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882.00207.00 Chapter 7: Appendix 94 of 102
7-6 Mitsubishi Communications Manual
The Mitsubishi blender uses a FX-2N processor that communicates with the outside world using
MELSEC FX protocol over Ethernet hardware. It’s Ethernet speed is 10 Mbits/second. The blender
must be purchased from ACS with the Ethernet option. If this was not done at the time of purchase
it can be added afterwards by consulting the factory. The blender has a programmable IP address
and subnet mask that can be programmed from software that is provided by DIGI for the Ethernet
module (refer to their manual).
Ethernet is the standard that we support, but Mitsubishi also supports Profibus and MELSEC Serial
communications. Refer to Mitsubishi for parts and information.
The communications port settings on the PLC are: 19,200 baud; 8 data bits; no parity;1 stop bit;
software flow control.
The communications must also be enabled. From the main screen touch the “next” button to go to
the “inventory” page. Touch “Log in” and type in “5413”. Then touch the “ACS logo” and this will
take you to setup. Touch the “Network Setup” button and ensure that communications is enabled. If
it wasn’t then you’ll need to change it and then reboot the PLC for it to take effect. The Ethernet
module takes about 45 seconds to regain communications upon boot.
Below are the items that can be accessed for the blender:
GENERAL BLENDER INFO
1 (R) plc_version,D1942,SHORT VALUE (xx.x)
2 (R) number_of_hoppers,D1702,SHORT VALUE (number of hoppers on the blender)
3 (R) maximum_blender_throughput,D1056,LONG VALUE(maximum rate blender can achieve)
4 (R) average_batch_time, D1938,SHORT VALUE (average amount of time it takes to finish the
batch)
5 (R) average_process_rate,D1334,LONG VALUE (average rate at which the process is consuming
blended material)
BLENDER STARTING AND STOPPING
1 (R) blender_started,M500
2 (RW) blender_start_request,M540 (toggle this to start or stop the blender, blender will switch it’s
current status, you must also reset this bit after completion)
3 (RW) abort_batch_request,M508 (toggle this to immediately stop the blender even if the batch is
incomplete, you must also reset this bit after completion)
Note: Items marked (r) are read only and items marked (rw) are read/write.