ABB AC500 PLC - Page 76

Processor Module PM59x-ETH PM59x-
ARCNET
PM59x-ETH
PM59x-2ETH
Binary Min. 0.002 µs Min. 0.002 µs Min. 0.002 µs
Word Min. 0.004 µs Min. 0.004 µs Min. 0.004 µs
Floating point Min. 0.004 µs Min. 0.004 µs Min. 0.004 µs
Max. number of central inputs and outputs
(up to 7 exp. modules):
1
)
Digital inputs 224 224 224
Digital outputs 224 224 224
Analog inputs 112 112 112
Analog outputs 112 112 112
Max. number of central inputs and outputs
(10 exp. modules):
Digital inputs 320 320 320
Digital outputs 320 320 320
Analog inputs 160 160 160
Analog outputs 160 160 160
Number of decentralized inputs and out-
puts
Depends on the fieldbus used
(as an info on the CS31 bus: up to 31 stations with
up to 120 DI / 120 DO each)
Data backup Battery
Data buffering time at 25 °C Typ. 3 years without power supply
Battery low indication Warning issued about 2 weeks before the state of
charge becomes critical
Real-time clock:
With battery back-up x x x
Accuracy Typ. ±2 s / day
at 25 °C
Typ. ±2 s / day
at 25 °C
Typ. ±2 s / day
at 25 °C
Program execution:
Cyclic x x x
Time-controlled x x x
Multitasking x x x
Password protection of user program x x x
Serial interface COM1:
Physical link Configurable for RS-232 or RS-485 (from 0.3 to
187.5 kB/s) pluggable terminal block, spring con-
nection for programming, as Modbus (master/
slave), as serial ASCII communication, as CS31
master
Connection
Usage
Serial interface COM2 (not for
PM5xy-2ETH models):
Physical link Configurable for RS-232 or RS-485 (from 0.3 to
187.5 kB/s) D-sub for programming, as Modbus
(master/slave), as serial ASCII communication
Connection
Usage
Integrated communication module:
Device Specifications
Processor Modules > AC500 (Standard)
2019/04/173ADR010121, 13, en_US76