Sterlco SGBD Series Batch Gravimetric Blenders - Manual (Page 102)

BLN1-600 Chapter 7: Appendix 102 of 110
7-5 Allen-Bradley Communications Manual
The AB blender uses a Micrologix 1500 LRP processor that communicates with the outside world
using DF1 protocol with Ethernet hardware. Its Ethernet speed is 10/100 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 the Panel View that comes with the blender (refer to
blender manual).
Ethernet is the standard that we support, but AB also supports Device Net, DF, and DH485 protocol
to these PLCs. Refer to AB documentation.
The DF1 port is 19200 baud with no parity and a source ID of 1. This is usually not important since
you will be communicating with the Ethernet module instead of directly with the DF1 port. Be sure
that the DCOMM light is on by depressing the COMMS switch under the PLC front panel. After this
light is on then you can touch the ACS icon and enter “5413”, then select Ethernet Setup, program in
you IP address, click “send config to module”, and then wait about 45 seconds for it to program the
new IP address. If you cannot ping the module then reboot the blender and try again 45 seconds after
booting.
Below are the items that can be accessed for the blender:
GENERAL BLENDER INFO
1 (R) plc_version,n23:0 (xx.x)
2 (R) number_of_hoppers,n9:9 (number of hoppers on the blender)
3 (R) maximum_blender_throughput,L15:24,f39:1 (maximum rate blender can achieve)
4 (R) average_batch_time, n16:3 (average amount of time it takes to finish the batch)
5 (R) average_process_rate,L30:30,f39:2 (average rate at which the process is consuming blended
material)
BLENDER STARTING AND STOPPING
1 (R) blender_started,b3:0/0
2 (RW) blender_start_request,b3:0/11 (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,b3:0/8 (toggle this to immediately stop the blender even if the batch is
incomplete, you must also reset this bit after completion)
• ITEMS MARKED (R) ARE READ ONLY AND ITEMS MARKED (RW)
ARE READ/WRITE