14247390.02 11/2019 EN/DE/FR/ES
20
WIKA operating instructions, pressure sensor, model A-1200
EN
9. Specifications
Specifications
IO-Link
Revision
1.1
Transmission rate
38.4 kBaud (COM2)
Min. cycle time
2.3 ms
Master port class
A
Zero point setting
max. 3 % of span (via IO-Link)
Damping of switching outputs
0 ms ... 65 s (adjustable via IO-Link)
Switch-on time
1 s
Switching thresholds
Switch point 1 and switch point 2 are individually adjustable via IO-Link.
Switch point 1 can be set to the prevailing pressure value using the teach function.
Switching functions
Normally open, normally closed, window, hysteresis (adjustable via IO-Link)
The switching function of switch point 1 can be set to normally closed or normally open using
the teach function.
Switching voltage
Supply voltage - 1 V
Switching current
max. 250 mA
For details, see the derating curve on page 24
Response time of switching
output
≤ 5 ms
Service life
100 million switching cycles
Voltage supply
Supply voltage
DC 10 ... 32 V
The power supply for the pressure sensor must be made via an energy-limited electric circuit in
accordance with section 9.3 of UL/EN/IEC 61010-1 or an LPS to UL/EN/IEC 60950-1 or class 2
in accordance with UL1310/UL1585 (NEC or CEC).The voltage supply must be suitable for
operation above 2,000 m should the pressure sensor be used at this altitude.
Current consumption
20 mA
Total current consumption
≤ 0.3 A incl. switching current (with one switching output)
≤ 0.6 A incl. switching current (with two switching outputs)
Accuracy specifications
Accuracy, switching output
≤ ±1 % of span (option: ≤ ±0.5 % of span)