JIAXING EASTRON ELECTRONIC INSTRUMENTS CO.,LTD.
TEL:0086-573-83698881
83698882
FAX: 0086-573-83698883
WEB:
www.eastrongroup.com
Email:
Add: No.1369. Chengnan Road, Nanhu, Jiaxing, Zhejiang, China 314001.
- 24 -
5.5.2
5.5.2
5.5.2
5.5.2 RS485
RS485
RS485
RS485 Output
Output
Output
Output for
for
for
for Modbus
Modbus
Modbus
Modbus RTU
RTU
RTU
RTU
For Modbus RTU, the following RS485 communication parameters can be configured from the Set-up
menu:
Baud
Baud
Baud
Baud rate
rate
rate
rate
2400, 4800, , 9600, , 19200, 38400
Parity
Parity
Parity
Parity
none/odd/even
Stop
Stop
Stop
Stop bits
bits
bits
bits
1 or 2
RS485
RS485
RS485
RS485 network
network
network
network address
address
address
address
nnn
– 3-digit number, 1 to 247
Modbus
Modbus
Modbus
Modbus™
™
™
™ Word
Word
Word
Word order
order
order
order
Hi/Lo byte order is set automatically to normal or reverse. It cannot be
configured from the set-up menu.
5.6
5.6
5.6
5.6 Reference
Reference
Reference
Reference Conditions
Conditions
Conditions
Conditions of
of
of
of Influence
Influence
Influence
Influence Quantities
Quantities
Quantities
Quantities
Influence Quantities are variables that affect measurement errors to a minor degree. Accuracy is verified
under nominal value (within the specified tolerance) of these conditions.
Ambient temperature
23°C ±1°C
Input waveform
50 or 60Hz ±2%
Input waveform
Sinusoidal (distortion factor < 0·005)
Auxiliary supply voltage
Nominal ±1%
Auxiliary supply frequency
Nominal ±1%
Auxiliary supply waveform (if AC)
Sinusoidal (distortion factor < 0·05)
Magnetic field of external origin
Terrestrial flux
5.7
5.7
5.7
5.7 Environment
Environment
Environment
Environment
Operating temperature
-25°C to +55°C*
Storage temperature
-40°C to +70°C*
Relative humidity
0 to 90%, non-condensing
Altitude
Up to 2000m
Warm up time
1 minute
Vibration
10Hz to 50Hz, IEC 60068-2-6, 2g
Shock
30g in 3 planes
*Maximum operating and storage temperatures are in the context of typical daily and seasonal variation.
5.8
5.8
5.8
5.8 Mechanics
Mechanics
Mechanics
Mechanics
DIN rail dimensions
72 x 94.5 mm (WxH) per DIN 43880
Mounting
DIN rail (DIN 43880)
Sealing
IP20 (minimum)
Material
Self-extinguishing UL 94 V-0
