Endress+Hauser Cerabar PMC11 - Output; Output Signal; Signal Range 4 to 20 Ma; Load (for 4 to 20 Ma Devices )

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