MERRICK MC3 Hardware Manual

COM 2 RS-232 J4
Pin Signal
2 Tx
3 Rx
5 Com (DC GND)
6 DSR (+5VDC) NONFUSED
7 RTS (IN)
8 CTS (OUT)
The RS-232 serial port is not isolated.
COM 2 RS-485 4 WIRE J5
Pin Signal
1 TX +
2 TX -
3 RX +
4 RX -
The 4 wire RS-485 serial port is not isolated, but may float ± 50 V with respect to MC³ ground.
BOARD FEATURES
ON OFF
SW4
SW1
COM2
J
4
RS
232
COM2
J
5
RS485
COM1
J6
RS485
COM1
J7
RS232
F1
JP1
1
L
N
60HZ
U
53
U14
DALLAS
SRAM
U16
U11
J
8
U7
J3
+5V RED
PF GREEN
+5V RED
+12V YELLOW
-12V BLUE
COM BLAC
K
COM BLAC
K
J2
J1
J 9
IrDA
10/ J
9/I
1/
A
U 54
P
R
O
G
R
A
M
M
I
N
G
S
I
M
S
O
C
K
E
T
COM 2
RS-232
Printer Port
DF-1
RS-485
COM 1
RS-485
Scalenet
Modbus ASCII
Modbus RTU
RS-232
2/B
C
7/G
H8/
F 6/
5/ E
D4/
3/
Flashldr.exe
DNI
ENI
WinMerik
A
nybus
Ehthernet IP
Profibus
MC3 Hardware Manual 13

MERRICK MC3 Specifications

General

Brand	MERRICK
Model	MC3
Category	Controller
Language	English