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SETPOINT
(closed loop)
FREQUENCY
REFERENCE
(open loop)
ISOLATED
FEEDBACK
(closed loop)
or
Not Used
(open loop)
Figure 5. Setpoint (Reference) and Feedback Signal Connections
When PID EPROM Set Is Used Without AI-14B Option Card
Refer to Sheet 1 for latest change.
SIGNAL TRIM
1R*
or
1RH*
(2K / 2.5KΩ)
4-20mA
0-10Vdc
GPD 503
(2KΩ)
+15 Vdc
15
(20mA MAX)
REF. IN
16
(0 TO 10Vdc)
17
COM
SHIELD
12
4-20mA
14
(250Ω)
0 TO 10Vdc
13
(20KΩ)
DWG. NO. 02Y00025-0346
SHEET NO. 6 OF 10
EFF. 6/12/92
( m - df )
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