GTD-3000Ex
Instruction Manual
5. Installation
5.2. Main PCB Configuration
■ After detaching the display parts, the Main PCB terminal layout appears as shown in the figure below.
[Table 2. Main PCB Key Part Description]
No
NAME
DESCRIPTION
1
CN11
Power & Output Signal Terminal
CN10
Alarm & Fault Relay Terminal
CN9
RS485 Terminal
2
J1
4~20mA Source / Sink Selection Jumper ( ON: Source Type, OFF: Sink Type)
3
CN4
Display LCD or OLED Connector
4
CN1
Sensor Connector
5
CN5
Program download Connector
6
D1
Status LED (Flashes in 1 sec interval during normal operation)
7
OC1,OC2,OC3
HART Option Board Connector
8
CN3
Warning light (GTL-100) Interface Connector
[Figure 5. Main PCB Terminal Layout]
■ Using OC1, OC2, and OC3 shown in the layout above, HART Option RS-485 MODBUS board can be attached.
3ØScrew holes located at top left of option board are used for fixing.