Rockwell Automation 1336T PLC Comm. Adapter, Series B, FRN 2.xx-3.xx - Manual (Page 23)

1–7
Publication 1336 FORCE–5.13 –– September, 1998
The typical analog input connections for bidirectional operation can
be shown as follows:
COM (POWER SUPPLY COMMON)
IN + (ANALOG IN)
+ 10V DC (POWER SUPPLY)
IN – (ANALOG IN)
18
REFERENCE POT
2.5 k
Ω MINIMUM
TB21
17
– 10V DC (POWER SUPPLY) 19
ADC
REVERSE
FORWARD
R
Reverse
Reverse
Relay
Forward
TO TE
(SIGNAL GROUND TERMINAL BLOCK)
Note: Connect to Only One Set of Inputs
— IN4+ and IN4–
— IN3+ and IN3–
— IN2+ and IN2–
— IN1+ and IN1–
The following table shows the analog input specifications:
Specifications: Value:
Differential impedance Greater than 1 Ohm
Single ended impedance 20K Ohm
Maximum voltage
±
10V
Analog Outputs
The PLC Communications Adapter Board has 4 analog outputs that
have a range of
±
10V and a digital resolution of 12 bits. Chapter 2,
Starting Up, describes the parameters associated with scaling analog
values.
The typical analog output connections can be shown as follows:
OUT (ANALOG OUT)
COM (ANALOG OUT)
TB21
DAC
0 to ± 10V DC
1mA Maximum
100 Ohm
Maximum Impedance
TO TE
(SIGNAL GROUND TERMINAL BLOCK)
Note: Connect to Only One Set of Outputs
— COM4 and OUT4
— COM3 and OUT3
— COM2 and OUT2
— COM1 and OUT1