ANNEXES
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Manual EC 24 · EN05 · 2015-02
31
B Block diagram for the EC 21 / EC 24
U
P
8.8.8.8.8.8.8.8
Reed switch
or
Wiegand sensor
Pressure
transmitter
Only EC 24
Temperature sensor
PT 1000
Pulse comparison
EZD or RS485
Current module
Memory+
Print+Clock
TERZ 94
Keyboard
RS 485 (Modbus)
4 to 20 mA
Fault
HF
LF (Vb or Vm)
8-digit display
Battery 3.6 V
Inputs Correction Outputs
Pulse
input
Serial
interface
Current
output
Signal
output
Analog
input
Analog
input