ControlMaster CM10, CM30 and CM50
Universal process controllers,
1
/
8
,
1
/
4
and
1
/
2
DIN
4 Installation
20
IM/CM/S–EN Rev. R
4.5.5 Frequency / Pulse Input
4.5.6 Digital Input / Output
Note.
This input is designed primarily for use with flowmeters.
Fig. 4.12 Frequency / Pulse Input
Note.
Digital input and open collector digital output connections are shown in Fig.
4.13
– see page
113
for
Digital Input / Output type options.
Terminal 1
Terminal 3
Source Device
External Voltage
(Max. 30 V)
ControlMaster
Input 1
–ve
+ve
Load*
*Refer to the device
documentation for resistor value