A-BBulletin 1203 Serial Communications Module

Product Description Chapter Objectives In this chapter, you will read about:
Communications Module features
Location of configuration switches Module Description The Serial Communications Module is an optional interface device designed to provide a direct, digital link between serial communications devices and any device that uses SCANport. The current list of products that use SCANport includes: 1305, 1336 PLUS, 1336 FORCE, and SMP3 controllers. The module connects to these products through the SCANport port. The Communications Module is available in both Open style (Figure 2.1) and Enclosed (Figure 2.2) type configurations. The Open style module mounts inside certain drives, depending on drive size (see Table 2.A for details). The Enclosed module mounts independently and can be used with any compatible SCANport device.

Installation Chapter Objectives In this chapter you will learn how to: 

Mount the Communications Module 

Configure the Communications Module 

Connect power 

Connect SCANport and serial communications cables Read this chapter completely before you attempt to install or configure your Communications Module. Double check all connections and option selections before you apply power. IMPORTANT: Switch selections take effect only on power-up. If selections are changed after power is applied, cycle the power to use the new settings. Setting Module This publication describes switches as being either on or off. If the switch Configuration Switches assembly has the word OPEN printed on it, the word OPEN corresponds to OFF (0). When making configuration changes to the Communications Module, use the addressing conventions of the PLC/SLC processor or serial device through which you are communicating. In all cases, each serial device must have a unique address the target processor can recognize.

Switch SW1 Switch SW1 is used to select:
Serial communications mode (RS232/RS422/RS485)
Communications Module address