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CR300-Series Datalogger
48
7.9 Pulse-Width Modulation – Specifications
Terminals:
SE
terminals
1-4
Period
Maximum:
2047 ms
Resolution
0 – 5 ms:
83.33 ns or 12 MHz
5 – 325 ms:
5.00 µs or 200 kHz
> 325 ms:
31.25 µs or 32 kHz
7.10 Communication – Specifications
Internet Protocols:
PPP, ICMP/Ping, Auto-IP (APIPA), IPv4,
IPv6, UDP, TCP, TLS, DHCP Client, SLAAC,
DNS Client, Telnet
Additional
Protocols Supported:
PakBus, SDI-12, Modbus RTU, Modbus
ASCII, Modbus TCP/IP, DNP3, custom user-
definable over serial.
Data File Formats:
CSV, XML, JSON, binary, encrypted
USB:
USB micro-B device only, 2.0 full-speed 12
Mbps, for computer connection.
RS-232:
Female RS-232, 9-pin interface
1200 to 115.2 kbps
Serial:
One TX/RX pair (terminals
C1/C2
)
0 to 5 V output, 3.3 V input
1200 to 115.2 kbps
SDI-12:
Two independent SDI-12 V1.3 compliant
terminals (
C1, C2
) configurable as sensor or
recorder
7.11 System – Specifications
Operating Temperature:
–40 to 70 °C
Processor:
ARM Cortex M4 running at 144 MHz
Memory
CPU Drive / Programs:
5 MB flash
Data:
10 MB flash
Operating System (OS):
2 MB flash
Clock Accuracy:
±1 minute per month
Clock Resolution:
1 ms
Program Execution Interval:
100 ms to 1 day
Содержание CR300 series
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