HF197AEN_v0501_04
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Analog output
Function
setpoint output signal.
Resolution 10-bit.
Accuracy
error < 0.05% - update 10 times a second.
Software function to calibrate the (0)4.00mA and 20.00mA / 0 and 10V levels precisely.
Load
max. 1 kOhm
Type AA
Active 4-20mA output (requires type OA + PD, PF or PM).
Type AB
Active 0-20mA output (requires type OA + PD, PF or PM).
Type AF
Floating 4-20mA output for Intrinsically Safe applications (isolated output)
Type AI
Galvanically isolated output - also for battery powered models.
Type AP
Passive 4-20mA output - output loop powered (type PX)
Type AU
Active 0-10V output (requires type OA + PD, PF or PM).
Alarm outputs
Function
One high and one low alarm value related to the input value.
Type OA
Two active 24V DC transistor outputs; max. 50mA per output (requires type AA + PD, PF or
PM).
Type OR
Two mechanic relay outputs; max. switch power 230V AC - 0,5A (requires type PD or PM).
Type OT
Two passive transistor outputs - not isolated. Load max. 50V DC - 300mA.
Communication option
Functions
reading display information, reading / writing all settings and setpoint value.
Protocol Modbus
RTU
Speed
1200 - 2400 - 4800 - 9600 baud
Addressing
maximum 255 addresses.
Type CB
RS232
Type CH
RS485 2-wire
Type CI
RS485 4-wire
Type CT
TTL Intrinsically Safe communication.
Type CX
no communication.
Operator functions
Functions
•
enter a setpoint value,
•
enter alarm high and low value.
Displayed information
•
preset value and actual value (if available).
Preset / Setpoint
Digits
6 digits: - 999,999 to + 999,99 units or 4 digits: 0 to 999.9 % or mA.
Units
no unit - mm - cm - m - meter - mil - in - ft - yd - fath - sqft - ml - l -nl - al - m3 - nm3 - am3 - gal
- usgal - igal - bbl - cuft - mg - g - kg - ton - oz - lb - st - qr - cwt - psi - psig - mbar - mbarg -
bar - barg - pa - pag - kpa - kpag - mmh2o - mh2o - inh20 - mmhg - inhg - °C - °F - K - p - rpm
- % - ppm or mA
Time units
/sec - /min - /hr - /day.
Decimals
0 - 1 - 2 or 3.
Alarm values
Digits 6
digits.
Units
According to selection for setpoint.
Decimals
According to selection for setpoint.
Time units
According to selection for setpoint.
Type of alarm
low or high actual alarm. Includes delay time alarm.
OPERATIONAL
OUTPUTS
