Prizm_Controls

There is a NOM both in the local rack and the DIO rack.  I managed to get it working! After quite a bit of research I had to do the following: - Hyperterminal to the Mux to set the port settings of the port I wanted to use.  - Set up MSTR instruction to essentially look out the slot of the NOM card (local rack) and point to the Modbus plus address of 31 (the mux) and specify which port of the mux.  The rest fell into place. 

Alright, here's the issue. We have a local rack connected via DIO to a second rack not far away. In that DIO rack we have a NOM card that is connected to a Modbus Bridge/Mux.  Local Rack(NOM Card)---->DIO Rack (CRA Card)----->DIO Rack (NOM Card)-----> Modicon Modbus Bridge/Mux (NW-BM85C002)------> Out port #3 Modbus RTU 232 to a 485 converter and then to the 485 Port on the Multilin 369.  Is this even a supported configuration? We have it all installed and wired and can't seem to get any communication.  If it is supported, what am I missing!? Routing tables in the Mux? PLC is a master and the Multilin is a single non networked slave.  Thanks all. 

Good Morning All,  I have a NOM 212 00 card that I plan on using to talk to 3 Multilin 369's that are Daisy Chained on a 2 wire 485 network. Obviously I will need a 232 to 485 converter as the NOM card Modbus port only utilizes RS 232. I am fairly new to the Modicon world but not to Modbus. I am basically after what function blocks in Proworx 32 a person would use to set up that port and pick and choose registers. Would it be as simple as an MSTR instruction? or what about the XMIT instruction? Any help would be appreciated! 

Thanks for the input. Figured it out. Output from the TIME_TO_INT is in milliseconds. The -11072 was displayed as an INT. I changed the output tag to be defined as a TIME data type as well. I ended up dividing it by 1000 before converting it to an Integer in Structured Text. HMI is happy as a clam and it works well. Thanks all for the quick response, its greatly appreciated!

So i have a bit of a dilemma and am feeling rather confused. I have a TIME_TO_INT FFB. The input to the FFB is t#2m and the output of the block is -11072. This value is being divided by 1000 and presented to the HMI. HMI's goal is to be showing a number represented in seconds. This is existing logic and obviously there is issues with it. Can anyone help and shed some light? How to intepret the output of the TIME_TO_INT block? Thanks all.