2. Installation
2.4 Connection terminals
2.4.3.1 Connect digital counter inputs
Only possible on base devices.
Base devices with DC and UC voltage come with special counting and measuring func-
tions on inputs I1 to I4.
These functions are connected directly to function blocks.
The following applies to EASY-E4-UC-...:
The voltage supplied to the EASY-E4-UC-... must be a DC
voltage, since only DC signals will be processed.
You can process the following:
l 4 individual high-speed counter signals (one single counting direction), I1, I2, I3, I4
l 2 incremental counters, I1, I2 and I3, I4
l Frequencies I1, I2, I3, I4
Figure 15: Connect digital counter inputs
Input cable length
Strong interference on long cables can result in inputs reaching
their switching level. Please do not exceed the maximum cable
lengths specified in the technical data for the connected
sensors.
easyE4 11/18 MN050009 EN www.eaton.com
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