Lauda LRZ 927, Operation Manual, Page: 28 / 32

13 Technical data
Characteristic Unit Value/version
Interface module
Catalog number
[–] LRZ 927 LRZ 928
Size of module slot, W x H [mm] 51 x 27
External dimensions (excluding con-
nectors), W x H x D
[mm] 56 x 37 x 82
Weight [kg] 0.1
Operating voltage [V DC] 24
Maximum current consumption [A] 0.1
Number of inputs / outputs [–] 1 / 1 3 / 3
Connection type [–] Output: 1x circular connector,
3
‑
pin
Input: 1x circular socket, 3
‑
pin
D-SUB socket, 15-pin
Service life [–] The interface module is designed for 20,000 operating hours.
Contact output
Version
[–] Relay contact (changeover contact)
Maximum voltage [V] 30
Maximum current [A] 0.2
Contact input
Version
[–] Binary; controlled via external potential-free contacts
Voltage [V] 5 ±10 %
Maximum current [A] 0.01
Ambient conditions
Relative humidity
[%]
Maximum relative humidity 80% at an ambient temperature of
31°C, relative humidity linearly decreasing to 50% at 40°C.
Height up to [m] 2000
Ambient temperature range [°C] 5 – 40
Temperature range during storage
and transport
[°C] -20 – 60
Degree of pollution according to
EN 60664-1 / VDE 0110-1
[–] 2
IP protection level [IP] 21
V2 Interface module LRZ 927 / 928 28 / 30