Hach-Lange RTC113 ST-Module - Manual (Page 7)

7
Section 1 Technical data
These are subject to change without notice.
Embedded PC (compact industrial PC)
Processor
Pentium ®1 , MMX compatible, 500 MHz clock rate
Flash memory 2 GB compact flash card
Internal working memory 256 MB DDR-RAM (not expandable)
Interfaces 1× RJ 45 (Ethernet), 10/100 Mbit/s
Diagnostic LED
1× power, 1× LAN speed, 1× LAN activity, TC status,
1× flash access
Expansion slot 1× CompactFlash type II slot with ejector mechanism
Clock
Internal, battery-buffered clock for time and date (battery can be
replaced)
Operating system Microsoft Windows ®2 CE or Microsoft Windows Embedded Standard
Control software TwinCAT PLC Runtime or TwinCAT NC PTP Runtime
System bus 16 bit ISA (PC/104 standard)
Power supply Via system bus (through power supply module CX1100-0002)
Max. power loss 6 W (including the system interfaces CX1010-N0xx)
Analog inputs 0/4 to 20 mA for input of the feed flow rate and the polymer flow rate
Number of inputs
One-channel: 2 (KL3011)
Two-channel: 4 (KL3011)
Internal resistance 80 ohm + diode voltage 0.7 V
Signal current 0/4 to 20 mA
Common mode voltage (U
CM
) 35 V max.
Measurement error (for entire measurement
range)
< ± 0.3 % (from end value of measurement range)
Voltage surge resistance 35 V DC
Electrical isolation 500 V
eff
(K-bus/signal voltage)
Digital inputs Enabling of the open-loop control (thickened sludge pump on/off)
Number of inputs 2 (KL1002)
Nominal voltage 24 V DC (-15 % / +20 %)
Signal voltage "0" –3 to +5 V
Signal voltage "1" 15 to 30 V
Input filter 30 ms
Input current 5 mA (typ.)
Electrical isolation 500 V
eff
(K-bus/field voltage)