1-5
Section
! ! "
Item
CPM2C
CPM2A
CPM1A
Analog controls
None
2
2
Clock function
Internal or none
Internal
None
Words containing
time info.
AR 17 to AR 21
AR 17 to AR 21
---
Communications switch
This switch determines
whether communications
are governed by the
standard settings or PC
Setup settings. Also sets
the Programming Device
connection.
This switch determines
whether
communications are
governed by the
standard settings or
PC Setup settings.
None
Battery
Battery
CPU Unit with clock:
Internal lithium battery
backup
CPU Unit without clock:
Capacitor backup or
optional lithium battery
backup
Lithium
None (capacitor
backup only)
Battery
replacement
Possible
Possible
---
Life expectancy/
backup time
CPU Unit with clock: 2-year
lifetime at 25
°
C
CPU Unit without clock
(capacitor): 10-day backup
at 25
°
C
CPU Unit without clock
(lithium battery): 5-year
lifetime at 25
°
C
5-year lifetime at 25
°
C
20-day backup at 25
°
C
Battery error
detection
Supported.
Same as CPM2C.
---
Communications
(in CPU Unit)
Peripheral port
Programming Console
(Set with Communications
Switch.)
Peripheral bus
(Set with Communications
Switch.)
Host Link (with
Slave-initiated
communications)
No-protocol
Programming Console
(auto-detect)
Peripheral bus
(auto-detect)
Host Link (with
Slave-initiated
communications)
No-protocol
Programming Console
(auto-detect)
Peripheral bus
(auto-detect)
Host Link
1:1 PC LInk
1:1 NT Link
RS-232C port
Peripheral bus (Set with
Communications Switch.)
Host Link
No-protocol
1:1 PC LInk
1:1 NT Link
Peripheral bus
(auto-detect)
Host Link
No-protocol
1:1 PC LInk
1:1 NT Link
None
Input time constant
Can be set to 1, 2, 3, 5, 10,
20, 40, or 80 ms. (Default:
10 ms)
Same as CPM2C.
Can be set to 1, 2, 4,
8, 16, 32, 64, or
128 ms. (Default:
8 ms)
Note An optional battery (CPM2C-BAT01) can be mounted to CPU Units without
clocks.
Summary of Contents for CPM2C
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