Blue Ox Review of wiring diagrams [24 July 2007]
Curtis 1253 Manual, Rev. F
5
Blue Ox Rev. A, draft #1 [3 August 2007]
LOW CURRENT CONNECTIONS
Two low current connectors are built into the 1253 controller. ey are located
on the end of the controller:
2 — INSTALLATION & WIRING: Controller
e 12-pin connector (J1) provides the logic control connections. e mating
connector is a 12-pin Molex Mini-Fit Jr. connector part number 39-01-2125
using type 5556 terminals.
17
6
12
13
24
J1
J2
1 2 3 4 5 6
7 8 9 10 11 12
e 4-pin connector (J2) is for the programmer—either the 1311 handheld
programmer or the 1314 PC Programming Station. A complete programmer
kit with the appropriate connecting cable can be ordered:
Curtis p/n 168961101 for the User Programmer (model 1307M-1101)
Curtis p/n 168962101 for the OEM Programmer (model 1307M-2101).
If a handheld programmer is already available but has an incompatible cable,
the 1253 mating cable can be ordered as a separate part: Curtis
p/n 16185.
With a 1314 PC programming station, the 1309 interface box and cable connect
the computer to the controller:
p/n 117465704 1314-1101, 1314 PC Programming Station (User) CD-ROM
p/n 117465707 1314-4401, 1314 PC Programming Station (OEM) CD-ROM
p/n 16994001 1309 Interface Box
p/n 16185 Molex cable for 1309 Interface Box.
21
43
J1-1 Keyswitch Input (KSI) input and return for main contactor coil
J1-2 Pot High +5V supply
J1-3 Pot Wiper pot wiper input (or 5V throttle input)
J1-4 Pot Low to ground through 511 ohm resistor
J1-5 Interlock input from operator-present switch, tied to B+
J1-6 Status LED LED driver low-side output
J1-7 SS1 Speed Select 1 input
J1-8 SS2 Speed Select 2 input
J1-9 SS3 Speed Select 3 input
J1-10 SS4 Speed Select 4 input
J1-11 Lift Lockout input to the inhibit lift feature
J1-12 Contactor main contactor coil driver low-side output
J2
J1
J2-1 Rx Data
J2-2 B-
J2-3 Tx Data
J2-4 +15V
: e 1311 hand-
held programmer has
been superseded; if you
are using a more recent
model, please refer to its
documentation.
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