Specifications

Chapter 6 - 040 Processor Module
74 Adept MV Controller User’s Guide, Rev C
RS-232/Term Connector (on 040 Module)
The RS-232/Term connector (lower connector on front of module) is a DB-25F, 25-pin
female connector. The pin assignments and locations are shown in Figure 6-2 and
Table 6-2. The connector is configured as a DCE device (Data Circuit-terminating
Equipment). If you are connecting to a device, such as a terminal, configured as DTE (Data
Terminal Equipment), you should connect directly (pin 2 to pin 2, pin 3 to pin 3, etc.) If
you are connecting to another DCE device, you will need to cross over signals as
appropriate with a null modem (see page 66).
The port supports DTR, RTS and CTS signals, used for “hardware handshake”, also
known as “modem control”. By default, these signals are not enabled. To configure the
port speed and other communications parameters, use the
CONFIG_C
utility program, the
V
+
FSET
program instruction or the
FSET
monitor command. This port is designated
LOCAL.SERIAL:2
.
Used in an S-Series System
If the controller is an S-Series model, then the customer-supplied ASCII terminal plugs
into this connector on the main system processor; see Table 6-3 and the terminal
installation information in Section 4.9 on page 54. If you have more than one processor
module, the terminal is always connected to the main processor.
Used in an A-Series System
If the controller is an A-Series model, then this connector can be used for general serial
communication. However, you can redirect the monitor output of an A-Series system to
this connector on the primary 040 module using a DIP switch on the SIO module; see
section 7.2 for information on that switch.
Figure 6-2. RS-232 Connector on 040 Module
(25-Pin Female DB-25F, lower connector)
Pin 13
Pin 1
Pin 25
Pin 14
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