Emerson MONITORING OpenComms Manuel D’Utilisation

Retrofit kits are designed specifically for individual units. Consult 

your local sales / service representative for pricing, part numbers and 

installation help.
Figure 18 STS2 typical NIC location

NETWORK INTERFACE

CARD (NIC) 416241GX

1

3

2

TB2

P18

J3

+ -

See Note 2

RS-232 (DB-9 connector)
for setup only. Uses standard
computer serial port cable

Customer-supplied
interconnecting cable

Ethernet Network
RJ-45 connector
See Notes 1 & 2

Customer-supplied
interconnecting cable
to Modbus

Front View With Front Door Removed

CONTROL WIRING

COMMS BOARD FOR SITESCAN,

INPUT CONTACT ISOLATOR

PROGRAMMABLE RELAY 

    

See

Option

Location

Detail 

Option

Location

Detail 

BOARD (OPTION)

BOARD (OPTION)

EXTERNAL AND INTERNAL

CARD (NIC) (OPTION) 

NETWORK INTERFACE

MODEM INTERFACE (OPTION)

REMOTE SOURCE
SELECT (OPTION)

BOARD (OPTION)

PROGRAMMABLE RELAY