889-3819-00
MMU2-1600GE series Operations Manual Rev Apr 2020 Page
24
of 51
3.4
CONNECTOR PIN ASSIGNMENTS
Connector A
Pin
Function (Type 16)
I/O
Function (Type 12)
I/O
A
AC Line
I
AC Line
I
B
Output Relay 1 N.O. (Closes When Fault Occurs)
O
Output Relay 1 N.O. (Closes When Fault Occurs)
O
C
Output Relay 2 N.C. (Opens When Fault Occurs)
O
Output Relay 2 N.C. (Opens When Fault Occurs)
O
D
Channel 12 Green
I
Channel 12 Green
I
E
Channel 11 Green
I
Channel 11 Green
I
F
Channel 10 Green
I
Channel 10 Green
I
G
Channel 9 Green
I
Channel 9 Green
I
H
Channel 8 Green
I
Channel 8 Green
I
J
Channel 7 Green
I
Channel 7 Green
I
K
Channel 6 Green
I
Channel 6 Green
I
L
Channel 5 Green
I
Channel 5 Green
I
M
Channel 4 Green
I
Channel 4 Green
I
N
Channel 3 Green
I
Channel 3 Green
I
P
Channel 2 Green
I
Channel 2 Green
I
R
Channel 1 Green
I
Channel 1 Green
I
S
+24V Monitor I
I
+24V Monitor I
I
T
Logic Ground
I
Logic Ground
I
U
Earth Ground
I
Earth Ground
I
V
AC Neutral
I
AC Neutral
I
W
Output Relay 1 Common
I
Output Relay 1 Common
I
X
Output Relay 2 Common
I
Output Relay 2 Common
I
Y
Channel 12 Yellow
I
Channel 12 Yellow
I
Z
Channel 11 Yellow
I
Channel 11 Yellow
I
a
Channel 10 Walk (Type 12 Only)
I
Channel 10 Walk
I
b
Channel 10 Yellow
I
Channel 10 Yellow
I
c
Channel 9 Yellow
I
Channel 9 Yellow
I
d
Channel 8 Yellow
I
Channel 8 Yellow
I
e
Channel 7 Yellow
I
Channel 7 Yellow
I
f
Channel 6 Yellow
I
Channel 6 Yellow
I
g
Channel 5 Yellow
I
Channel 5 Yellow
I
h
Channel 3 Yellow
I
Channel 3 Yellow
I
i
Channel 15 Green
I
Channel 3 Walk
I
j
Channel 2 Yellow
I
Channel 2 Yellow
I
k
Channel 1 Yellow
I
Channel 1 Yellow
I
m
Controller Voltage Monitor
I
Controller Voltage Monitor
I
n
+24V Monitor Inhibit
I
+24V Monitor Inhibit
I
p
Output Relay 1 N.C. (Opens When Fault Occurs)
O
Output Relay 1 N.C. (Opens When Fault Occurs)
O
q
Output Relay 2 N.O. (Closes When Fault Occurs)
O
Output Relay 2 N.O. (Closes When Fault Occurs)
O
r
Channel 12 Walk (Type 12 Only)
I
Channel 12 Walk
I
s
Channel 11 Walk (Type 12 Only)
I
Channel 11 Walk
I
t
Channel 9 Walk (Type 12 Only)
I
Channel 9 Walk
I
u
Channel 16 Yellow
I
Channel 8 Walk
I
v
Channel 15 Yellow
I
Channel 7 Walk
I
w
Channel 13 Yellow
I
Channel 5 Walk
I
x
Channel 4 Yellow
I
Channel 4 Yellow
I
y
Channel 14 Green
I
Channel 2 Walk
I
z
Channel 13 Green
I
Channel 1 Walk
I
AA
Spare 1
-
Spare 1
-
BB
Reset
I
Reset
I
CC
Cabinet Interlock A
I
Cabinet Interlock A
I
DD
Cabinet Interlock B
O
Cabinet Interlock B
O
EE
Channel 14 Yellow
I
Channel 6 Walk
I
FF
Channel 16 Green
I
Channel 4 Walk
I
GG
Spare 2
-
Spare 2
-
HH
Type Select
I
Type Select
I
