Rockwell Automation 1758-RTU202 DataSite Hardware User Manual - Manual (Page 60)

Publication 1758-UM001D-EN-P - June 2011
60 Specifications
CPU
Attribute Value
Processor 32-bit ARM processor
30 MHz clock frequency
Integrated watchdog timer
Memory 2 M (program Flash)
4 M (data Flash)
1 M (data SRAM)
32 K FRAM
Non-volatile RAM With no power, the Flash storage with lithium battery
retains data for five years.
Clock calendar ±1 minute/month
Integrated function Watchdog timer
Clock
Calendar
4 advanced PID loops for 1758-RTU and 1758-FLO
Pulse Input
Attribute Value
Voltage range 12V…24V DC
Off-state voltage 8V DC
Operating frequency 10 kHz with filters off
30 Hz with filters on
On-state current, min 5 mA
On-state current, nom 6 mA
On-state current, max 13.2 mA
Off-state leakage current 2.5 mA
Nominal impedance 2 k
Ω
Digital Input
Attribute Value
On-state voltage range 8V…24V DC
Off-state voltage range 0V…4V DC
Operating frequency 1 kHz
On-state current, min 3 mA
On-state current, nom 5 mA
On-state current, max 11 mA
Off-state leakage current 2 mA
Nominal impedance 2.4 k
Ω