MLS/160A – System Reference
8
D o c u m e n t R e v i s i o n 1 . 1
3.2
Primary RS485 Screw Terminal – J2
Pin Name
Function
Wire color
3
COM2 Serial Port: primary RS485 RX /TX+
Green
4
RS485P-
COM2 Serial Port: primary RS485 RX /TX-
Yellow
Table 4:
Pinout primary RS485 screw terminal
3.3
Power Connector – J4
Pin Name
Function
Wire color
1
VCC24
12 .. 24 Volt power input
White
2
GND
Ground
Brown
Table 5:
Pinout power connector
CAUTION!
Providing the MLS/160A with a higher voltage than the regular 12 .. 24 VDC ±10% could
cause damaged device components!
Do NOT turn on the power supply while connecting any cables, especially the power ca-
bles. This could cause damaged device components! First connect the (power) cables and
THEN turn the power supply on.
3.4
Power/Status LED – D1
Table 10
shows the two modes of the LED D1 on the MLS/160A’s front.
Mode
Function
On
O.K./Sampling
Blink
Waiting on configuration/IDLE
Table 6:
LED D1 modes
