Page 84 - PLC Automation

82 MAIN CATALOG PLC AUTOMATION

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AC500-eCo
Technical data

AC500-eCo CPUs
Type PM554-TP PM554-RP PM554-RP-AC PM554-TP-ETH PM556-TP-ETH
Supply voltage 24 V DC 100-240 V AC 24 V DC
Current consumption on 24 V DC 100 V AC 240 V AC 24 V DC
Min. (module alone) 0.06 A 0.08 A 0.02 A 0.012 A 0.07 A 0.07 A
Max. (I/Os) 0.18 A 0.22 A 0.2 A 0.11 A 0.19 A 0.19 A
Type of processor / Processor clock frequency Freescale ARM Processor 32-bit / 50 MHz
03
Total RAM memory / Total Flash memory 16 MB / 4 MB
Total user program memory (3) 142 kB 654 kB 1666 kB
User program code 128 kB 512 kB
User data memory 14 kB thereof 2 kB saved 130 kB thereof 2 kB saved
Web server's data for user RAM disk – 512 kB 1024 kB
Data buffering (of saved data) flash memory
Real-time clock (option with battery 
back-up) (1)
Program execution
Cyclical 
Time controlled 
Multi tasking no, 1 task + 1 interrupt task max.
Interruption 
User program protection by password 
Cycle time for 1 instruction (minimum)
Binary / Word / Floating 0.08 µs / 0.1 µs / 1.2 µs
Onboard digital inputs
Channels 8 (including 2 counter inputs, or up to 4 interrupt inputs)
Signal voltage 24 V DC
Onboard digital outputs
Channels 6 (including 2 PWM outputs for types with transistor outputs)
Relay / Transistor Transistor Relay Relay Relay Transistor Transistor
Rated voltage 24 V DC 240 V AC 240 V AC 240 V AC 24 V DC 24 V DC
Nominal current per channel 0.5 A 2 A resistive 2 A resistive 2 A resistive 0.5 A 0.5 A
Onboard analog outputs
Channels -
signal ranges -
Onboard analog inputs
Channels -
signal ranges -
Max. number of centralized inputs/outputs
Max. number of extension modules up to max. 10 (S500 and/or S500-eCo modules allowed)
on I/O bus
Digital inputs 320 + 8
outputs 320 + 6
Analog inputs 160
outputs 160
Max. number of decentralized inputs/outputs
On CS31 bus up to 31 stations with up to 120 DI / 120 DO each or up to 32 AI/32 AO per station
Internal interfaces
COM1
RS485 
Sub-D connection 
Programming, Modbus-RTU, ASCII, 
CS31
COM2 (option) (2)
RS485 / RS485 isolated  / 
Terminal block 
Programming, Modbus-RTU, ASCII 
Ethernet
RJ45 – 
Ethernet functions: Programming, – 
Modbus TCP/IP, UDP/IP, integrated
Web server, DHCP, FTP server,
SNTP client
SMTP – 
RUN/STOP switch 
LED for power, status and error 
Approvals See detailed page 272 or www.abb.com/plc
(1) Real-time clock requires optional TA561-RTC or TA562-RS-RTC. (2) COM2 requires TA562-RS-RTC, TA562-RS or new TA569-RS-ISO.
(3) Total user program memory: contains user program code, data and web server