Version: 1.06 126
Internal Battery
(see schema following)
Voltage 3 V
Use Backup of Clock and RAM (datalogging)
Lifetime
CPU under voltage: 10 years
CPU stopped and plugged on the Rack:
- Typical 265 days
- Minimum: 29 days
WARNING:
After this time, the battery must be replaced to maintain the
clock and datalogging.
Memory
Flash Internal: 256 kbytes
- OS: 192 kbytes
- application: 32 kbytes
- program (BASIC/Ladder): 16 kbytes
- loader: 16 kbytes
External: 512 kbytes: Web Files, Report
RAM Internal: 20 kbytes
External (backed up): 128 kbytes
- datalogging: 72 kbytes
- application: 32 kbytes
- buffer TCP: 24 kbytes
RS 232
Connector 9 pin Sub-D (male)
Cabling
(see schema next)
DTE model (same as PC)
4 Wires: TxD, RxD, RTS, CTS
Protocol ModBus-RTU ‘Slave’
LED RxD: ON when receiving
TxD: ON when transmitting
RS 485
Connector Screw connector (3 x 5.08mm)
Cabling
(see schema next)
2 Wires + GND
Protocol ModBus-RTU ‘Master’ and ‘Slave’
LED RxD: ON when receiving
TxD: ON when transmitting
Isolation No isolation between signal and Power Supply
Number of slaves 256 (if RS485 technology of slaves allows it too)
Termination Termination not required.
Failsafe bias
resistors included: pullup and pulldown resistors which
assures a logical level TRUE when A and B are opened or in short-circuit.
Ethernet
Model 100 BASE-TX (4 wires)
Full Duplex
Auto-negociation
Connector RJ-45
Cabling
To a Hub, …: with straight pinned CAT5 cable
To a PC: with a Crossover CAT5 cable (see cabling following)
Speed 10/100 Mbits
Protocols ModBus/TCP ‘Master’ and ‘Slave’, SMTP, FTP, HTTP, Ping
LED 100: ON when connected at 100 Mhz – OFF when connected at 10 Mhz
Lk: ON when linked – FLASH when communicating
FD: ON when in Full Duplex
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