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9 Communication modules
MULTICAL® 803 can be extended by a wide range of extra functions by means of communication
modules. Below, pulse inputs/outputs and module types are briefly described.
Note: Before replacing or mounting modules, the supply to the meter must be switched off. The
same applies for mounting of an antenna.
9.1 Module overview
MULTICAL® 803 communication modules:
Type no.
Description
HC-003-10
Data Pulse, inputs (In-A, In-B)
HC-003-11
Data Pulse, outputs (Out-C, Out-D)
HC-003-20
Wired M-Bus, inputs (In-A, In-B)
HC-003-21
Wired M-Bus, outputs (Out-C, Out-D)
HC-003-22
Wired M-Bus, Thermal Disconnect
HC-003-30
Wireless M-Bus, inputs (In-A, In-B), 868 MHz
HC-003-31
Wireless M-Bus, outputs (Out-C, Out-D), 868 MHz
HC-003-40
Analog outputs 2 x 0/4...20 mA
HC-003-41
Analog inputs 2 x 4...20 mA / 0...10 V
HC-003-43
PQT Controller
HC-003-60
LON TP/FT-10, inputs (In-A, In-B)
HC-003-66
BACnet MS/TP, inputs (In-A, In-B)
HC-003-67
Modbus RTU, inputs (In-A, In-B)
HC-003-80
2G/4G Network
HC-003-82
Modbus/KMP TCP/IP, inputs (In-A, In-B)
9.2 Pulse inputs
Pulse inputs A and B are used for connection of
extra meters with either reed switch output or
passive electronic pulse output.
Min. pulse duration is 30 ms and max pulse
frequency is 3 Hz.
If a module with pulse inputs is mounted in MULTICAL®, the meter is automatically configured for
pulse inputs. Note that the pulse figure (litres/pulse) must match the extra water meters and the
configurations of inputs A and B. After delivery, the configurations of pulse inputs A and B can be
changed by means of the PC program METERTOOL HCW.
Kamstrup A/S • 55122412_A1_GB_2019-03
MULTICAL® 803 & ULTRAFLOW®
65 +
Pulse input A
66 -
67 +
Pulse input B
68 -
17
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