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4
Technical data
4.1 Basic model
Input
Signal
Two-wire technology
Nominal range
Split range
Max.
Min.
Start
Load voltage at 20 mA
Impedance at 20 mA
Digital input
Control voltage
Current
Digital output (control circuit to DIN 19234/NAMUR)
Supply voltage.
Current < 1.0 mA
Current > 2.0 mA
Effective direction:
Output
Range
0...6 bar (0...90 psi)
Air capacity
at supply pressure of 1.4 bar (20 psi)
5.0 kg/h = 3.9 Nm
at supply pressure of 6 bar (90 psi)
13 kg/h = 10 Nm
Output function
for single or double acting actuators,
air is vented from actuator or actuator is blocked in case of electrical power failure
Shut-off values
end position 0 %
end position 100 %
41/18-79 EN
4...20 mA
configuration betw. 20% and 100% of the nominal range
25 mA / 30 V
3.4 mA (without analog position feedback)
3.5 mA (with analog position feedback)
from 3.8 mA
8.7 V DC without explosion protection
9.7 V DC for intrinsically safe device
435 ohms without explosion protection
485 ohms for intrinsically safe device
24 V DC (12...30 V DC)
0...10 V DC: Logical "0"
12...30 V DC: Logical "1"
max. 4 mA
5...11 V DC
logical "0"
logical "1"
Normally logical "0" or logical "1" (configurable)
3
/h = 2.3 scfm
3
/h = 6.0 scfm (Booster on request)
=
0...45 %
=
55...100 %
Electro-pneumatic positioner TZIDC
31
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