IMO Precision Controls K7 Series - Page 126

Chapter8 Communication Function
8-3
(2) 1:1 connection with a monitoring device like PMU
PMU MK80S base unit
Pin No.
Pin assignment and direction
Pin no. Signal
115V
2 2 RXD1
3 3 TXD1
4 4 RXD2
55SG
665V
7 7 TXD2
88SG
99SG
1
2
3
4
5
6
7
8
9
PMU(LGIS) K80S base unit
RS-232C interface
Female Type