Calibrating The Temperature Inputs; Cleaning Printed Circuit Boards - ABB Command Series Instruction Manual

Calibrating the Temperature Inputs

Cleaning Printed Circuit Boards

Equipment required:
Thermocouples: 0 to 60 mV source, 0.01 percent accuracy.
•
RTDs: 300 ohm, 0.1 percent accuracy.
•
1. From the main menu, press
. From the setup menu, press
SEL
Press . From the options menu, press
SEL
AI3. Press . If AI3 has not been set as a temperature input from
SEL
the OPTION BRD screen, the warning screen on the left will appear.
Press any key to return to the options menu. If AI3 has been selected
as a temperature input, the calibration screen on the right will appear.
Connect an external 0 to 60 mV source that has an accuracy of
0.01% and follow the instructions on the screen.
L1: MAN L2: MAN
SETUP
WARNING:
THIS AI
CHANNEL IS
NOT SET TO
A TEMP INPUT
PRESS ANY KEY
TO CONTINUE
2. When the soft key below CAL is pressed, the controller will take a
reading of the 0 mV source. Once the reading is taken, the screen will
prompt to connect 60 mV between AI3+ and AI3-. Press the soft key
below CAL. Once the reading is complete, the controller will return to
the options menu. Repeat Steps
bration is complete, the setup menu will appear. Press the soft key
below PROC DSPL to return to the process display.
NOTE: Before handling circuit boards, refer to
DLING PROCEDURES
Equipment required:
Antistatic vacuum.
•
ESD field service kit.
•
Isopropyl alcohol, 99.5 percent electronic grade.
•
Refer to Section 8 for procedures to remove circuit boards.
PREVENTIVE MAINTENANCE PROCEDURES
PREVENTIVE MAINTENANCE
or to highlight SETUP. Press
s t
or to highlight OPTIONS.
s t
or
s
L1: MAN
CONNECT
0 mV
SOURCE
BETWEEN
AI3+, AI3-
PRESS CAL KEY
WHEN READY
ESC
1 and 2 for AI4 if required. After cali-
in Section 2.
to highlight CAL
t
L2: MAN
SETUP
PROC CAL
DSPL
SPECIAL HAN-
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