Instruction manual
ControlWave Micro Instruction Manual (CI-ControlWave Micro)
Revised Jun-2013 Installation 2-31
2.5 Expanded Communications Module (ECOM)
ControlWave Micros can support up to two optional expanded
communications modules (ECOMs) which you can install only in slots
#3 or #4 (in place of I/O modules). ECOMSs do not have a CPU
component.
Two Types of
ECOM Modules
There are two types of ECOM module:
Type 1 Expansion Communications Module (ECOM1) with one RS-
232 port, one RS-485 serial port, and an optional modem port (see
Figure 2-23)
Type 2 Expansion Communications Module (ECOM2) with two
RS-232 serial ports and two RS-485 serial ports (see Figure 2-24)
Identify the carton holding the ECOM module(s) and remove the
module from that carton.
Figure 2-23. Type 1 ECOM with Two Serial Ports and a Modem