FFH = 100%)
8
Threshold % (FFH = 100%)
128 Current
Position
129 Alarm
code
LADDR
WORD
Gateway head I/O address
AXIS
BYTE
Axis number (0 to 15)
Output DONE
BOOL
One pulse is output upon completion of command
issuance.
BUSY
BOOL
The command is being issued.
RESULT WORD Command
issuance
result code;
0000H Successful
0102H Invalid
POS
number
0103H Invalid
command
0201H Communication
failed
0202H Exceptional
response
1000H
Invalid axis number or data ID
DATE DWORD
Read
data
* This function block uses the SFC14/15. Consistency setting is required for data corresponding to the
first five words in the command area.
Read request
Position number
Data type ID
Gateway head address
Axis number
Complete pulse
Executing
Result code
Read data