Toshiba LF620F Instruction Manual page 153

Electromagnetic flowmeter converter
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Digital output function: Select one of the following:
Totalization pulse output:
・ Multi-range switching output: In the case of fourfold range or forward/reverse
・ High and low alarm output
・ High-high and low-low alarm output
・ Empty alarm output
・ Preset counter output
・ Converter malfunction alarm output
・ Multiple range high and low limit alarm output
Output display: Full-dot matrix 128 x 128-dot LCD (with back light)
Communication signal
Method (protocol): HART or PROFIBUS (option), Modbus (option)
Load resistance:
Load capacity:
Structure
IP67 and NEMA 4X
Housing
Aluminum alloy
Coating
Acrylic resin-baked coating, metallic-gray colored
Cable connection port
1/2-14NPT thread
Cable connections not provided.
Surge arresters
Surge arresters are installed in the power supply and current signal output circuit.
Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com
Max. 10kHz(10000pps) ・・・ DO1
Pulse rate
Max. 100Hz( 100pps) ・・・ DO2
Pulse width
Can be set within a range of 0.3 to 500ms.
However, must be 40% or less of the full-scale cycle.
If the full scale 1000pps is exceeded,
automatically set to 40% of the full-scale cycle.
double range, the digital output is used by two
points.
240 to 750Ω (HART)
0.25μF or less (HART)
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