Watlow CPC400 Manual de usuario Pagina 117

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CPC400 Series User’s Guide Chapter 5: Menu and Parameter Reference
Doc. 0600-2900-2000 Watlow Anafaze 103
Digital Output Alarm Polarity
Choose the polarity of all digital outputs used for alarms.
This setting does not apply to the global alarm output or
the CPU watchdog output.
Values: See Table 5.6. For serial communications and Log-
icPro, this parameter is stored as the fifth bit of the system
command word, so set or read only that bit.
Default: on (0)
Modbus Address: 40790, fifth bit
Parameter Number: 49
LogicPro Driver: Database
LogicPro Address: 49.1, fifth bit
Table 5.6 Digital Output Alarm Polarity
Model and Firmware Version
The last parameter in the Global setup menu shows the
controller model (CPC404 or CPC408), the firmware ver-
sion (Vxx.xxX), and the flash-memory checksum
(CS=xxxx).
To retrieve the firmware version through serial communi-
cations or LogicPro, see Firmware Version on page 135.
NOTE!
The checksum is not affected by loading or
changing a logic program. The checksum is de-
termined only by the content of the closed-loop
control program.
Display
Value
Modbus or
Logic Value
Description
on
0
Digital alarm outputs sink current to analog common when an alarm
occurs.
off
1
Digital alarm outputs stop sinking current to analog common when
an alarm occurs.
lD/O alarm r
polarity bon
lCPC408 r
V01.00X CS=1234
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