Walchem WebAlert WA500, Инструкция по эксплуатации

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2
2.0 SPECIFICATIONS
2.1 Measurement Performance
4-20 mA Inputs
Range 3.75-20.25 mA
Resolution 0.03 mA
Calibration ± 1 mA
2.2 Electrical
Inputs
Input power 100 – 120/220-240 VAC ±10%, 1A, 50/60 Hz Fuse 1.0A, 5 x 20mm
Input signals
State-Type Digital Inputs Electrical: Non-Isolated 5 VDC with 301 K ohm pull-up
Typical response time: < 10 seconds
Devices supported: Any isolated dry contact (i.e. relay, reed switch)
Support on inputs: 1 through 6
Types: Generic input
Low Speed Counter-Type Digital
Inputs
Electrical: Non-Isolated 5 VDC with 301 K ohm pull-up, 0-10 Hz, 50 msec
minimum width
Devices supported: Any device with isolated open drain, open collector,
transistor or reed switch
Support on inputs: 1 through 4
Types: Contacting flowmeter, Generic counter
High Speed Counter-Type Digital
Inputs
Electrical: Non-Isolated 5 VDC with 301 K ohm pull-up, 0-400 Hz, 1.25 msec
minimum width
Devices supported: Any device with isolated open drain, open collector,
transistor or reed switch
Support on inputs: 1 through 4
Types: Paddlewheel flowmeter, Generic counter
Analog Inputs (1-6) 4-20 mA, 2-wire or 3 -wire, internally powered by 24 VDC, 110 ohm input
resistance, 1000 ohm maximum load , Typical response time < 10 seconds
Outputs
Solid State Relay: Dry Contact, 0 to 40 VDC, NO AC VOLTAGE, 150 mA maximum load
Digital: USB
Ethernet, 10 Base T
Agency Approvals
Safety UL 61010-1:2012 3rd Ed.
CSA C22.2 No. 61010-1:2012 3rd Ed.
IEC 61010-1:2010 3rd Ed.
EN 61010-1:2010 3rd Ed.
EMC IEC 61326-1:2005
EN 61326-1:2006
Note: For EN61000-4-6, EN61000-4-3 the controller met performance criteria B.
*Class A equipment: Equipment suitable for use in establishments other than domestic, and those
directly connected to a low voltage (100-240 VAC) power supply network which supplies buildings
used for domestic purposes.