Specifications

NEW!
TRANSDUCERS
1438
NEW!
TRANSDUCERS
23
WHEN YOU NEED IT RIGHT, RIGHT NOW, CALL KELE.
kele.com888-397-5353 USA
March 2014
VOLTS ADJ
MA ZERO
MA SPAN
MAN
OVR
See Table 1 -
LED Indication
+
+
–
–
24 VAC/VDC
Power Supply
24 VAC/VDC
Power Supply
24 VAC/VDC
for Signal
1-5V and 4-20 mA outputs
are simultaneously active
1-5V and 4-20 mA outputs
are simultaneously active
STAT
L2
SIG
L1
Manual Override Jumper
(shown in manual position)
+
–
1-5V
Output
4-20 mA
Output
1-5V
Output
4-20 mA
Output
* PWM signal input terminals are optoisolated and polarity insensitive. PWM computer
contacts can switch either positive or negative PWM wire lead.
Separate 24V Supplies for Power and Signal
Common 24V Supply for Power and Signal
BAS Controller
PWM Contacts*
BAS Controller
PWM Contacts*
SIG IN +
SIG IN –
COM
24V PWR
MA OUT
VOLTS OUT
Manual Override
Potentiometer
MODE
TIME
BASE
MUX
ADDR
VOLTS ADJ
MA ZERO
MA SPAN
MAN
OVR
See Table 1.
LED Indication
STAT
L2
SIG
L1
Manual Override Jumper
(shown in manual position)
PWA-1A
(enclosed)
PWA-2A
(track mounted)
PWA-1A
(enclosed)
PWA-2A
(track mounted)
SIG IN +
SIG IN –
COM
24V PWR
MA OUT
VOLTS OUT
Manual Override
Potentiometer
MODE
TIME
BASE
MUX
ADDR
+
–
+
–
+
–
+
–
123 45678
123 45678
PWA-1A / PWA-2A WIRING
PWA-1A / PWA-2A PWM AND MULTIPLEXED PWM-TO-ANALOG CONTROL
PULSE / TRI-STATE-TO-ANALOG TRANSDUCERS
PWA SERIES
DIP SWITCH SETTINGS
Switch 1
Switch
2
3
Switch
45 6
Switch
78
Operating
Mode
Operating
Mode
PWM Time
Base (sec)
Single Unit PWM Control
Always off
Off
0.1-2.65
0.1-5.2
0.1-12.85
0.1-25.6
0.59-2.93
Off
Off
Off
Off
On
Off
On
Off
On
Off
Off
Off
On
On
Off
Single Unit
PWM Control
OffOff Off
JUMPER SETTINGS
MAN
OVR
MAN
OVR
A
utomatic
Control
Manual
Control
MANUAL OUTPUT CONTROL
The 24V power supply must be connected and the override jumper moved to the MAN OVR
position covering the center and inner jumper pins. The manual adjustment potentiometer can
then be used to vary the output.
AUTOMATIC OUTPUT CONTROL
Move the override jumper to cover the center and the outer jumper pins.