Ultraheat / Ultracold UH50 Configuration Instructions UH 106-101k Page 7 / 15
110 V or 230 V alternating voltage
Voltage 85..121
V AC
or 196..253
V AC
Type Safety class II
Frequency 50 / 60 Hz
Line voltage max. 10% of the nom.
fluctuations voltage
Overvoltage category II
per EN60010 2500 V impulse voltage
Power consumption maximal 0.8 VA
Relative humidity less than 93 % for T < 50°C
Cable length 1.5 / 5 / 10 m
Fuse protection 6 A MCB
Interfaces of the electronic unit
The UH50 meters are equipped with an optical
interface per EN 62056-21:2002 as standard.
Moreover, up to two of the following communication
modules can be used for remote reading (for
restrictions pay attention):
• Pulse module (pulses for quantity of energy /
volume / unit status / tariff register 1 / tariff
register 2; isolated, bounce-free)
• CL module (passive 20 mA current loop per EN
62056-21:2002)
• M-bus module per EN 1434-3, fixed and
extended, variable protocol (also for coupling
with a suitable controller)
• M-bus module G4
• M-bus module G4-MI with 2 pulse inputs
• Analog module
• Radio module
These modules are have no effect on consumption
metering and can therefore also be replaced at any
time without violating the security seal.
Terminals
Multipolar terminals are used for connecting external
cables to the modules.
Strip-back length: 5 mm
Connection capacity
− rigid or flexible, 0.2 – 2.5 mm²
− flexible with end ferrules, 0.25 - 1.5 mm²
− conductor sizes 26 - 14 AWG
Multiple-conductor connection (2 conductors of
same cross-section)
− rigid or flexible, 0.2 – 0.75 mm²
− flexible with end ferrules without plastic
sleeve, 0.25 – 0.34 mm²
− flexible with TWIN ferrules with plastic
sleeve, 0.5 – 0.75 mm²
Recommended screwdriver: 0.6 x 3.5 mm
Tightening torque: 0.4 Nm
Permissible combinations of modules
Pulse
module
AM = Analog
module
MB; MB G4, MB MI
= M-bus module
CL = CL module
RM = Radio module
AM (5)
„standard“
„fast“ *)
MB
MB G4
CL
RM
AM
yes
yes
yes
yes
(4)
yes
yes
yes
„standard“
yes
yes (3)
yes (2)
yes (4)
yes
yes
yes
Pulse module **)
„fast“
no
no
no
no
no
no
no
MB
yes
yes
yes
yes (4)
yes
yes (1)
yes
MB G4
yes
yes
yes
yes
yes
yes (1)
yes
MB MI
yes
yes
yes
yes
yes
yes (1)
yes
CL
yes
yes
yes
yes (1)
yes (1)
no
yes
Slot for module #1 can be equipped with ...
RM
no
no
no
no
no
no
no
Restrictions:
*) only 1 module with fast pulses is possible;
only permissible on slot 2;
min. pulse duration :
- 2 ms, if pulse module 1 not fitted
- 5 ms, if pulse module 1 fitted
**) Subsequent mounting of a further pulse module
in module slot 1 can result in changed output values
for module 2!
(1) For M-bus with fast read out, the CL read-out
can take up to 40 s
(2) Pulse length of the fast pulses min. 5 ms
(3) The first and second channel can be
parameterized individually
(4) The secondary address for both modules can
only be changed via module No. 1
(5) The analog module is not possible in module
slot 2, when the meter has a power supply module
110 V / 230 V.
Pulse module
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