Output; Output Signal; Signal Range 4 To 20 Ma; Load (For 4 To 20 Ma Devices ) - Endress+Hauser Cerabar PMC11 Technical Information

Output signal

Signal range 4 to 20 mA

Load (for 4 to 20 mA
devices )
Load resistance (for 0 to 10 V
devices)

Signal on alarm 4 to 20 mA

Dead time, time constant

16

Output

Designation
4 to 20 mA (2-wire)
PMC11: 0 to 10 V output (3-wire)
PMP11: 0 to 10 V output (3-wire)
1) Product Configurator, order code for "Output"
3.8 mA to 20.5 mA
In order to guarantee sufficient terminal voltage in two-wire devices, a maximum load resistance R
(including line resistance) must not be exceeded depending on the supply voltage U
unit.
R Lmax
[ ] W
1068
614
10
1 Power supply 10 to 30 V DC
2 R Maximum load resistance
Lmax
U Supply voltage
B
The load resistance must be ≥ 5 [kΩ].
The response of the output to error is regulated in accordance with NAMUR NE43.
Factory setting MAX alarm: >21 mA
alarm current
Device Description
PMC21 Adjusted min. alarm current
PMP21
1) Product Configurator order code for "Service"
Presentation of the dead time and the time constant:
100 %
90 %
63 %
Cerabar PMC11, PMC21, PMP11, PMP21
2
U
20 30
B
[V]
1
I
t t
1 2
t
3
1)
Option
1
2
of the supply
B
U 6.5V
-
R Lmax £
B
22mA
Option
1)
IA
t
Endress+Hauser
L
A0029452
A0019786