Multiflex esr installation guide, Rs485 i/o net, Ect modbus the rs485 network and hardware setup – Emerson E2 User Manual
Page 79: I/ o n e t, Primary side, L2 l1 secondary side, Valve connectors on the multiflex esr board (1-8), Ac1 ac2, Connect the multiflex esr to the i/o network, No termination (jumpers in the down position)
