Haiwell PLC -- Load Cell Module User Manual
4 / 24
4. Environmental Specification
Item
Environment Specification
Temperature/humidity
Operating temperature:0~+55
℃
Storage temperature:-25~+70
℃
Humidity: 5~95%RH, No condensation
Anti Vibration
10~57 HZ, amplitude=0.075mm, 57HZ~150HZ acceleration=1G, 10 times each for X-axis, Y-axis and Z-axis
Anti Shock
15G, duration=11ms, 6 times each for X-axis, Y-axis and Z-axis
Anti jamming
DC EFT:±2500V Surge:±1000V
Operating environment
Avoid dust, moisture, corrosion, electric shock and external shocks
5. Module Parameter Table
Item
Specification
Power supply
24VDC
±
20%
，
0.2A
A/D conversion method
24Bits
△
Σ
A/D conversion speed
7.5/15/30/60/120/240/480/960Hz
Internal resolution
24bits
linearity error
Static weighing
≤ 0.02% FS
Excitation Voltage
5VDC ±5% , 125mA ( it can connect with 4 load Cells each 35
0 Ω )
Sensor sensitivity
1mV/V~5 mV/V
Load Cell form
4- line connection or 6-line connection load Cells
Maximum distance to
connect the sensor
100 meters
6. Load Cell Connections
Wiring Diagram (First generation load cell module)
4-wire sensor and instrument connection 6
-
wire sensor and instrument connection
Wiring Diagram (Second generation load cell module)
SIG+
EXC+
SIG-
EXC-
EXC+
EXC-
SIG+
SIG-
4芯传感器与仪表接线图
SHD
传感器
屏蔽电缆
激励正
激励负
屏蔽线
信号正
信号负
SIG+
SIG-
EXC+
EXC-
SHD
SIG+
SIG-
6芯传感器与仪表接线图
传感器
屏蔽电缆
激励正
激励负
屏蔽线
信号正
信号负
EXC+
SEN+
EXC-
SEN-
EXC+
EXC-
4-wire sensor and instrument connection 6
-
wire sensor and instrument connection
7. Multiple-load-Cell Parallel Connections
8. Terminal connection diagram
Load Cell
Load Cell
Load Cell
Load Cell
Load Cell
Load Cell
Load Cell
Load Cell
Load Cell
Load Cell
Load Cell
Load Cell
