Rice Lake 480 Legend Series Digital Weight Indicator Installation Manual - Manual (Page 17)

Installation 13
Figure 2-4. Wiring Diagram
Output relay rating of relay
2 AMPS at 30 VDC
20mA_Out
RXD1 TXD1 GND
RXD2 TXD2 GND GND
Sig+ SIG-
SEN+ SEN- EXC+ EXC-
Load Cell Connection
RS-232
Connection
20mA
Connection
L
GND
N
Power Supply
CPU Board PN 131318
A/D Board PN 131319
Power Supply PN 131316
Analog Output
PN 131341
Relay Board PN 131342
J3
J2
J2
J1
J2
J13 J17
J5
J6
J15
J16
J14
J7 to display board
J2
J10
R1_NC R1_C R1_NO R2_C R2_NO R3_C R3_NO R4_C R4_NO IN- IN1+ IN- IN2+ +5V_OUT GND
I_OUT
RETURN
V_OUT
RETURN
Analog Output Terminal
I/O Terminal
J3 J4
R1_NC GND +5V_OUT IN2+ IN- IN1+ IN- R4_NO R4_C R3_NO R3_C R2_NO R2_C R1_NO R1_C
Relay Board
Wired for TTL
BA
TRUN
BA
TST
AR
T
1k 1k 1k 1k
Analog and Relay boards require an option
card bracket (PN131340) for mounting.
Note
Note