Install Instructions
RP920A,B,C,D MODULAR PNEUMATIC CONTROLLERS
M17584
20
45
5
10
30
40
Xp (%)
%
20
80
60
40
0
100
W
1
7 6 5
40
20
0
60
80
100
%
Wc
B
C
B
C
+
+
1
1.5
2
3
4
5
7
10
15
20
Min
0.5
TR
DIR. REV.
POS.
NEG.
RP920D
5
150
250
300
50
100
Ac (%)
200
Connector
Block Module
Setpoint
Module
Proportional
Module
Switch
Block
Module
Integral
Module
Compensation
Module
2 3 1
BLP TEST TAP
PRIMARY SENSOR
GAGE PORT
GAGE
PLUGS
COMPENSATION SENSOR
OR BRANCH GAGE PORT
COMPENSATION STARTPOINT
ADJUSTMENT KNOB
PROPORTIONAL
BAND ADJUSTMENT
KNOB
MODULE KNOB SCREWS
(DO NOT LOOSEN)
1 – MAIN
2 – BRANCH
3 – PRIMARY
SENSOR
4 – VENT
5 – COMPENSATION
SENSOR
6 – VENT
7 – VENT
8 – CLOSED/REMOTE
SETPOINT
9 – CPA
RP920B,C,D
20
45
5
10
30
40
Xp (%)
%
20
80
60
40
0
100
W
1
DIR.
REV.
RP920A
Connector
Block Module
Setpoint
Module
Proportional
Module
2 3 1
BLP TEST TAP
PRIMARY SENSOR
GAGE PORT
GAGE PLUG
RP920A
1
2
4 8 9
132
1 – MAIN
2 – BRANCH
3 – PRIMARY
SENSOR
4 – VENT
8 – CLOSED/REMOTE
SETPOINT
9 – CPA
4 8 9
1
32
7
6
5
1
RP920B,D ONLY.
RP920C,D ONLY.
2
Fig. 2. Module and port Locations.
C5102
2 3 1
Connector
Block Module
SENSOR
SUPPLY OPEN
SENSOR SUPPLY BLOCKED
(EXTERNAL RESTRICTOR)
SCREW
SWITCHPLATE
POSITION INDICATOR
BLOCKED POSITION
SWITCHPLATE
OPEN POSITION
20
45
5
10
30
40
Xp (%)
DIR. REV. DIR. REV.
20
45
5
10
30
40
Xp (%)
NOTE LOCATION
OF NOTCH
DIRECT ACTING
REVERSE ACTING
DO NOT
ADJUST
SCREW
PROPORTIONAL MODULE
CAPTIVE SCREW (4)
CONTROLLER
LABEL
C5103
Fig. 3. Primary sensor air supply.
Gage Function and Integral Action Cut-off
Adjustment (RP920C and D)
The position of the gasket located under the switch block
module (Fig. 2) determines the function of the field-installed
Switch Block Module gage and enables/disables the integral
action cut-off function. See Table 1 for factory and field
settings.
Fig. 4. Changing controller action.
Table 1. Switch Block Gasket Position.
Model Field Setting
a
Options
RP920B B C
RP920C B B+
RP920D B C, C+, B+
a
Shipped from the factory in this position.
B = Branch line gage.
C = Compensation sensor gage.
+ = Integral action cut-off enabled.
95-7392EF 2