MULTICAL® 803
48
Kamstrup A/S · Technical description · 5512-2360_A1_
GB
_02.2019
3.4.10
Cold water leakage (In-A/In-B) >N<
The pulse inputs A and B of MULTICAL® 803 can be used for cold water leakage monitoring. Basically, however, the
cold water leakage monitoring is only active on input A (A1/A2), unless otherwise agreed with the customer. When
MULTICAL® 803 is used for leak monitoring, the sensitivity is determined by the configuration of the N code.
Leakage monitoring is measured over a period of 24 hours. The N code defines the resolution by which the 24 hours
are divided; either 48 intervals of half an hour, 24 intervals of one hour or 12 intervals of two hours. If the calculator
registers minimum one pulse during each of these intervals over the full period, info code 8, which indicates leakage,
is activated. The info code is not activated until after the 24-hour period. However, it is reset again immediately as
soon as the calculator registers an interval without pulses.
The table below shows the three available N codes. Upon receipt of order, the N code is configured to 2 by default
(unless otherwise informed by the customer).
Cold water leakage search (In-A1/A2)
N code
No active leak search
0
30 minutes without pulses
1
One hour without pulses
2
Two hours without pulses
3
3.4.11
Pulse outputs C and D >PP<
Up to four communication modules can be mounted in MULTICAL® 803. Pulse outputs are supported by
communication modules placed in slot M1 and slot M2. See paragraph 11 for further information about the
communication modules.
MULTICAL® 803 can have up to four pulse outputs (C1, C2, D1 and D2), which are placed on the communication
modules. The pulse outputs have three possibilities of use:
-
Transmission of selected meter count registers (which are controlled by the selected country code).
-
Controlled output, which means that the pulse outputs can be controlled via data commands.
-
Pulse Transmitter/Divider so that the pulse signal from V1 and V2 is transmitted via the pulse outputs.
Pulse outputs C and D are placed on selected communication modules. If the module is installed in slot M1 of
MULTICAL® 803, the outputs C1 and D1 are identified, and the same applies to slot M2; with the outputs C2 and D2.