Rockwell Automation Allen-Bradley IMPACT 1336 Series, Troubleshooting Manual, Page: 25 / 196

1–7 Control Logic Wiring and Adapters
Publication 1336 IMPACT-6.8 – November, 2002
For local programming and control information, refer to the 1336
IMPACT User Manual.
Table 1.A
L Option Mode Selection
Start/Stop Type Direction Control Communication Compatibility
Mode(s)
to Use
Stop & Enable Only None Control must be provided by HIM or Communication Option. 1
Momentary
Pushbutton
(3 Wire) Maintained Switch
(Open-Forward,
Closed-Reverse)
Single-Source Start/Stop – works like the HIM and Communication Options. Direction
Control will not work with HIM or Communication Options. User must
select direction control from either HIM and Communication Options or
TB3 input. 2 – 6,
17, 18,
and 27
2
Momentary
Pushbutton
(3 Wire) Momentary Pushbuttons
(Forward and Reverse)
Multi-Source Start/Stop – works in parallel with HIM and Communication Options.
Direction – works in parallel with HIM or Communication Options. 7 – 11,
19 – 22,
and
28, 29
2
Maintained switches for combined run and
direction control (2 wire, Run Forward, Run
Reverse) Start – works differently than three-wire control.
1
Direction – works differently than three-wire control.
1
Stop – always works.
12 – 16,
23 – 25,
and 30
2
1
Refer to two-, three-wire notes in the user manual.
2
Diodes 27
–
30 are available with versions 2.02 and later.
Figure 1.3 provides the terminal designations for TB3. The
maximum and minimum wire sizes accepted by TB3 are 2.1 and
0.30 mm
2
(14 and 22 AWG). Maximum torque for all terminals is
1.4 N-m (12 lb-in.). Use copper wire only.
Figure 1.4
TB3 Terminal Designations
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
Input 1
Input 2 (Stop)
Common
Input 3 Input 4 Input 5
Common
Input 6 Input 7 Input 8
Common
Enable
Encoder B
Encoder NOT
A
Encoder NOT
B
Encoder A
+12V (
200mA
max.)
Encoder Common
AB0293B
Included on L7E, L8E, & L9E Only
Local Programming