Selectron CPU 72 Series User Manual

CPU 72x
24.05.2019 page 25
Technical Data
CPU 725-LTH
CPU 727-TH
Overall failure rate
1)
λ = 3552 FIT
λ = 3552 FIT
Processor
80C167
80C167
Backup FEPROM
512 kB
1 MB
of which available for user-program
and data
128 kB
896 kB
RAM memory
256 kB
1 MB
serial EEPROM
2 kB
2 kB
RAM buffered with lithium battery
No
Yes
Power supply
Nominal value
36 Vdc
Limits
25.2…45.0 Vdc
Powerfail threshold
17 Vdc
Power consumption typ.
2.6 W
Communications interface for programming
and data input / output
RS-232
CAN interface
1
Digital inputs 36 Vdc
8
Digital outputs 36 Vdc / 0.5 A
8
Expandable with
digital I/Os
Yes
Yes
analog I/Os
Yes
Yes
Slot for 1 MB flash cassette
No
Yes
RTC buffered
No
Yes
Ambient temperatures
Operation
-25…+70°C
Storage
-40…+85°C
Index of protection
IP40
Dimensions (W×H×D)
155 × 85 × 58 mm
Weight
360 g
Article no.
44120365
44120326
1)
λ: Overall failure rate


MTBF =
10
9
λ[FIT]
; λ[FIT] =
10
9
MTBF
Device-specific accessories
Article
Art.no.
Description
RBA 721
44170224
Replacement battery for CPU 72x-T (except CPU 727-DT)
TBA 710
44170016
Terminal block set for CPU 725/727 with spring terminals
TBA 720
44170033
Terminal block set for CPU 723-T with spring terminals
TBA 730
44570106
Connection terminal for CPU 72x and DDC 72x
FMC 701-T
44170232
Flash cassette with 1MB Flash EPROM

Selectron CPU 72 Series Specifications

General

Brand	Selectron
Model	CPU 72 Series
Category	Computer Hardware
Language	English