User Manual For - CONTROLLER/DATA RECORDER MultiCon CMC-99/141
8.11.
HM2, HM4 – OPTOIZOLATED HOURMETERS MODULES
Fig. 8.21. Optoizolated hourmeters modules
Most important parameters of HM2 and HM4 modules:
HM2
HM4
Number of inputs
2 hourmeters
4 hourmeters
Terminal description
START/STOP [n]
– input which
starts and stops time counting,
PRG[n]
- programmable inputs,
COM[n]
- common inputs,
[n]
=1, 2.
START/STOP [n]
– input which
starts and stops time counting,
PRG[n]
- programmable inputs,
COM[n]
- common inputs,
[n]
=1, 2, 3, 4.
Input signals voltage levels:
logical LOW state
logical HIGH state
| Uin | < 1V
| Uin | ≥ 10V
| Uin | < 1V
| Uin | ≥ 10V
Max input frequency
1kHz
1kHz
Max input voltage
30V
30V
Input current consumption
about 14mA @24V
about 6mA @10V
about 14mA @24V
about 6mA @10V
I
nsulation strength
(between individual
measurements inputs)
2kV
2kV
Measurement accuracy
30ppm @ +25
C
30ppm @ +25
C
296
HM2
2 hourmeters
n08
n04
n05
n01
n02
n03
COM 1
START/STOP 1
PRG 1
COM 2
START/STOP 2
PRG 2
HM4
4 hourmeters
n06
n07
n08
n04
n05
n01
n02
n03
n10
n11
n12
n09
COM 1
START/STOP 1
PRG 1
COM 2
START/STOP 2
PRG 2
COM 3
START/STOP 3
PRG 3
COM 4
START/STOP 4
PRG 4