3.2 Bank select switch
The BANK SELECT switch assigns an address to the ECH. This is necessary when extending an existing system. The letters
"L" and "R" are intended to help with spatial orientation (left / right). Each step of the switch expands the system by one more
ECH with 4 slots.
Example
SLOT 0
SLOT 1
SLOT 2
SLOT 3
Control
SLOT 0
SLOT 1
SLOT 2
SLOT 3
Control
SLOT 0
SLOT 1
SLOT 2
SLOT 3
Control
Bank
Select
Bank
Select
Bank
Select
00
01
02
03
04
05
06
07
08
09
0A
0B
L0
R0
L1
Figure 2: Crate (schematic)
3.3 Forced air cooling
The crate offers an internal forced air cooling with temperature dependent speed regulation by the crate controller. The fresh air
intake is on the bottom, for propper ventilation it needs to be sure that the airflow is not blocked.
INFORMATION
INFORMATION
Further it is recommended to cover unused module slots with blind front panels to provide optimal airflow and
cooling performance.
ECH 224 – 4 Slot MMS Crate | Last modified on: 25.05.2020 | www.iseg-hv.com
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