Instruction Manual
Tek-Bar 3800XP
www.tek-trol.com
Technology Solutions
16
Conductor cross section flexible with
ferrule, with plastic sleeve minimum
0.2mm
2
Conductor cross section flexible with
ferrule, with plastic sleeve maximum
0.75mm
2
Conductor cross section AWG minimum
24/0.2mm
2
Conductor cross section AWG maximum
16/1.3mm
2
4.8
Wiring Instructions
Table 9 provides the wiring instructions used for the Tek-Bar 3800XP Multivariable Transmitter
installation:
Table 9: Wiring Instruction
Function
Pin Number
Details
Input Power J1-1 (+)
J1-2 (-)
10 to 30VDC @ 2Watt minimum; Customer supply must include 2A
slow blow fuse.
Serial Host
port
J3
Configurable: J3-pin 7-12 (RS232); J3-pin 7-10, 11-12 (RS485 4-wire);
J3-pin 7-10, 11-12 (RS485 2-wire; Jumped TX+/RX+, TX-/RX-)
recommended 26 AWG; Twisted pair for RS485
Local serial
port or CHIT J3
J3-pin 3-6
Ethernet
J4
CAT 5 shield cable
RTD
J15
J15-pin 1-4; 4-wire J15-pin 1-3; 3-wire; with pin 3 and 4 jumped
AO (Analog
output)
J3-1 and 2
4-20mA; loop power customer supply; minimum 10VDC, maximum
30VDC
+
J1
PWR
AO+
AO-
TX
RX
CEN*
GND
RX/RX+
CTS/RX-
DCD
GND
TX/TX-
RTS/TX
1
J3
CHIT
HOST
AO+
AO-
TX
RX
CEN*
GND
1
J3
J4
ETHERNET
Return
RTD-
RTD+
Exc
J15
1
AO+
AO-
1
J3
AO+
+
-
AO-
J3
Analog Output
420mA
Customer Device
Loop Power
RD
