Heinrichs Messtechnik GmbH
OPERATING MANUAL TMU / UMC3
Page 39 of 122
Binary outputs:
2x Binary outputs (NPN)
Pulse output:
Pulse duration: default value 50 ms
adjustable range is 0.1 to 2000 ms
Pulse-pause ratio is 1:1 as long as the set pulse duration is not
exceeded.
As a frequency output max. 1 kHz
The UMC3 binary output 1 can be wired as a passive or an active output
by inserting the JP10 plug-in jumpers on the UMC3-10 PCB according to
the adjacent image. Additionally, for the active output the jumpers BR11
and BR12 must be closed.
Pulse value:
1 Pulse/Unit
The pulse value is settable in decade increments by a factor
between 0.001 and 100.0 of the selected pulse unit, e.g. kg or m³.
Status output:
For: forward and reverse flow, MIN flow rate, MAX flow rate, MIN
density, MAX density, MIN temp., MAX temp., Alarm
Second pulse output (phase-shifted to Pulse1 by 90°).
Refer to section 7.2.8, “PULSE OUTPUT functional class” on page 83 and 7.2.9, “STATUS functional class” on
page 86 for programming of the binary outputs.
Warning:
For connection to, as well as the maximum electrical output
parameters of the transmitter for use in potentially Explosive
Atmospheres refer to the relevant type examination certificate or the
applicable Ex-supplementary operating manual.
Current outputs
4.8.2.1
Accuracy
Maximal error of the current outputs is ±0.1 % of the actual r 0.05 % full scale flow.
4.8.2.2
Load
Standard version:
500 ohms
Explosion-proof version:
500 ohms
HART
minimum load:
250 ohms
