ABB CM30 - Frequency; Pulse Input; Digital Input; Output

ControlMaster CM30 and CM50
Universal process controllers,
1
/4 and
1
/2 DIN 4 Installation
IM/CM/ED–EN Rev. B 15
4.5.4 Frequency / Pulse Input
4.5.5 Digital Input / Output
Note. This input is designed primarily for use with flowmeters.
*Refer to the device documentation for resistor value.
Fig. 4.12 Frequency / Pulse Input
Note. Open collector digital input / output connections are shown in Fig. 4.13 – see page 77 for Digital 
Input / Output type options.
Fig. 4.13 Open Collector Digital Input / Output Connections
*
Terminal 1
Terminal 3
Source Device
External Voltage (Max. 30 V)
ControlMaster
Input 1
43
46
35
40
7
10
30
35
+

Digital Output 
+ External
Digital Input/Output –
Load
CM30: Terminal 43 or 35
CM50: Terminal 7 or 30
CM30: Terminal 44 or 45; 36, 37, 38 or 39
CM50: Terminal 8 or 9; 31, 32, 33 or 34
CM30: Terminal 46 or 40
CM50: Terminal 10 or 35
Terminal Connections on
Standard and Option Boards
External Voltage
(Max. 30 V)
Digital Output + External
Digital Input / Output –
CM30
Option
Board 1
CM30
Option
Board 2
CM50
Standard
Board
CM50
Option
Board 1
24 V Digital Input
Common