Baldor VS1SD, Installation & Operating Manual

Page: 40 / 192

5-10 Control Wiring MN766
5.5.6 Fan Pump 3-Wire
Operation in the Fan Pump 3-Wire mode is controlled by the opto isolated inputs at J2-8 through J2-16. The opto inputs can
be switches as shown in Figure 5-10 or logic signals from another device.
Figure 5-10 Fan Pump 3-Wire Connection Diagram
User Analog Return
Analog Input 1
Analog Ref. Power +
1
2
3
4
5
6
7
J1
Analog Input 2+
Analog Input 2-
Analog Output 1
Analog Output 2
Enable
J2
Digital Output 1 + (Collector)
Digital Output 1 - (Emitter)
Digital Output 2 + (Collector)
Digital Output 2 - (Emitter)
See Figure 5-4 for
connection information.
Enable
Forward Start
Reverse Start
Stop
Run Command
Speed Command
Firestat
External Trip
Freezestat
Digital Input 1
Digital Input 2
Digital Input 3
Digital Input 4
Digital Input 5
Digital Input 6
Digital Input 7
Digital Input 8
8
17
9
10
11
12
13
14
15
16
18
19
20
See recommended tightening torques in Table A-2.
*
*Note: Remove factory jumper from J2-8 and J3-24 before connecting switch at J2-8.
J2-8 CLOSED allows normal control operation.
OPEN disables the control and the motor coasts to a stop.
J2-9 MOMENTARY CLOSED starts motor operation in the Forward direction.
Note: Closing both J2-9 and J2-10 at the same time will reset a fault.
J2-10 MOMENTARY CLOSED starts motor operation in the Reverse direction.
Note: Closing both J2-9 and J2-10 at the same time will reset a fault.
J2-11 MOMENTARY OPEN motor decels to stop.
J2-12 CLOSED selects STOP/START and Reset commands from terminal strip.
OPEN selects STOP/START and Reset commands from Keypad.
J2-13 CLOSED allows other selections, see Speed Select Table 5-6.
OPEN selects speed commanded from Keypad (if J2-14 and J2-15 are closed).
Note: When changing from Terminal Strip to Keypad (J2-12 or J2-13) the motor speed and direction will remain
the same after the change.
J2-14 Firestat. Selects Level 1, Preset Speeds, Preset Speed 1.
J2-15 Freezestat. Selects Level 1, Preset Speeds, Preset Speed 2 (if J2-14 is closed).
J2-16 Optional External Trip input (not required). If used, you must set Level 2 Drive Protect block, External Trip to “ON”.
CLOSED allows normal operation.
OPEN causes an External Trip to be received by the control (when programmed to “ON”).
Table 5-6 Speed Select Table – Fan Pump 3-Wire
J2-13 J2-14 J2-15 Command
OPEN Level 1, Preset Speeds, Preset Speed 1
CLOSED CLOSED OPEN Level 1, Preset Speeds, Preset Speed 2
OPEN CLOSED CLOSED Keypad Speed Command
CLOSED CLOSED CLOSED Level 1, Input Setup, Command Source (parameter P1402)