CARLO GAVAZZI WM4-96 - PROGRAMMING Manual page 67

2-wire connection. Additional devices provided with RS485
(that is RS 1, 2, 3 ...N) are connected in parallel.
The termination of the serial output is carried out
only on the last instrument of the network, by
means of a jumper between (Rx+) and (T). We rec-
ommend you to use the 4-wire connection: by
means of the serial port the data are exchanged faster.
Digital input connections
65
Installation
Single-phase connections
60
67
71