Section 9 Technical Data PM 902F, PM 901F
M&I – AC 900F Controller 125
PM 902F, PM 901F
Application
Electrical data
Mechanical data
Power
Program memory
RAM buffering
PM 902F, Standard CPU module (8 MB, 4x ETH, 800 MHz)
PM 901F, Lite CPU module (3 MB, 3x ETH, 400 MHz)
Rated input voltage 24 V DC
Input voltage range 19.2 - 32.5 V AC
Rated input current 1 A
Power dissipation in module < 18 W
External fuse, recommended 4 AT as per IEC/EN 60127-2/V
Fuse breaking capacity high
DC-IN connector 5-pin, pluggable, spring connection
Power supply cable, recommended 0.75 mm
2
, L > 1 m
Dimensions W x H x D 227 x 152 x 95 mm
Weight 1.07 kg
Type of protection IP 20
CPU pulse frequency 800 MHz, PM 902F
400 MHz, PM 901F
Application and data, battery-
buffered
8 MB, PM 902F
3 MB, PM 901F
Application and data 16 MB
Buffer time at Ta +40 °C > 2 years
Residual buffer time 14 days, after warning
Real-time clock with buffer battery Ye s
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