CLIMAVENETA CVM 2 - 1.5 Serial connections; 1.6 Keyboard; 1.7 Remote keyboard

TECHNICAL MANUAL
CVM 2
C 5001 CV/04-99 GB
7
LOCAL
REMOTE
1.5 Serial connections
8-pin, TTL telephone-type connector.
1.6 Keyboard
It is connected to the following terminals, as indicated in the figure below:
KEYBOARD TERMINALS MAIN BOARD TERMINALS
4 28
3 29
1 31
2 32
Figure 1-1 KEYBOARD CONNECTION
1.7 Remote keyboard
Figure 1-2 REMOTE KEYBOARD CONNECTION
NB: The supplementary transformer is the 230/12 Vac transformer supplied with the remote keyboard kit.
The maximum length of the remote keyboard’s AWG24-type serial cable is 50 metres.
BASE CVM 2
1 12Vac 31
2 12Vac 32
3 Current loop è 29
4 ç Current loop 28
BASE CVM 2
1 12Vac 31
2 12Vac 32
3 Loop è 29
4 ç Loop
4 28
3
1 12Vac (from supplementary
transformer)
2 12Vac (from supplementary
transformer)