Delta RMC101 User Manual download pdf (Page 503)

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101

Serial (RS-232/422/485) 5.5

Communications 5-253

• Communication Command: From this drop-down list, select PLC-5 Typed Read

to read values from the RMC, or PLC-5 Typed Write to write values to the RMC.

• Data Table Address: Enter the address of the first Allen-Bradley PLC register to

read RMC registers into, or to write to RMC registers from.

• Size in Elements: Enter the number of RMC registers to read or write in this field.

Transfers are limited to 1000 bytes for PLC-5 Typed Reads and Writes. Therefore,

this limit is 500 integers, 250 floats, etc. Notice that this limit is larger than the

number of elements in the RMC's N-files. Reads or writes that extend beyond the

end of a register file will continue into the next register file. For example, reading

300 elements from N9:0 will read N9:0 to N9:255, then N10:0 to N10:43.

• Port Number: Set this to the channel number of the serial port you want to use.

• Target Device: This section holds parameters for the target device.

• Data Table Address: Enter the address of the first RMC register to read or write in

this field. See the RMC Register Map (Allen-Bradley) for help on addresses.

• MultiHop: This parameter should be set to No.

• Local Node Addr (dec): Enter the node address of this RMC. The node address of

the RMC is set up in the Serial Module Options dialog box, which is described in

Configuring the RMC SERIAL. The node address entered on that screen is in

decimal, so it is recommended that you enter the same number in the dec field.

• Allen-Bradley SLC 5/0x

The SLC 5/05 MSG block is displayed as the following:

• Type: This parameter is always set to Peer-to-Peer for serial communication channels.

• Read/Write: This parameter should be set to Read to read registers from the RMC, and to

Write to write registers to the RMC.

• Target Device: This parameter has possible values of 500CPU, 485CIF, and PLC5. This

should be set to PLC5 or 500CPU for communicating with the RMC.

• Local/Remote: This parameter has possible values of Local and Remote. This will be set to

Local when the RMC is on the same serial network as the SLC.

• Control Block: This parameter points to a block of 12 integer-file registers. Set this to a

block of registers, and then use the Setup Screen option in the MSG ladder logic block to

modify those register values:

1 2 ... 498 499 500 501 502 503 504 505 506 507 508 ... 950 951

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Delta RMC101 User Manual Page 503

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