Hitachi CMU Series User Manual page 150

6.4 Replacing the CMU Module
This section describes how to replace the existing CMU module (one of the models LQP520,
LQP525, or LQP527) with a new one (of that same model).
6.4.1 Replacing the module
What you should get in preparation
① Personal computer (with S10V Base System installed in it)
② RS-232C cable (used, along with the S10V Base System, for connection to the LPU
module's RS-232C interface port)
③ CMU module (LQP520/525/527)
④ 10BASE-T cross cable (used, along with the S10V Base System, for connection to the
CMU module's ET.NET interface port)
⑤ Application programs and setup information stored in the CMU module's memory
Replacement procedure
① Take a note of the following switch setting(s) provided on the existing CMU module's
front panel: the T/M switch setting if the CMU module is of model LQP520; or the ST No.
and BATT.SEL switch settings if it is of model LQP525 or LQP527.
② Take a note of the LADDER and T/M switch settings provided on the LPU module's front
panel.
Power
supply
RS-232C cable
LPU
RS-232C
ET.NET
ET.NET cable
Battery connector
(provided only with the
models LQP525 and
LQP527)
6-49
6 MAINTENANCE
LPU module's toggle and
rotary switches setting
LADDER
RUN STOP
T/M
RESET
ON OFF
LQP520 module's toggle
and rotary switches setting
T/M
U
ST.No.
L
LQP525/527 module's toggle
and rotary switches setting
BATT.SEL
U
ST.No.
L