ALM-04-MRTU User’s Manual
ALM-04-MRTU
User’s Manual (Rev1.0, Jan./2020) ------------- 6
1.2
Specifications
Table 1-1
:
System Specifications
Communication
Interface
RS-485
Parity, Data bit, Stop bit
None/Odd/Even, 8, 1/2
Baud Rate
300 ~ 115200 bps
Protocol
Modbus RTU
Watchdog
Yes, 1.8s
LED Indicators
Power/Status
One 2 colors LED, Blue for System status,
Red for Alarm status.
Protection
ESD (IEC 61000-4-2)
±8 kV Air for Random Point
EFT (IEC 61000-4-4)
±2 kV for Power
Waterproof(IEC 60529)
IP54 (Panel Mount Upright Position)
Power Requirements
Input Voltage Range
9 ~ 28 VDC with Reverse Protection (Vin to GND)
Power Consumption
0.48 W Standby.
Mechanism
Dimensions(WxLxH)
72 mm x 72mm x 22 mm
Installation
Panel Mount/Wall Mount/DIN-Rail Mounting
Environment
Operating Temperature
-20℃ ~ +75℃
Storage Temperature
-30℃ ~ +85℃
Humidity
10% ~ 85% RH, Non-condensing