Mitsubishi Electric MELSEC-A User Manual page 14

1.
GENERAL' DESCRIPTION
MELSEC-A
1. GENERAL DESCRIPTION
This User's Manual describes how to use the AJ71 UC24 type computer
IinWmultidrop module (hereinafter called the AJ71 UC24).
This manual covers the specifications and functions that cannot be found
in the User's Manual for the AJ71C2468 computer link module (10-66360).
For specifications and functions not contained herein, see the User's Man-
ual for the AJ71C24-S8 prior to use of the AJ71UC24.
The AJ71UC24 is a modified version of the conventional AJ71C24-S8,
equipped with an inexpensive multidrop link function using an RS-4221485
interface.
The following terminal resistances are packed with the module:
330
a,
112 W (for RS-422 communications)
110
a,
112 W (for RS-485 communications)