Rockwell Automation 1747-L55x,D174710.4 SLC 500 Ethernet - Manual (Page 66)

A–2 Variable Content TTL:Chap Is Linked To HD:Running
Publication 1747-10.4
The table below describes the general specifications for the SLC 5/05
processors.
Specification 1747-L551 1747-L552 1747-L553
Memory Size 16K Words 32K Words 64K Words
I/O Capacity up to 4096 inputs and 4096 outputs
Maximum Chassis/Slots 3/30
Standard RAM Lithium Battery (2 years)
Memory Back-up Options Flash EPROM
LED Indicators Run, CPU Fault, Battery Low, Forced I/O, Ethernet, RS-232
Typical Scan Time
➀
0.9 ms/K
Bit Execution (XIC) .37
µ
s
Communication
Ch 1: Ethernet (10Base-T)
Ch 0: RS-232
(DF1, ASCII, or DH485 Protocols)
Power Supply Loading at 5V dc 1A
Power Supply Loading at 24V
dc
200 mA
Clock/Calendar Accuracy
±
54 sec/month at 25
°
C (77
°
F)
±
81 sec/month at 60
°
C (140
°
F)
Program Scan Hold-up Time
after Loss of Power
20 milliseconds to 3 seconds (dependent on power supply loading)
Noise Immunity NEMA Standard ICS 2-230
Ambient Temperature Rating
Operating: 0
°
C to +60
°
C (32
°
F to 140
°
F)
Storage: 40
°
C to +85
°
C (–40
°
F to 185
°
F)
Humidity 5 to 95% without condensation
Shock (operating) 30Gs
ibration
Displacement: .015 in., peak-to-peak at 5 to 57 Hz
Vibration
Acceleration: 2.5Gs at 57 to 2000 Hz
Certification
UL listed/CSA approved
Class I, Division 2, Groups A, B, C or D
CE compliant for all applicable directives
➀
The scan times are typical for a 1K ladder logic program consisting of simple ladder logic and communication servicing.
Actual scan times depend on your program size, instructions used, and communication protocol.
Processor General
Specifications