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Each 4-20 mA sensor requires
a SEPARATE dedicated power
limited 24 VDC power supply.
DO NOT use the same
transformer to power both the
sensor and the controller.
Chaque capteur 4-20 mA
nécessite un source
d'alimentation SÉPARÉE
limitée à 24 VDC.
NE PAS utiliser le même
transformateur pour alimenter le
capteur et le contrôleur.
NOTE:
If the voltage/current switch is set to
current and a 4 to 20 mA sensor is
connected to an AI, then special wiring
requirements must be followed.
NOTE:
When wiring any actuator that uses a 0 to
10V control signal and ties AC neutral to DC
common, an additional wire must connect
the actuator AC neutral to the DC common
of the PTEC/TEC AO being used to control
the actuator.
Siemens Industry, Inc.
CAUTION
ATTENTION
24 Vac Modulating Control.
Function
Actuator
TEC
Symbol
Connection
1
H
Supply (SP)
2
C
Neutral (SN)
8
AO3 – 15
0 to 10V
(+)
input signal
--
C to AO3
Common
16 (-)
jumper
NOTE:
The controller's DOs control 24 Vac
loads only. The maximum rating is 12 VA
for each DO. An external interposing
relay is required for any of the following:
• VA requirements higher than the
maximum
• 110 or 220 Vac requirements
• DC power requirements
• Separate transformers used to power
the load
(for example, part number 540-147,
Terminal Equipment Controller Relay
Module)
Document No. 570-136
Installation Instructions
October 26, 2016
Terminal
Standard
Connection
Color
G
Red
G0
Black
Y
Gray
--
--
Page 7 of 11
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