Chapter 4 Data Communications Interface - Toptech MultiLoad II DIV-2 Installation Manual

Chapter 4 Data Communications Interface

The MultiLoad II/ RCU II has four (4) communications ports (see Figure3.3), each with a specific
purpose. The following section provides the information required to select and make the wiring
connections to the ports:
Communication
Interface Type
Port
Comm. Port 0 RS-485
Comm. Port 1 RS-232 or RS-485
Comm. Port 2 RS-232 or RS-485 (2 wire)
Ethernet 10/100MBPS
If a service loop is used, the maximum wire length in the service loop should not exceed
3 inches [75mm].
Separate AC and DC wiring by at least 3 inches [75mm]. Do not allow excess wire in the
service loop to overhang printed circuit board.
Default settings in MultiLoad are: COM O – FCM ; COM 1- HOST , and COM2 – NA.See
the user guide for more details
Only one port may be defined as an FCM, Print or Alibi Log, otherwise, a 'Port Usage
Conflict(s)' message will display upon re-boot. See the user guide for more details
Typical Function
Internal I/O board /
FCM I / FCM II / PCM
Communication
Host Communication (TMS) /
Printer
Ticket Printer/Data Logger
Host Communication (TMS)
4
Chapter
Terminal (Figure 3.3)
TB2
TB3 RS-232
TB4 RS-485
TB5
J3
Cat 5 (or
higher)Cable
20