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Click Here to Learn More!Changes for the HI WS100 configuration software to function with the HI 1746WS located in a remote chassis are as follows:
The HI WS100 configuration software needs ladder logic assistance to communicate with the HI 1746WS in a remote chassis. A version of this ladder logic is located in the HI WS100 configuration software manual (copy attached for your convenience). Some addresses and data in the ladder logic may need to be changed to match the hardware configuration of your system and to prevent conflicts in addressing.
In OUR version of the ladder logic (your version may not be the same):
N9 is the data file for the data written to and read from the module and the trigger bit. The program needs 17 consecutive words in the data file. These words are:
N9:0 is write trigger
N9:1 to N9:8 are write data locations
N9:9 to N9:17 are read data locations
These can be from any integer file with 17 consecutive words available.
N10 is the data file for setting up sections of the M files.
N10:0 sets a section of the M file as read.
N10:1 sets the length of read.
N10:2 sets the address to read from.
N10:5 sets a section of the M file as write
N10:6 sets the length of write.
N10:7 sets the address to write to.
N10:10 to N10:19 are locations used for checking status.
(Refer to Allen-Bradley 1747 Scanner module manual for more information on setup and use of M files.)
M0:x.yyy and M1:x.yyy (where x = slot scanner module is in and yyy = location within M file) are the M files being written to or read from.
M0 is from the processor to the scanner.
M1 is from the scanner to the processor.
B11:0 is used for program control bits.
Verify the following:
1. Data file (i.e. N9) has 17 consecutive words and the file number and first word are listed in the appropriate fields on the "COMM SETUP" screen in WS100 and the "Remote?" box is checked.
2. Proper driver is selected. This should be the same driver RS Logix 500 would use.
3. Station number of processor correct (can be found in driver configuration)
4. M file setup data (i.e. N10:0 to N10:7) is correct for your setup.
5. Slot location correct in M file references.
