Allen-Bradley MicroLogix 1100 Instruction Set Reference Manual

Publication 1763-RM001C-EN-P - October 2009
Protocol Configuration 523
DF1 Radio Modem System Limitations
The following questions need to be answered in order to determine if you
can implement the new DF1 Radio Modem driver in your radio modem
network:
1. Do all of the devices support DF1 Radio Modem protocol?
In order to be configured with the DF1 Radio Modem driver, using
RSLogix 6.0 or higher, MicroLogix 1200 controllers must be at FRN 7
or higher and MicroLogix 1500 controllers must be at FRN 8 or
higher.
SLC 5/03, 5/04 or 5/05 processors must all be at FRN C/6 or higher
in order to be configured with the DF1 Radio Modem driver using
RSLogix 500 version 5.50 or higher.
All MicroLogix 1100 controllers support DF1 Radio Modem protocol.
RSLogix 500 version 7.0 or higher is required to configure the
MicroLogix 1100.
Starting with Version 16.1, all Logix controllers can be configured for
DF1 Radio Modem protocol.
2. Does each node receive the radio transmissions of every other node,
being both within radio transmission/reception range and on a
common receiving frequency (either via a “Simplex” radio mode or
via a single, common, full-duplex repeater)?
If so, then go to question #3 to see if you can use the DF1 Radio
Modem driver to set up a peer-to-peer radio network. If not, then
you may still be able to use the DF1 Radio Modem driver, by
configuring intermediary nodes as Store & Forward nodes.
3. Do the radio modems handle full-duplex data port buffering and
radio transmission collision avoidance?
If so, and the answer to #2 is yes as well, then you can take full
advantage of the peer-to-peer message initiation capability in every
node (i.e., the ladder logic in any node can trigger a MSG instruction
to any other node at any time). If not, then you may still be able to
use the DF1 Radio Modem driver, but only if you limit MSG
instruction initiation to a single “master” node whose transmission
can be received by every other node.
4. Can I take advantage of the SLC 5/03, 5/04 and 5/05
channel-to-channel passthru to remotely program the other SLC and
MicroLogix nodes using RSLinx and RSLogix 500 running on a PC
connected to a local SLC processor via DH+ or Ethernet?
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Allen-Bradley MicroLogix 1100 Specifications

General

Processor	32-bit
Programming Software	RSLogix 500
Mounting	DIN rail or panel mount
Power Supply	24V DC
Type	Compact PLC
Digital Inputs	12
Digital Outputs	8
Analog Inputs	4 (depending on model)
Analog Outputs	Optional with expansion module
Programming Language	Ladder Logic
Operating Temperature	0 to 55 °C (32 to 131 °F)
Series	MicroLogix