OUTLI
N
E DR
AW
IN
GS
, ELEM
ENTAR
Y DR
AW
IN
GS
AND I
N
PU
TS
/O
UTP
U
TS
SX TRAN
SISTOR CON
TROL
Page
16
Januar
y 1999
Sect
ion 3.
4 S
tandard Dual
M
oto
r P
roport
ioni
ng Dri
ve El
em
ent
ary
POWER CONNECTIONS
LEFT CONTROL
POS
A1
F1
NEG
A2
F2
FIE
L
D
A
R
M
A
T
URE
FU4
A1
A2
S1
S2
SP
+
-
FU1
POWER CONNECTIONS
RIGHT CONTROL
POS
A1
F1
NEG
A2
F2
FIE
L
D
A
R
M
A
T
URE
FU3
KEY
SWITCH
L
P9
P7
P8
P1 P17
P2
P6
P9
P3
P12 P8
P4
P5
SEAT
SW
.
ST
AR
T
SW
.
FOR
W
A
R
D
SW
.
R
EVER
SE SW
.
N.C. BRAKE SW.
P23 P22
P10
P21
P13
ACC POT
STEER ANGLE
POT
S
E
R
IA
L RE
CE
IV
E
SER
IA
L
T
R
AN
SMI
T
B
D
I I
N
T
E
RRUP
T
ST
EER
PU
MP
FIE
L
D
ST
EER
PU
MP
AR
M
P11 P18
SP D
V
R
P
L
U
G
/R
GN
OU
TP
U
T
P7 P12
P6
P2
P1
P3
P4
P5
LEFT
CONTROL
(MASTER)
RIGHT
CONTROL
(SLAVE)
T
O
P
U
M
P
CO
NT
RO
L
PO
SI
T
IVE
T
O
P
U
M
P
CO
NT
RO
L
PO
SI
T
IVE
PIN
1
2
3
4
5
6
7
8
9
10
11
12
DESCRIPTION
CLOCK (OUT)
TMM7A POWER 5V
Y PLUG CONNECTIONS
DATA (OUT)
ENABLE (OUT)
NEGATIVE (COMMON)
+ 5 V
CONT/STORE (IN)
TACH INPUT
VALUE
FUNCTION
SERIAL RECEIVE
SERIAL TRANSMIT
P10
P13
ELEMENTARY DRAWING FOR
SEPARATELY EXCITED DUAL MOTOR
PROPORTIONING CONTROLLERS WITH
SOLID-STATE REGENERATIVE BRAKING
LINE
SPEED LIMIT SWITCH
P16
P15
N
.O
. BR
AKE
SW
.
P14
P15
P16