Specifications

Control Valves - SMARTLINK

MRV

www.maxoncorp.com

combustion systems for industry

Maxon reserves the right to alter specifications and data without prior notice.

10-30.7-77

E-i -3/14

50120624-001/

Table 9: SMARTLINK

MRV User Display Terminal Descriptions and Wiring Specifications

Table 9: SMARTLINK

MRV User Display Terminal Descriptions and Wiring Specifications

Terminal Name (Label Abbreviation) Description

Network Interface Terminals

(4-position screw-type connector)

Field 24VDC Power (F24+)

Field 24VDC Common (F24-)

Data A (DA)

Data B (DB)

Communications network and field +24VDC power

1000 feet maximum to optional remote User Display

EIA Level 4 cable, 2 twisted pair with shield, 22 AWG

Cable sources:

MAXON P/N 1055654 (100 ft. length); P/N 59829 (500 ft. length)

Connect-Air International P/N W22P-1005

Suggested wiring color code convention:

Orange/White (F24+), Orange (F24-), Blue (DA), Blue/White (DB)

Note on shield wire terminations:

The shield wire should be connected to the actuator "SHD" terminal (keeping the shield length to 1 inch or less). In addi-

tion, the shield wire should be tied to ground as it enters the enclosure of the Control Interface (keeping the maximum

length to 2 inches or less).

Relay Drive Output Terminals

(2-position screw-type connector)

Open Collector +(OC+)

Open Collector - (OC -)

OC+ and OC- are for future use

30VDC, 100 mA (max)

14-22 AWG wire

No length restrictions other than voltage drop considerations

Follow all local required wiring codes