Instruction Manual
748441-D
April 2002
Rosemount Analytical Inc. A Division of Emerson Process Management
Maintenance and Service 5-13
Model CAT100
Figure 5-9. Pin Assignments (View Looking At Rear Panel)
OK / Failure (NC)
OK / Failure (NO)
Measure / Calibration (NC)
Measure / Calibration (NO)
Pump OFF (NO) / ON (NC)
OK / Failure (Common)
Measure / Calibration (Common)
Pump OFF / ON (common)
Pump OFF (NC) / ON (NO)
NO = Normally open
NC = Normally closed
1
2
3
4
5
6
7
8
9
1
5
6
9
Gnd (V DC)
0(2)-10 VDC* Channel 1
0(4)-20 mA Channel 1
0(2)-10 VDC* Channel 2
0(4)-20 mA Channel 2
Return (mA)
Return (mA)
Return (mA)
Return (mA)
*Option: 0(0.2)-1 VDC
X2 OUTPUT
Analog Outputs (optically isolated)
9-Pos D-Subminiature Socket
1
2
3
4
5
6
7
8
9
1
5
6
9
X1 OUTPUT
Optional Output Relays
9-Pos D-Subminiature Plug
X4 OUTPUT
9-Pos D-Subminiature Socket
Optional RS232C Interface (optically isolated)
6
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
5
Optional RS485 Interface (optically isolated)
Gnd
RxD
TxD
Not used
Gnd
Not used
Not used
Not used
Not used
Gnd
RxD-
RxD+
TxD+
TxD-
Not used
Not used
Not used
Not used
1
5
6
9
1
2
3
4
5
6
7
8
9
Limit channel 2 max
Limit channel 2 min
Limit channel 1 max
Limit channel 1 min
Gnd
(Valve control span gas 2)
(Valve control span gas 1)
(Valve control zero gas)
(Valve control sample gas)
X3 OUTPUT
Digital Outputs (Optically isolated
)
9-Pos D-Subminiature Plug
Interfering gas 1
Interfering gas 1
Interfering gas 2
Interfering gas 2
Not used
Interfering gas 3
(Gnd) Interfering gas 3
Not used
Not used
Pin 1 = Chassis
Pin 2 = +24V DC
Pin 3 = 0V DC
Flange = Shield
1
3
2
24 V DC IN
ANALOG IN
Optional Cross Compensation inputs
9-Pos D-Subminiature Plug
1
2
3
4
5
6
7
8
9
1
5
6
9
Gnd
Gnd