M-Maxâ„¢ Series Adjustable Frequency Drive - Eaton Corporation

Control Signal Terminals Arrangement and Connections
ESD Measures
WARNING
Discharge yourself on a grounded surface before
touching the control signal terminals and the controller
PCB. This protects the device from destruction by
electrostatic discharge.
The following figure shows the arrangement and designation of M-Max control signal terminals.
Control Signal Terminals Assignments and Designations
Possible Connection Line Sizes and Specifications on Control Signal Terminals
Microswitches and Control Signal Terminals
Four microswitches are arranged under the cover plate. These are used to directly configure the
control signal terminals.
Microswitch Factory Settings
AI2 GND DO– DI4 DI5 DI6 AO DO+ R13 R14 – R24
4 5 13 14 15 16 18 20 22 23 26
1 2 3 6 7 8 9 10 25 24
+10V AI1 GND 24V DI-C DI1 DI2 DI3 A B R21 R22
mm2 mm2 AWG mm Nm ft-lbs mm
0.14–1.5 0.25–0.5 26–16 5 0.22–0.25 0.16–0.18 0.4 x 2.5
AI2 GND DO– DI4 DI5 DI6 AO DO+ R13 R14 – R24
4 5 13 14 15 16 18 20 22 23 26
1 2 3 6 7 8 9 10 25 24
+10V AI1 GND 24V DI-C DI1 DI2 DI3 A B R21 R22
S1 = LOGIC (+)
LOGIC
– +
AI 1
V mA
AI 2
V mA
RS 485
– Term.
S4 = RS485 (–)
S3 = AI2 (mA)
S2 = AI1 (V)
M3
Microswitch Description
S1 LOGIC Control logic:
+ = Positive logic (FS)
Source type
– = Negative logic
Sink type
S2 AI1 Analog input 1 (P2.1):
V = 0–10V (FS)
mA = 4–20 mA
S3 AI2 Analog input 2 (P2.5):
mA = 4–20 mA (FS)
V = 0 –10V
S4 RS485 Bus terminating resistor
(control signal terminal A/B):
– = Disconnected
Term. = Switched on (terminator)
Installation
M-Max Series Adjustable Frequency Drive MN04020003E—April 2011 www.eaton.com 37