IMO Precision Controls K7 Series User Manual page 127

Chapter8 Communication Function
.
(3) 1:1 connection with other K7
For the detailed information, refer to 8.1.7 " 1:1 Dedicated Protocol Communication."
K7 base unit
RS-232C interface
5
9
4
8
3
7
2
6
1
Male Type
K7 base unit
K7 base
unit
Pin assignment and direction
Pin no.
1
2
3
4
5
6
7
8
9
8-4
K7 base unit
Pin no. Signal
1 5V
2 RXD1
3 TXD1
4 RXD2
5 SG
6 5V
7 TXD2
8 SG
9 SG