Partlow MIC 1460 Operating Manual

MIC 1460

1/4 DIN SETPOINT PROGRAMMER

OPERATORS MANUAL

FORM 3707
EDITION 1 © MAY 1996
PRICE $10.00

CIRCULAR CHART RECORDERS • STRIP CHART RECORDERS • DATA ACQUISITION SYSTEMS

DATALOGGERS • ANALOG AND MICROBASED CONTROLLERS

MECHANICAL RECORDERS AND CONTROLLERS

PARTLOW CORPORATION • 2 CAMPION ROAD • NEW HARTFORD, NY 13413 USA

1-800-866-6659 • 315-797-2222 • FAX [phone]

Information in this installation, wiring, and operation manual is subject to change
without notice. One manual is provided with each instrument at the time of ship­ment. Extra copies are available at the price published on the front cover.

Copyright © May 1996, The Partlow Corporation, all rights reserved. No part of
this publication may be reproduced, transmitted, transcribed or stored in a retrieval
system, or translated into any language in any form by any means without the
written permission of the Partlow Corporation.

This is the First Edition of the MIC 1460 manual. It was written and produced
entirely on a desk-top-publishing system. Disk versions are available by written
request to the Partlow Publications Department.

We are glad you decided to open this manual. It is written so that you can take full
advantage of the features of your new MIC 1460 setpoint programmer .

NOTE:
It is strongly recommended that Partlow equipped
applications incorporate a high or low limit protective device
which will shut down the equipment at a preset process
condition in order to preclude possible damage to property
or products.

Table of Contents

Section 1 - General Page

1.1 Product Description 1

Section 2 - Installation & Wiring

2.1 Unpacking Procedure 3

2.2 Panel Mounting 3

2.3 Wiring Guidelines 5

2.4 Input Connections 12

2.5 Output Connections 15

Section 3 - Operation

3.1 Power-up Procedure 20

3.2 Keypad Operation 20

3.3 Indicators 22

3.4 Displays 23

3.5 Alarm Status Indication 23

3.6 Viewing Program and Controller Parameters 24

3.7 Adjusting the Setpoint 24

3.8 Manual Control 25

3.9 Using the Pre-Tune Facility 25

3.10 Using the Self-Tune Facility 26

Section 4 - Configuration

4.1 Entry into Configuration 28

4.2 Hardware Definition Mode 29

4.3 Configuration Mode Parameters 31

4.4 Alarm Inhibit Facility 35

4.5 Exit from Configuration Mode 35

Section 5 - Controller Define Mode

5.1 Controller Parameters 37

5.2 Base Mode Displays 52

5.3 Loop Alarm and Loop Alarm Time 52

5.4 Exiting Controller Define Mode 53

MIC 1460 ManualEdition 1 i

Section 6 - Program Define Mode

6.1 Entry into Program Define 54

6.2 Paramters Common to All Programs 55

6.3 Parameters which apply to a Specific Program 57

6.4 Parameters in any/each Segment 61

6.5 Using Join, Repeat, and End Segments 64

6.6 Basic Rules to Remember 66

6.7 Exiting Program Define Mode 66

Section 7 - Programs

7.1 Selecting and Running a Program 67

7.2 Changing Timebase 67

7.3 Holding Manually 67

7.4 Jumping to Next Segment 68

7.5 Viewing Program Status 68

7.6 Aborting a Program 69

7.7 End of Progam Indication 69

7.8 Viewing Program/Control Parameters 70

Appendices

A - Input Range Codes 71
B - Board Layout - Jumper positioning 73

Figure B-1 PCB Positions 73
Figure B-2 Output 2/Output 3 Removal 74
Figure B-3 CPU PWA 75
Figure B-4 PSU PWA with Relay or SSR Out.1 76
Figure B-5 PSU PWA with DC Output 1 77

Figure B-6 Option PWA DC Output 2/Output 3 78
C - Specifications 79
D - Model Number Hardware Matrix 87
E - Software Reference Sheet 88

MIC 1460 Manual Edition 1ii

Figures

Figure 1-1 Front Panel 2
Figure 2-1 Panel Cut-Out Dimensions 3
Figure 2-2 Main Dimensions 4
Figure 2-3 Panel Mounting the controller 5
Figure 2-4 Noise Suppression 8
Figure 2-5 Noise Suppression 8
Figure 2-6 Rear Terminal Connections 10
Figure 2-6A Rear Terminal Connections 11
Figure 2-7 Main Supply 12
Figure 2-7A 24V Nominal AC/DC Supply 13
Figure 2-8 Thermocouple (T/C) Input 13
Figure 2-9 RTD Input 14
Figure 2-10 Volt, mV Input 14
Figure 2-11 mA DC Input 14
Figure 2-12 Remote Digital Communications 15
Figure 2-13 Relay Output 1 15
Figure 2-14 SSR Driver Output 1 15
Figure 2-15 mADC Output 1 16
Figure 2-16 Relay Output 2 16
Figure 2-17 SSR Driver Output 2 16
Figure 2-18 mADC Output 2 17
Figure 2-19 Relay Output 3 17
Figure 2-20 SSR Driver Output 3 17
Figure 2-21 mADC Output 3 18
Figure 2-22 End of Program Output 18
Figure 2-23 Event Outputs 18
Figure 2-24 Remote Program Output 19
Figure 5-1 Proportional Band and Deadband/Overlap 48
Figure 5-2 Alarm Operation 49
Figure 5-3 Alarm Hysteresis Operation 51
Figure 6-1 Auto Hold Operation 60

MIC 1460 ManualEdition 1 iii

MIC 1460 Manual Edition 1iv

Section 1 - General

1.1 PRODUCT DESCRIPTION

This instrument is a powerful, easy-to-use 1/4 DIN setpoint programmer
with full PID control capability (complete with Self-Tune and Pre-T une facili­ties).

Its standard features include:

• Up to eight programs of up to 16 free-format (e.i. dwell, ramp, join, or
end) segments each.

• Facility to join programs to one another in any sequence (maximum
program length 121 segments)

• User can change currently-running program segment.

• Delayed Start of Program facility

• End of Program relay output

• Universal input-thermocouple, RTD (PT100) or DC linear ­ user-selectable.

• Universal power supply (90 -264V AC 50/60 Hz)

• Configurable from front panel

• Comprehensive front panel displays

• Front panel sealing to NEMA 4 standard

• Behind-panel depth only 100mm (3.94 inchs)

Optional features include:

• Remote control and selection of program (plug-in option)

• Up to four Event relay outputs (plug-in option)

• Second control output

• Recorder output (setpoint or process variable)

• RS-485 serial communications

• User-definable program tag names

• Support software (Off-line Configurator, On-line Graphic Program
Editor) - operates via RS-485 communications link.

MIC 1460 ManualEdition 1 1

The Setpoint Programmer has four operating modes:

Base Mode: Day to day PID control operations with no program running.
In this mode, a program may be selected to run.

Program Run Mode: A selected program is running, held or waiting for a
pre-defined delay before starting. In this mode, the operator can view
status and program information.

Program Define Mode:* Used to view/create/edit programs. this mode
is entered either from Base Mode (selected program may be edited/
created) or from Program Run Mode (currently-running program may be
edited).

Controller Define Mode:** Used to define the controller characteristics.
* Entry via Lock Code; also optional Program Lock prevents changing of

program definitions while a program is running.
** Enry via a Lock Code.

FIGURE 1-1

Front Panel

MIC 1460 Manual Edition 12

Section 2 - Installation & Wiring

2.1 UNPACKING PROCEDURE

1. Remove the instrument from its packing. The instrument is supplied
with a panel gasket and push-fit strap. Retain the packing for future use,
should it be necessary to transport the instrument to a different site or
return it to the factory for repair/testing.

2. Examine the delivered items for damage or deficiencies. If any is
found, notify the carrier immediately. Check that the model number
shown on the label affixed to the instrument housing corresponds to that
ordered (see Appendix D).

2.2 PANEL-MOUNTING THE SETPOINT PROGRAMMER

The panel on which the instrument is to be mounted must be rigid and may
be up to 6.0 mm (.25 inches ) thick. The cutout required for a single instru­ment is shown in Figure 2-1.

FIGURE 2-1

Cut-Out Dimensions

92 mm +0.5 - 0.00

(3.62”+.020 - .000)

PANEL
CUTOUT
SIZE

92 mm + 0.5 - 0.0

(3.62” + .020 - .000)

MIC 1460 ManualEdition 1 3

The main dimensions of the instrument are shown below.

FIGURE 2-2

Main Dimensions

100 mm (3.94 in.)

96 mm
(3.78 in)

Side View

96 mm
(3.78 in.)

Max. Panel Thickness 6.0mm (.25 inches)

10 mm (0.39 in.)

To panel-mount the instrument:

1. Insert the rear of the instrument housing through the cutout (from the
front of the mounting panel) and hold the instrument lightly in position
against the panel. Ensure that the panel gasket is not distorted and that
the instrument is positioned squarely against the mounting panel. Apply
pressure to the front panel bezel only.

Caution: Do not remove the panel gasket, as this may result
in inadequate clamping of the instrument in the panel.

2. Slide the fixing strap in place (Figure 2-3) and push it forward until it
is firmly in contact with the rear face of the mounting panel (the tongues
on the strap should have engaged in matching rachet positions on the
instrument housing and the fixing strap springs should be pushing firmly
against the mounting panel rear face).

MIC 1460 Manual Edition 14

Once the instrument is installed in its mounting panel, it may be subse­quently removed from its housing, if necessary, as described in Appendix
B.

FIGURE 2-3

Panel-Mounting the Instrument

Mounting Clamp

Controller Housing

Tongues on mounting clamp engage in
ratchet slots on controller housing

2.3 PREPARATION FOR WIRING

Electrical noise is a phenomenon typical of industrial environments. The
following are guidelines that must be followed to minimize the effect of
noise upon any instrumentation.

2.3.1 INST ALLATION CONSIDERA TIONS

Listed below are some of the common sources of electrical noise in the
industrial environment:

• Ignition T ransformers

• Arc Welders

• Mechanical contact relay(s)

• Solenoids

MIC 1460 ManualEdition 1 5

Before using any instrument near the device listed, the instructions below
should be followed:

1. If the instrument is to be mounted in the same panel as any of the
listed devices, separate them by the largest distance possible. For maxi­mum electrical noise reduction, the noise generating devices should be
mounted in a separate enclosure.

2. If possible, eliminate mechanical contact relay(s) and replace with
solid state relays. If a mechanical relay being powered by an instrument
output device cannot be replaced, a solid state relay can be used to
isolate the instrument.

3. A separate isolation transformer to feed only instrumentation should
be considered. The transformer can isolate the instrument from noise
found on the AC power input.

4. If the instrument is being installed on existing equipment, the wiring in
the area should be checked to insure that good wiring practices have
been followed.

2.3.2 AC POWER WIRING

Neutral (For 1 15 VAC)
It is good practice to assure that the AC neutral is at or near ground poten­tial. To verify this, a voltmeter check between neutral and ground should be
done. On the AC range, the reading should not be more than 50 millivolts.
If it is greater than this amount, the secondary of this AC transformer sup­plying the instrument should be checked by an electrician. A proper neutral
will help ensure maximum performance from the instrument.

2.3.3 WIRE ISOLA TION

Four voltage levels of input and output wiring may be used with the unit:

• Analog input or output (i.e. thermocouple, R TD, VDC, mVDC, or
mADC)

• SPDT Relays

• SSR driver outputs

• AC power

MIC 1460 Manual Edition 16

The only wires that should run together are those of the same category. If
they need to be run parallel with any of the other lines, maintain a minimum
6 inch space between wires. If wires must cross each other , do so at 90
degrees. This will minimize the contact with each other and reduces "cross
talk". "Cross Talk" is due to the EMF (Electro Magnetic Flux) emitted by a
wire as current passes through it. This EMF can be picked up by other
wires running in the same bundle or conduit.

In applications where a High Voltage Transformer is used (i.e. ignition sys­tems) the secondary of the transformer should be isolated from all other
cables.

This instrument has been designed to operate in noisy environments, how­ever , in some cases even with proper wiring it may be necessary to sup­press the noise at the source.

2.3.4 USE OF SHIELDED CABLE

Shielded cable helps eliminate electrical noise being induced on the wires.
All analog signals should be run with shielded cable. Connection lead
length should be kept as short as possible, keeping the wires protected by
the shielding. The shield should be grounded at one end only. The pre­ferred grounding location is the sensor, transmitter, or transducer .

2.3.5 NOISE SUPPRESSION AT THE SOURCE

Usually when good wiring practices are followed no further noise protection
is necessary. Sometimes in severe electrical environments, the amount of
noise is so great that it has to be suppressed at the source. Many manu­facturers of relays, contactors, etc. supply "surge suppressors" which
mount on the noise source.

For those devices that do not have surge suppressors supplied. RC (resis­tance-capacitance) networks and/or MOV (metal oxide varistors) may be
added.

Inductive Coils - MOV's are recommended for transient suppression in
inductive coils connected in parallel and as close as possible to the coil.
See Figure 2-4. Additional protection may be provided by adding an RC
network across the MOV.

MIC 1460 ManualEdition 1 7

FIGURE 2-4

0.5
mfd
1000V

220
ohms

115V 1/4W
230V 1W

Coil

Contacts - Arcing may occur across contacts when the contact opens and
closes. This results in electrical noise as well as damage to the contacts.
Connecting a RC network properly sized can eliminate this arc.

For circuits up to 3 amps, a combination of a 47 ohm resistor and 0.1 mi­crofarad capacitor (1000 volts) is recommended. For circuits from 3 to 5
amps, connect 2 of these in parallel. See Figure 2-5, below.

FIGURE 2-5

MOV

R C

Inductive
Coil

MIC 1460 Manual Edition 18

2.3.5 SENSOR PLACEMENT (THERMOCOUPLE OR RTD)

Two wire RTD's should be used only with lead lengths less than 10 feet.
If the temperature probe is to be subjected to corrosive or abrasive condi-

tions, it should be protected by the appropriate thermowell. The probe
should be positioned to reflect true process temperature:

In liquid media - the most agitated area
In air - the best circulated area

MIC 1460 ManualEdition 1 9

FIGURE 2-6

Rear Terminal Connections

OUTPUT 3

Relay

END OF
PROGRAM
OUTPUT

+

INPUT

Linear (mA)

-

N/O

N/C

-

­+

+

RTD

Linear (V/mV)

Thermocouple

C

N/C

SSR/DC

-

9
8
7
6
5
4
3

2
1

24

N/OC

+

11

1210

23 22

13
14
15
16

17
18
19

20
21

MAINS (LINE)
SUPPLY

24V 24V

L

AC DC

N

B

RS485

A

COM

-

+

SERIAL
COMMS.

N/C

C

SSR/DC

N/O

-

+

Relay

OUTPUT 1

+

SSR/DC

N/O

MIC 1460 Manual Edition 110

C

Relay

OUTPUT 2

-

N/C

FIGURE 2-6A

RESET

RUN/HOLD

REMOTE INPUTS

X60 (FAST)

R0

R1
R2

C

33
32

31
30

29
28
27
26
25

34

#1

35
36

#2

37

38

#3

39

EVENT OUTPUTS

40

#4

41
42

MIC 1460 ManualEdition 1 11

2.4 Input Connections

In general, all wiring connections are made to the instrument after it is in­stalled. Avoid electrical shock. AC power wiring must not be connected to
the source distribution panel until all wiring connection procedures are
completed.

Caution: This equipment is designed for installation in an
enclosure which provide adequate protection against elec­tric shock. Local regulations regarding electrical installa­tion should be rigidly observed. Consideration should be
given to prevention of access to the power terminations by
unauthorized personnel. Power should be connected via a
two pole isolating switch (preferably situated near the equip­ment) and a 1 A fuse, as shown in Figure 2-7.

FIGURE 2-7

Main Supply
The instrument will operate on 90-264V AC 50/60 Hz mains (line) supply.
The power consumption is approximately 4 VA. If the instrument has relay
outputs in which the contacts are to carry mains (line) voltage, it is recom­mended that the relay contact mains (line) supply should be switched and
fused in a similar manner but should be separate from the instrument
mains (line) supply.

L

13

N

14

MIC 1460 Manual Edition 112

Line

Neutral

FIGURE 2-7A

24V Nominal AC/DC Supply
The supply connection for the 24V AC/DC option of the instrument are as
shown below . Power should be connected via a two pole isolating switch
and a 315 mA slow -blow (anti-surge type T) fuse. With the 24V AC/DC
supply option fitted, these terminals will accept the following supply voltage
ranges:

24V (nominal) AC 50/60Hz - 20-50V
24V (nominal) DC - 22-65V

L

13

14

N

24V AC
50/60Hz

-

24V DC

+

FIGURE 2-8

Thermocouple (T/C) Input
Make the thermocouple connections as illustrated below. Connect the
positive leg of the thermocouple to terminal 2 and the negative leg to
terminal 3.

-

+

Thermocouple

FIGURE 2-9

RTD Input
Make RTD connections as illustrated below. For a three wire RTD, connect
the resistive leg of the RTD to terminal 1 and the common legs to terminals
2 and 3. For a two wire RTD, connect one leg to terminal 2 and the other
leg to terminal 3 as shown below. A jumper wire supplied by the customer
must be installed between terminals 2 and 3. (Continued on next page)

3

2

MIC 1460 ManualEdition 1 13

Input conditioning jumper must be positioned correctly (see Appendix B)
and Hardware Definition Code must be correct (see Appendix C).

3

2

RTD

1

FIGURE 2-10

V olt, mV Input
Make volt and millivolt connections as shown below . Terminal 2 is positive
and terminal 3 is negative. Input conditioning jumper must be positioned
correctly (see Appendix B) and Hardware Definition Code must be correct
(see Appendix C).

-

+

Linear (V/mV)

FIGURE 2-11

mADC Input
Make mADC connections as shown below. Terminal 4 is positive and termi­nal 1 is negative Input conditioning jumper must be positioned correctly
(see Appendix B) and Hardware Definition Code must be correct (see Ap­pendix C).

+

3

2

1

4

3

Linear (mA)

-

MIC 1460 Manual Edition 114

2

1

FIGURE 2-12

Remote Digital Communications - RS485
Make digital communication connections as illustrated below .

16

17

18

B

A

COM

Output Connections 2.5

FIGURE 2-13

Relay Output 1 (Control Output 1)
Connections are made to Output 1 relay as illustrated below. The contacts
are rated at 2 amp resistive, 120/240 VAC .

19

N/C

20

21

FIGURE 2-14

SSR Driver Output 1 (Control Output 1)
Connections are made to Output 1 SSR Driver as illustrated below. The
solid state relay driver is a non-isolated 0-4 VDC nominal signal. Output
impedance is 250 ohms.

19

20

21

C

Relay

N/O

-

SSR

+

MIC 1460 ManualEdition 1 15

FIGURE 2-15

mADC Output 1 (Control Output 1)
Make connections for DC Output 1 as illustrated below.

19

20

21

FIGURE 2-16

Relay Output 2 (Control Output 2 OR Alarm 2)
Connections are made to Output 2 relay as illustrated below. The contacts
are rated at 2 amp resistive, 120/240 VAC.

24 23 22

-

DC

+

N/O

FIGURE 2-17

SSR Driver Output 2 (Control Output 2 OR Alarm 2)
Connections are made to Output 2 SSR Driver as illustrated below. The
solid state relay driver is a non-isolated 0-4 VDC nominal signal. Output
impedance is 250 ohms.

24 23 22

+

C

Relay

SSR

N/C

-

MIC 1460 Manual Edition 116

FIGURE 2-18

mADC Output 2 (Control Output 2)
Make connections for DC Output 2 as illustrated below.

24 23 22

+

DC

FIGURE 2-19

Relay Output 3 (Alarm 1)
Connections are made to Output 3 relay as illustrated below. The contacts
are rated at 2 amp resistive, 120/240 VAC.

Relay

10 11 12

FIGURE 2-20

SSR Driver Output 3 (Alarm 1)
Connections are made to Output 3 SSR Driver as illustrated below. The
solid state relay driver is a non-isolated 0-4 VDC nominal signal. Output
impedance is 250 ohms.

-

N/OCN/C

SSR

-

10 11 12

+

MIC 1460 ManualEdition 1 17

FIGURE 2-21

mADC Output 3 (Recorder Output Only)
Make connections for DC output 3 as illustrated below.

DC

-

10 11 12

FIGURE 2-22

End of Program Output
Connections are made to End of Program Output as shown below. The
contacts are rated at 5 amp resistive, 120/240 V AC.

N/O
END OF
PROGRAM
OUTPUT

C

N/C

+

9
8
7

FIGURE 2-23

Event Outputs (optional)
If the Event Outputs have been specified, make connections as shown on
top of next page. The contacts are rated at 5 amps, 120/240 VAC.

MIC 1460 Manual Edition 118

34
35

36
37

38

39
40

41

42

#1

#2

#3

EVENT OUTPUTS

#4

FIGURE 2-24

Remote Program Inputs (optional)
If the Remote Program Control Inputs has been specified, make connec­tions as shown.

33

R0

32

R1

31

R2

RESET

RUN/HOLD

30

29

REMOTE INPUTS

C

28
27

X60 (FAST)

Note: Only one remote connection shown for clarity.

MIC 1460 ManualEdition 1 19

Section 3 - Operation

3.1 POWER UP PROCEDURE

Verify all electrical connections have been properly made before applying
power to the instrument.

If the instrument is being powered for the first time, it may be desirable to
disconnect the controller output connections. The instrument will be into
control following the power up sequence and the output(s) may turn ON .
During Power up, a self-test procedure is initiated during which all LED
segments in the two front panel displays appear and all LED indicators are
ON . When the self-test procedure is complete, the instrument reverts to
normal operation.

Note: When power is first applied, a delay of approx. 3 seconds will be
seen before the displays light up.

3.2 KEYPAD OPERATION

Mode Key

MODE

Changes mode of instrument.

Scroll Key
Displays the next parameter in sequence (indicated by Mes­sage display).

Up Key
Increments displayed parameter value/cycles through options.

Down Key
Decrements displayed parameter value/cycles through options.

MIC 1460 Manual Edition 120

PROF

PROF Key
Cycles through Program (profile) numbers.

RUN/HOLD

RUN/HOLD Key
Runs, holds or aborts current program (profile).

Selects/de-selects Self-T une and Pre-Tune (when

MODE

+

+

+

PROF

MODE

message display shows appropriate message).

Jumps to next segment, when program is
running.

Selects/de-selects Manual Control

+

Sets a segment to Dwell when defining a
program.

MIC 1460 ManualEdition 1 21

3.3 INDICATORS

Control Status Indicators

AT
ALM

OP1
OP2
MAN

RUN
HLD
x60

A T - ON when Self-Tune is active; flashes when Pre-

Tune is active.

ALM - Flashes when any alarm is active.
OP1 - ON when primary control output is active.
OP2 - ON when secondary control output (if fitted) is

active.

MAN - ON when Manual Control is selected.
Run Status Indicators
RUN - ON - Program running or (if HLD ON also) held

Flashing - Program in Delayed state

HLD - ON - Program held

Flashing - Program in Auto-Hold

x60 - OFF - timebase = hours/minutes

ON - timebase = minutes/seconds

EV1
EV2
EV3

EV4

SET
PRG

Event Indicators
Each indicates the status (active or inactive) of a user-defined

event (OFF = inactive, ON = active)

Mode Indicators
SET - ON when Controller Define Mode or Program

Define Mode is entered; flashes when viewing
parameters in Controller Define Mode or Program
Define Mode after entry from Base Mode.

PRG - ON when Program Define Mode is entered.

MIC 1460 Manual Edition 122

3.4 DISPLAYS

PROGRAM NUMBER

Number of currently­selected program

UPPER DISPLAY

Process Variable value

LOWER DISPLAY

Setpoint value or value/setting
of parameter being viewed/edited.

MESSAGE DISPLAY

CURRENT RAMP STATE

= UP Ramp

= DOWN Ramp
BOTH ON = Dwell
Both flashing = In Manual Control while
program is running

SEGMENT NUMBER

Number of current segment

3.5 ALARM STATUS INDICATION

When any alarm is active, the ALM indicator will flash. To view the main
status in the Message Display, press the SCROLL key until a display ap­pears in the form:

Appears only if Alarm 1 is active

Appears only if Alarm 2 is active
Appears only if the Loop Alarm is active

MIC 1460 ManualEdition 1 23

3.6 VIEWING PROGRAM AND CONTROLLER PARAMETERS

In Base Mode (i.e. with no program currently running or held), the MODE
key gives "view only" access to Program Define Mode and Controller De­fine Mode.

VIEW ONLY

CONTROLLER

DEFINE

MODE

BASE

MODE

MODE

VIEW ONLY

PROGRAM

DEFINE

MODE

MODE

MODE

3.7 ADJUSTING THE CONTROLLER SETPOINT

With the Setpoint Programmer in Base Mode (i.e. with the RUN, HLD, SET,
and PRG indicators OFF), the two main displays will show the process
variable value (upper display) and the setpoint value (lower display - Read
Only). To change the setpoint value:

1. Press the SCROLL key, the Message Area will display:

2. Use the UP and DOWN keys to change the setpoint value (in the
lower display) as required.

3. When the setpoint value is set as desired, press the SCROLL key
again to return to the initial display.

MIC 1460 Manual Edition 124

3.8 MANUAL CONTROL

In any mode except Configuration Mode, the operator may select manual
control of the process by simultaneously pressing the SCROLL and MODE
keys, provided Manual Mode is enabled in Controller Define Mode. The
instrument will then enter Base Mode or (if a program is currently running)
Program Run Mode with the program held. The Message Display will
show:

and the lower Main Display will show the power output value, which may
then be adjusted using the UP and DOWN keys. While manual control is
being used, the power output display is included in the displays available in
Base Mode and Program Run Mode.

To cancel manual control, press the SCROLL and MODE keys simulta­neously, wereupon the power out value display and the Power message
display will disappear and the Setpoint Controller will remain in whatever
mode prevailed when manual control was cancelled (if this is Program Run
Mode, the currently-running program will be resumed from the point at
which it was held).

3.9 USING THE PRE-TUNE FACILITY

The Pre-Tune facility is used to set the instrument's PID control parameters
to values which are approximately correct in order to provide a base from
which the Self-Tune facility may subsequently optimize tuning. Pre-T une
may be activated as follows:

1. With the instrument in Base mode (with the RUN and HLD indicators
OFF), press the SCROLL key until the Message Display shows:

MIC 1460 ManualEdition 1 25

and the lower Main Display shows:

2. Press the MODE and UP keys to change the lower Main Display to:

indicating that the Pre-Tune facility is now activated. The AT indicator
will flash.

NOTES:

1. If the process variable is within 5% of the input span from the
setpoint, the Pre-Tune facility cannot be activated and any attempt
to do so will have no effect.

2. Since the Pre-Tune facility is a single-shot operation, it will auto­matically de-activate itself once the operation is complete.

To de-activate the Pre-Tune facility manually (with the instrument in Base
Mode), press the SCROLL key to obtain the same Message Displays
above; then press the MODE and UP keys simultaneously to change the
lower Main display from ON to OFF.

3.10 USING THE SELF-TUNE FACILITY

The Self-T une facility is used to optimize tuning while the Controller part of
the instrument is operating. Self Tune may be activated as follows:

1. With the instrument in Base Mode (with RUN and HLD indicators
OFF), press the SCROLL key until the Message Display shows:

MIC 1460 Manual Edition 126

and the lower Main Display shows:

2. Press the MODE and UP keys to change the lower Main Display to:

indicating that the Self-T une facility is now activated. The AT indicator is
on continuously.

To de-activate the Self-Tune facility, press the SCROLL key to obtain the
same Message Display as above; then press the MODE and UP keys si­multaneously to change the lower Main Display from ON to OFF.

MIC 1460 ManualEdition 1 27

Section 4 - Configuration

4.1 ENTRY INTO CONFIGURATION MODE

To enter Configuration Mode:

1. Ensure that the instrument is powered down.

2. Power-up the instrument and within 30 seconds of power-up, hold
down the UP and SCROLL keys simultaneously for approximately five
seconds.

NOTE: This must be the first key action after power-up.

The instrument will then enter Configuration Mode, whereupon the upper
and lower main displays will initially be of the form:

showing the current input code selected, and the Message Display will
show:

The user may then step through the Configuration Mode parameters using
the SCROLL key. For each parameter, the Message Display will show a
legend identifying that parameter and the lower main display will show the
current setting of that parameter. The setting may be adjusted using the
UP/DOWN keys. As soon as the setting is changed, the lower main display
will flash, indicating that the new setting has yet to be confirmed. When the
setting is as required, it may be confirmed by pressing the MODE key,
whereupon the upper display will stop flashing.

MIC 1460 Manual Edition 128

NOTE: Changes to the setting of certain Configuration Mode pa­rameters (i.e. input range, output use and type) will cause the Pro­gram Define Mode and Controller Define Mode parameters to be
automatically set to their default values.

4.2 HARDWARE DEFINITION CODE

This parameter is a special facility in Configuration Mode, which is used to
specify the hardware fitted (input type, output types, etc); this must be com­patible with the hardware actually fitted. It can be accessed, with the in­strument in Configuration Mode, by simultaneously pressing the DOWN
and SCROLL keys. The Message Display will then show:

and lower main display will be of the form:

Input Type
1 RTD/Linear (mV)
2 Thermocouple
3 Linear DC (mA)
4 Linear DC (V)

Output 1 Type
1 Relay Output
2 SSR Output
3 DC Output (0-10V)
4 DC Output (0-20mA)
5 DC Output (0-5V)
7 DC Output (4-20mA)

Output 3 Type
0 None
1 Relay Output (Alarm Output Only)
2 SSR Output (Alarm Output Only)
3 DC Output 0-10V (Recorder Output Only)
4 DC Output 0-20mA (Recorder Output Only)
5 DC Output 0-5V (Recorder Output Only)
7 DC Output 4-20mA (Recorder Output Only)

Output 2 Type
0 None
1 Relay Output (Control or Alarm Output)
2 SSR Output (Control or Alarm Output)
3 DC Output 0-10V (Control Output Only)
4 DC Output 0-20mA (Control Output Only)
5 DC Output 0-5V (Control Output Only)
7 DC Output 4-20mA (Control Output Only)

MIC 1460 ManualEdition 1 29

The displayed code may be incremented/decremented using the UP/

Event Output

Option PCB

fitted

DOWN keys as required. The maximum setting available for this code is

4777. For example, the code for a thermocouple input, 4-20mA DC primary
output (Output 1) and relay Output 3 would be 2701. When the code is first
altered, the code display will flash, until the desired value is displayed and
confirmed by pressing the MODE key.

NOTE: It is essential that this code is changed promptly whenever
there is a change to the instrument's hardware configuration
(change of input/output type, alarm/recorder output added/removed
etc.). The instrument software depends upon this code to operate
correctly.

Hardware Definitions may be viewed as Read Only displays in Base Mode
by pressing the SCROLL and DOWN keys simultaneously.

While the Hardware Definition Code is displayed, pressing the SCROLL key
will cause the Message Display to change to:

and the lower main display to change to one of:

No option PCB

fitted

Both Option

PCBs fitted

Digital Input
Option PCB

fitted

The desired setting can be achieved using the UP/DOWN keys.

MIC 1460 Manual Edition 130

Press the SCROLL key to change the Message Display to:

and the lower main display to one of:

RS485

Communications

Option PCB not

fitted

RS485

Communications

Option PCB fitted -

Programmer acting as

slave device

Option PCB fitted -

Programmer acting as

RS485

Communications

master device

The desired setting can be achieved using the UP/DOWN keys.
To exit from the Hardware Definition Code facility, press the DOWN and

SCROLL keys simultaneously (which will cause a return to the normal Con­figuration Mode). Alternatively, either of the methods of exit from Configu­ration Mode may be used here.

4.3 CONFIGURATION MODE PARAMETERS

The Configuration Mode parameters are presented for view/edit in the fol­lowing sequence:

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
1 Primary Input Input Code display- See App. A

Range

5

ed defines
input type/
range (see
App. A)

2 Control Action Control Specifies dir - Direct

control Acting
action of rEu- Reverse
Output 1

1

Acting

MIC 1460 ManualEdition 1 31

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTINGS
3 Alarm 1 T ype Alarm 1 Specifies P_hi- Process

Alarm 1 High
Operation P_Lo-Process

Low
dE-Deviation
bAnd-Band
nonE-None

4 Alarm 2 T ype Alarm 2 Specifies P_hi-Process

Alarm 2 High
Operation P_Lo-Process

Low
dE-Deviation
bAnd-Band
nonE-None

5 Alarm Inhibit Inhibit Specifies nonE-No

which alarms inhibit
are inhibited ALA1-Alarm1

ALA2-Alarm 2
both-Both
Alarms

6 Output 2 Usage Out2 Use Specifies out2-Control

use of Output
Output 2

2

A2_d-Alarm 1
(direct)
A2_r-Alarm 2
(reverse)
Or_d-Alarm 1

OR 2

(direct)

(Continued on next page)

MIC 1460 Manual Edition 132

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTINGS

Or_r-Alarm 1
OR 2

(reverse)

Ad_d-Alarm 1

AND 2

(direct)

Ad_r-Alarm 1

AND 2

(reverse)

LP_d-Loop

Alarm

(direct)

LP_r-Loop

Alarm

(reverse)

7 Output 3 Useage Out3 Use Specifies Al_d-Alarm 1

use of (direct)
Output 3

3

Al_r-Alarm 1
(reverse)
Or_d-Alarm 1

OR 2

(direct)

Or_r-Alarm 1
OR 2

(reverse)

Ad_d-Alarm 1

AND 2

(direct)

Ad_r-Alarm 1

AND 2

(reverse)

LP_d-Loop

Alarm

(direct)

(Continued on the next page)

MIC 1460 ManualEdition 1 33

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTINGS

LP_r-Loop

Alarm

(reverse)

rEcS-Rcdr

Output

(SP)

rEcP-Rcdr

Output

(PV)

8 Segment Mode Seg Mode Defines para- ti- Time

meter used to rA-Ramp Rate
specify duration
of each segment
(along with final
SP value)

9 Baud Rate

6

Baud Rate Selects Baud Numeric

Rate for RS485 value: 1200,
Comms. 2400, 4800 or

9600

10 Address

6,7

Address Selects RS485 Numeric

comm. address value in range

1-32

11 CJC

4

Enable/ CJC Enables/ EnAb-enabled

Disabled disables cold diSA-disabled

junction comp.

12 Lock Code Lock Displays Read Only-

Code current lock no adjustment

code value in Conf. Mode

For Notes on Configuration Mode Parameters, see next page.

MIC 1460 Manual Edition 134

Notes on Configuration Mode Parameters

1. If the secondary output is chosen as Output 2 (COOL) control output, its
action is always the compliment of the action of Output 1.

2. The default setting for Output 2 Usage is Alarm 2 hardware output,
direct-acting (if relay/SSR output) or Output 2 - COOL (if DC output).

3. The default setting for Output 3 Usage is Alarm 1 hardware output,
direct-acting (if relay/SSR output) or Process Variable Recorder Output
(if DC output)

4. This parameter does not appear in the sequence if the input type
selected is not thermocouple. If the CJC is disabled, the initial display in
Operator Mode will show horizontal bars flashing in the lower display.

5. The primary input default setting is dependent upon the hardware fitted,
as indicated in the Hardware Definition Code.

6. These parameters do not appear if the Hardware Definition Comms
parameters is set to nonE.

7. This parameter does not appear if the Programmer communications
option is set to operate in Master mode.

4.4 ALARM INHIBIT FACILITY

On power-up, an "alarm" condition may occur, based on the alarm value,
the process value and, if appropriate to the alarm type, the setpoint value.
This would normally activate an alarm; however, if the pertinent alarm is
inhibited, the alarm indication is suppressed and the alarm will remain inac­tive. This will prevail until the "alarm" condition returns to the "inactive"
state, whereafter the alarm will operate normally.

4.5 EXIT FROM CONFIGURATION MODE

To leave Configuration Mode, depress the UP and SCROLL keys simulta­neously.

Note: An automatic exit to Base Mode will be made if, in Configura­tion Mode, there is no front panel key activity for five minutes.

The exit is made via the power-up self-test routines which includes a lamp
test.

MIC 1460 ManualEdition 1 35

Section 5 - Defining The Controller Parameters

(Controller Define Mode)

Entry can be made into this mode from Program Define Mode, Program
Run Mode or Base Mode.

To enter from Base Mode or Program Run Mode:

1. Press the SCROLL and UP keys simultaneously. The lower display
will show 0 and the Message Display will show:

2. Use the UP and DOWN keys to set the value in the lower Main Dis­play to the correct Lock Value (defined by the user in Controller Define
Mode) and press the SCROLL key. The Setpoint Programmer is now in
Program Define Mode.

Note: If an incorrect Lock Code value is entered, the instrument will
return to the original mode (i.e. Base Mode or Program Run Mode)

3. Press the MODE key.
The instrument is now in the Controller Define Mode.
Upon entry into the Controller Define Mode, the SET indicator will then

come ON and the first of the Controller parameters (Input Filter Time Con­stant) will be presented for editing/viewing. Using the SCROLL key, step
through the sequence of Controller parameters, editing as required (using
the UP/DOWN keys).

MIC 1460 Manual Edition 136

5.1 CONTROLLER PARAMETERS

The Controller parameters appear in the following sequence:

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
1 Input Filter Time Filter Defines time 0.0 seconds

Constant constant for (filter OFF) to

input filter 100.0 sec­(removes onds in 0.5
extraneous increments.
impulse from Default =
the process 2.0 seconds.
variable input.

2 Process V ariable Offset Modifies actual For linear

Offset

1

PV value: input, limited
Offset PV + by Scale
Actual PV = Range Max.
PV value used and Scale

Range Min.
Default=0.

3 Output 1 Power Out1 Indicates Not adjustable

current Output1 "Read Only"
power level

4 Output 2 Power

2

Out2 Indicates No adjustable

current Output2 "Read Only"
power level

5 Proportional P.Band 1 Defines portion 0.0% (ON/

Band 1 (PB1) of input span OFF control)

in which the to 999.9%
Output 1 power of input span.
level is propor- Default =
tional to the 10.0%
(offset) process
variable value

MIC 1460 ManualEdition 1 37

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
6 Proportional P.Band 2 Defines portion 0.0% (ON/

Band 2

2

(PB2) of input span OFF control)

in which the to 999.9%
Output 2 power of input span.
level is propor- Default =
tional to the 10.0%
(offset) process
variable value

7 Reset

3

Reset Integral Time 1 second to

Constant 99 minutes

59 seconds
per repeat

8 Rate

3

Rate Derivative 00 seconds to

Time Constant 99 minutes

59 seconds

9 Overlap or Overlap Defines the -20% to +20%

Deadband

4

portion of the (negative
proportional band value =
(PB1 + PB2) deadband,
over which both positive
outputs are value =
active (overlap) overlap)
or neither output Default = 0%
is active
(deadband)

10 Bias Bias Bias applied to 0% to 100%

(Manual Reset)

3

output power, (Output1 only)
expressed as -100% to
a percentage +100%
of output power (Output 1 &

Output 2)
Default=25%

MIC 1460 Manual Edition 138

MESSAGE AVAILABLE
STEP DESCRIPTION DISPLAY FUNCTION SETTING

11 ON/OFF Diff 1 Switching 0.1% to 10%

Differential

5

Diff 2 differential for of input span
Diff 1 output (Diff 1 Default=0.5%

or Diff 2) or both
outputs (Diff) set
to ON/OFF
control
(PB1, PB2 or
both = 0%)

12 Setpoint SP High The maximum Current

High Limit

6

limit for setpoint setpoint value
adjustment. to input
Should be set Range Max.
to a value which Default =
prevents Input Range
setpoint values Max.
causing damage
to the process.

13 Setpoint SP Low The minimum Input Range

Low Limit

6

limit for setpoint Min. to current
adjustment. setpoint
Should be set value.
to a value which Default =
prevents Input Range
setpoint values Minimum.
causing damage
to the process.

MIC 1460 ManualEdition 1 39

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
14 Recorder Output Rec High The value of -1999 to 9999

Scale Maximum

7

the process (decimal point
variable or as for the
setpoint (as process
applicable) variable
for which the input range).
recorder output Default =
is a minimum. Input Range

Max.

15 Recorder Output Rec Low The value of -1999 to 9999

Scale Minimum

7

the process (decimal point
variable or as for the
setpoint (as process
applicable) variable
for which the input range).
recorder output Default =
is a minimum. Input Range

Min.

16 Output Power Out High Limits the 0% to 100%

Limit

3

power level of
Output 1 (used
to protect the
process).

17 Output 1 CycTime1 Limits 0.5, 1, 2, 4,

Cycle Time

8

frequency of 8, 16, 32, 64,
operation of 128, 256 or
output relay 512 seconds.
to maximize Default =
relay life. 32 seconds.

MIC 1460 Manual Edition 140

MESSAGE AVAILABLE
STEP DESCRIPTION DISPLAY FUNCTION SETTING

18 Output 2 CycTime2 Limits 0.5, 1, 2, 4,

Cycle Time

8

frequency of 8, 16, 32, 64,
operation of 128, 256 or
output relay 512 seconds.
to maximize Default =
relay life. 32 seconds.

19 Process High HiAlarm1 If Alarm 1 is Input Range

Alarm 1 value a Process High Max. to Input

Alarm, the Range Min.
value of Default =
process Input Range
variable at or Max.
above which
Alarm 1 will
be active.

20 Process Low LoAlarm1 If Alarm 1 is Input Range

Alarm 1 value a Process Low Max. to Input

Alarm, the Range Min.
value of Default =
process Input Range
variable at or Min.
below which
Alarm 1 will
be active.

21 Band Alarm 1 BaAlarm1 If Alarm 1 is ± (input span)

value a Band Alarm, from setpoint.

the band of Default = five
process input units.
variable values
(centered on
the setpoint)
outside which
the process
variable will
cause this alarm
to be active.

MIC 1460 ManualEdition 1 41

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
22 Deviation DeAlarm1 If Alarm 1 is ± (input

(High/Low) a Deviation range)
Alarm 1 High/Low from setpoint
value Alarm, gives Default =

a value above five input
(positive value) range units.
or below
(negative value)
the setpoint.
If the process
variable deviates
from the setpoint
by a margin
greater than this
value, the alarm
becomes active

23 Alarm 1 Al1 Hyst Value defines 1 LSD to 10%

Hysteresis a hysteresis of input span
value band on the (0 is an

"safe" side invalid value)
of the Alarm 1
value

24 Process High HiAlarm2 If Alarm 2 is Input Range

Alarm 2 value a Process High Max. to Input

Alarm, the Range Min.
value of Default =
process Input Range
variable at or Max.
above which
Alarm 2 will
be active

MIC 1460 Manual Edition 142

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
25 Process Low LoAlarm2 If Alarm 2 is Input Range

Alarm 2 value Process Low Max. to Input

Alarm, the Range Min.
value of Default =
process Input Range
variable at or Min.
below which
Alarm 2 will
be active

26 Band Alarm 2 BaAlarm2 If Alarm 2 is ± (input span)

value a Band Alarm, from setpoint.

the band of Default =
process five input
variable units.
values
(centered on
the setpoint)
outside which
the process
variable will
cause this
alarm to be
active.

MIC 1460 ManualEdition 1 43

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
27 Deviation DeAlarm2 If Alarm 2 is a ± (input

(High/Low) Deviation range)
Alarm 2 value High/Low from setpoint.

Alarm, gives Default =
a value above five input
(positive value) range units
or below
(negative value)
the setpoint.
If the process
variable deviates
from the setpoint
by a margin
greater than this
value, the alarm
becomes active.

28 Alarm 2 Al2 Hyst A non-zero 1 LSD to 10%

Hysteresis value value defines of input span

a hysteresis
band on the
"safe" side of
the Alarm 2
value

29 Loop Alarm Loop Alm Enables/ 0 (disabled)/

Enable disables Loop 1 (enabled)

Alarm Default =

0 (disabled)

MIC 1460 Manual Edition 144

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
30 Loop AlarmTime LpAtime If ON/OFF 1 second to

control is 99 minutes
selected 59 seconds.
(i.e. PB1=0) Default =
and Loop 99 minutes
Alarm is 59 seconds
enabled, this
defines the
duration of the
saturation
condition
after which the
Loop Alarm
is activated

31 Scale Range Range Pt For linear 0 XXXX

Decimal Point

9

inputs, defines 1 XXX.X
the decimal (default)
point position 2 XX.XX

3 X.XXX

32 Scale Range Range Hi For linear -1999 to 9999

Maximum

9

inputs, defines (decimal point
the scaled as defined
input value by Scale
when the Range
process Decimal
variable input Point
is at its parameter).
maximum Default =
value. 100.0

MIC 1460 ManualEdition 1 45

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
33 Scale Range Range Lo For linear -1999 to 9999

Minimum

9

inputs, defines (decimal point
the scaled as defined
input value by Scale
when the Range
process Decimal
variable input Point
is at its parameter).
minimum Default = 0.0
value.

34 Auto Pre-Tune Auto PT Determines OFF =

Enable/Disable whether the Disabled

Pre-Tune ON = Enabled
facility is Default = OFF
automatically
activated on
power-up

35 Manual Control A/M Enab Enables/ OFF =

Enable/Disable disables Disabled

operator ON = Enabled
selection of Default = Off
manual control

36 Communications ComWrite Enables/ OFF =

Write Enable/ disables Disabled
Disable

10

changing of ON = Enabled
parameter Default = Off
values or
settings via the
RSs485
communications
link.

MIC 1460 Manual Edition 146

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
37 Lock value Lock Defines the 0 to 9999

four-digit code Default = 10
required to
enter Program
define Mode or
Controller
Define Mode

Notes on Configuration Define Mode Parameters

1. The Process Variable Offset value should be chosen with care. Any
adjustment to this parameter is, in effect, a calibration adjustment.
Injudicious application of values to this parameter could lead to the dis
played process variable value bearing no meaningful relationship to the
actual process variable value. There is no front panel indication when
this parameter is in effect (i.e. has been set to a non-zero value).

2. These parameters are applicable only if the secondary control (COOL)
output is fitted.

3. These parameters are not applicable if Proportional band 1 is set to 0
(i.e. ON/OFF control).

4. This parameter is not applicable if Proportional band 1 is set to 0 or if
Output 2 (COOL) is not fitted.

5. The message Display will show Diff1 for ON/OFF control on Output 1
only, Diff 2 for ON/OFF control on Output 2 only or Diff for ON/OFF
control on both Output 1 and Output 2.

6. Internal software prevents (a) the Setpoint High Limit being given a
value less than any setpoint value contained in currently-resident
programs, and (b) the Setpoint Low Limit being given a value greater
than any setpoint value contained in currently-resident programs.

7. These parameters are not applicable if the Recorder Output option is not
fitted.

8. Output 1 cycle Time is not applicable if Proportional Band 1 is set to 0 or
if Output 1 is a DC linear output. Output 2 cycle Time is not applicable if
Proportional Band 1 is set to 0, if Output 2 is not fitted or if Output 2 is a
DC linear output.

MIC 1460 ManualEdition 1 47

9. These parameters are applicable only if a linear input is fitted.

10. Applicable only if the RS485 Communications option is fitted.

FIGURE 5-1

Proportional Band 1

Pb1

Output 1

Output 2

Setpoint

Output Power (%)

Proportional

Band 1

Pb1

Output 1

Output 2

Output Power (%)

Setpoint

Proportional Band 2

Pb2

Overlap

(Positive value)

SPrd

Deadband

(negative value)

SPrd

Output 2

Output 1

Process Variable

Proportional

Band 2

Pb2

Output 2

Output 1

Process Variable

Proportional

Band 1

Output 1

Output 2

Output Power (%)

Pb1

Output 2 OFF

Setpoint

Positive values Negative values

Overlap/Deadband

Sprd

MIC 1460 Manual Edition 148

Proportional Band 2

Pb2 = 0

Output 2 ON

Process Variable

ON/OFF

Differential

HyS2

Output 2

Output 1

FIGURE 5-2

Process High Alarm

direct-acting

Process High Alarm

reverse-acting

Process Low Alarm

direct-acting

Process Low Alarm

reverse-acting

"ALM" Off
Relay Off

"ALM" Off
Relay On

"ALM" flashes

Relay On

"ALM" flashes

Relay Off

"ALM" flashes

Relay On

PV

ALARM POINT

"ALM" flashes

Relay Off

PV

ALARM POINT

"ALM" Off
Relay Off

PV

ALARM POINT

"ALM" Off
Relay On

PV

ALARM POINT

Band Alarm

direct-acting

open within band

Band Alarm

reverse-acting

closed within band

"ALM" flashes

"ALM" flashes

(Continued on next page)

Relay On

Relay Off

ALARM VALUE

"ALM" Off
Relay Off

SP

ALARM VALUE

"ALM" Off
Relay On

SP

"ALM" flashes

Relay On

PV

"ALM" flashes

Relay Off

PV

MIC 1460 ManualEdition 1 49

Deviation High Alarm

direct-acting

(positive value)

Deviation Low Alarm

direct-acting

(negative value)

"ALM" Off

Relay Off

"ALM" flashes

Relay On

SP

"ALM" flashes

Relay On

PV

ALARM
POINT

"ALM" Off

Relay Off

PV

Deviation High Alarm

reverse-acting

(positive value)

Deviation Low Alarm

reverse-acting

(negative value)

"ALM" Off

Relay Off

"ALM" flashes

Relay On

ALARM
POINT

ALARM
POINT

SP

SP

"ALM" flashes

Relay Off

PV

ALARM
POINT

"ALM" Off

Relay Off

PV

SP

MIC 1460 Manual Edition 150

FIGURE 5-3

PROCESS
HIGH
ALARM

PROCESS
LOW
ALARM

DEVIATION
HIGH
ALARM

DEVIATION
LOW
ALARM

Alarm Hysteresis

Alarm Inactive

Process Variab le

Alarm Hysteresis

Alarm Inactive

Alarm Hysteresis

Alarm Inactive

Alarm Hysteresis

Process
Variable

Alarm Active

Alarm Active

Alarm Value

Alarm Active

Setpoint

Setpoint

Alarm Value

Process Variab le

Alarm Inactive

Alarm Inactive

Alarm
Value

Alarm Inactive

Process Variab le

BAND
ALARM

Alarm Inactive

Alarm
Inactive

Setpoint

Alarm Value

Alarm Hysteresis

Alarm Active

Alarm Active

Alarm Hysteresis

Alarm
Inactive

Alarm Inactive

Alarm Value

Alarm
Active

Alarm
Inactive

Process
Variab le

MIC 1460 ManualEdition 1 51

5.2 BASE MODE DISPLAYS

Once the complete cycle of Controller Define Mode parameters has been
displayed, the user may then step through the Base Mode displays (control­ler setpoint - alarm status - Self Tune - Pre-Tune), making adjustments
where required, before re-starting the Controller Define Mode parameter
cycle.

5.3 LOOP ALARM AND LOOP ALARM TIME

The Loop Alarm is a special alarm which detects faults in the control feed­back loop by continuously monitoring process variable response to the
control output(s).

The Loop Alarm facility, when enabled, repeatedly checks the control
output(s) for saturation i.e. either or both outputs being at the maximum or
minimum limit. If an output is found to be in saturation, the Loop Alarm
facility starts a timer; thereafter, if the saturated output has not caused the
process variable to be corrected by a pre-determined amount V after a time
T has elapsed, the Loop Alarm goes active. Subsequently, the Loop Alarm
facility repeatedly checks the process variable and the control output(s).
When the process variable starts to change value in the correct sense or
when the saturated output comes out of saturation, the Loop Alarm is de­activated.

For PID control, the Loop Alarm Time T is always set to twice the value of
the Reset (Integral Time Constant) parameter. For On/Off control, the user
defined value of the Loop Alarm Time parameter is used.

The value of V is dependent upon the input type:

°C ranges: 2°C or 2.0°C
°F ranges: 3°F or 3.0°F

Linear ranges: 10 least significant display units

For single output controllers, the saturation limits are 0% and Output Power
Limit. For dual output controllers, the saturation limits are -100% and Out­put Power Limit.

MIC 1460 Manual Edition 152

Notes:

1. Correct operation of the Loop Alarm depends upon reasonably accurate
PID tuning.

2. The Loop Alarm is automatically disabled during Manual Control Mode
and during execution of the Pre-T une facility. Upon exit from Manual
Control Mode or after completion of the Pre-Tune routine, the Loop
Alarm is automatically re-enabled.

When full ON/OFF control is selected (i.e. Proportional Band 1 is set to 0)
and Loop Alarm is enabled, the Loop Alarm Time parameter determines
the duration of the saturation condition after which the Loop alarm will be
activated. It may be adjusted within the range 1 second to 99 minutes 59
seconds. This parameter is omitted from the display sequence if ON/OFF
control is not selected or Loop Alarm is disabled. The default setting is
99:59.

5.4 EXITING CONTROLLER DEFINE MODE

The operator may exit from Controller Define Mode by pressing the MODE
key until the Exit ? prompt appears in the Message Display, then pressing
the SCROLL key, which will cause a return to the mode from which entry
was made.

Note: An automatic return is made if there is no key activity in Con­troller Define Mode for five minutes.

MIC 1460 ManualEdition 1 53

Section 6 - Defining and Viewing a Program

(Program Define Mode)

The instrument may be put into Program Define Mode from either Base
Mode or Program Run Mode (i.e. with a program currently running).

6.1 ENTRY INTO PROGRAM DEFINE MODE

1. Press the SCROLL and UP keys simultaneously. The lower Main Dis­play will show 0 and the Message Display will show:

2. Use the UP and DOWN keys to set the value in the lower Main Display
to the correct Lock Value (defined by the user in Controller Define Mode)
and press the SCROLL key.

The instrument will enter Program Define Mode, the SET and PRG indica­tors will go ON and the operator will be able to edit programs and seg­ments. The MODE key can then be used (a) to switch to Controller Define
Mode , and then (b) to show a Message display:

To return to Program Define Mode (and re-start the Program Define/Con­troller Define/Exit? display cycle), press the MODE key; to return to Base
Mode, press the SCROLL key.

If an incorrect Lock Value is entered, the instrument will return to Base
Mode.

Program parameters are divided into three categories:
(a) Those common to all programs - global parameters

(b) Those which apply to a specific program as a whole
(c) Those relevant to a specific segment in a specific program

MIC 1460 Manual Edition 154

In Program Define mode, the operator will be presented with the first of a
sequence of parameter displays. The operator may then step through the
sequence, using the SCROLL key. The parameter setting (in the lower
Main Display) may be changed using the UP/DOWN keys. The displayed
Program Number may be changed using the PROF key and the displayed
Segment Number may be changed using the RUN/HOLD key.

Note: If entry is made from Program Run Mode and the Program Lock
is ON, only Controller Define Mode will be accessible.

6.2 PARAMETERS COMMON TO ALL PROGRAMS

(Program Number = A, Segment Number = Blank)
The parameters common to all programs (global parameters) are presented

for edit/viewing in the following sequence:

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
1 Start On Start on Defines SEtP-Current

setpoint value Controller
at start of setpoint value
each program

Proc-Current
Process
variable value

2 End On End on Defines F_SP-End on

setpoint value Final SP value
at end of value*
each program

SEtP-End on
Controller SP
value

MIC 1460 ManualEdition 1 55

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
3 Delay Time Delay Defines delay Numerical

(in hours/min) value, with the
between decimal point
initiating the acting as the
program and delimiter
actually starting between the

two units
(hours/min)

4 Program Lock LockProg Defines On - No

whether the changes
operator is permitted
permitted to
change program OFF- changes
definitions while permitted
a program is
running/held

5 Power Fail Recovery Defines 0 or 1

Recovery response to 0=Cold Start

restoration of (entry into
power after Base

Mode with
Program
No. set as
when
power
failed and
Segment
Number
blank.

1 = W arm

Start (pro­ gram re­ sumed
from point
when
power
failed

MIC 1460 Manual Edition 156

6 External Selection Ext. Sel Defines nonE = No

functions external
which may be selection
controlled
externally SEL=Program

selection only
run = Only

Run, Hold,
Abort, and
x60 functions

both = All
program
selection and
run control
functions

* The Final Setpoint value for the End Segment of each program.

6.3 PARAMETERS WHICH APPLY TO A SPECIFIC PROGRAM
AS A WHOLE

(Program Number = 1 to 9, Segment = Blank)
Only the parameters relevant to the displayed program number (which can

be changed using the PROG key) are presented. The parameter sequence
is as follows:

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
1 Cycle Count Cycles Defines the 1 - 9999

number of Program will
times the repeat the set
program will number of
be repeated of times

inF = Program
will repeat
indefinitely

MIC 1460 ManualEdition 1 57

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
2 Auto Hold AutoHold Selects OFF = No

operation of Auto Hold
Auto Hold
facility H_SP = Auto
(relative to Hold above
setpoint) setpoint only

L_SP = Auto
Hold below
setpoint only

both = Auto
Hold above
and below
setpoint

3 Hold Band HoldBand Defines the Numerical

width of the value
Hold Band (0.0 to span)

4 Hold On Hold on Defines d_r = Auto

whether the Hold on
Auto Hold ramps and
facility is dwells
used on
ramps only , ___d = Auto
dwells only Hold on
or both dwells only

___r = Auto
Hold on
ramps only

MIC 1460 Manual Edition 158

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
5 Pre-x60 Pre-x60 Determines nonE = No

whether the pre-selection
timebase for
the program ON
is pre-selected
to be hours/ OFF
minutes or
minutes/
seconds

This parameter sequence may be viewed/edited for any program by simply
changing the Program Number as required, using the PROF key, then step­ping through the parameters with the SCROLL key.

MIC 1460 ManualEdition 1 59

FIGURE 6-1

HOLD on DWELL

Setpoint

HOLD on RAMP
(Positive Ramp)

Hold Band

Hold Band

Program held
if Auto Hold is
set to L_SP or
both

Process V ariable

Program held
if Auto Hold is
set to H_SP or
both

Setpoint

HOLD on RAMP
(Negative Ramp)

Hold Band

Program held
if Auto Hold is
set to L_SP or
both

Setpoint

Program held
if Auto Hold is
set to H_SP or
both

Process
Variable

Program held
if Auto Hold is
set to H_SP or
both

Program held
if Auto Hold is
set to L_SP or
both

MIC 1460 Manual Edition 160

6.4 EDITING/VIEWING PARAMETERS IN ANY/EACH
SEGMENT IN A SPECIFIC PROGRAM

(Program Number = 1 to 9, Segment Number = 1-16)
Adjust the Program Number (using the PROF key) and the Segment Num­ber (using the RUN/HOLD key) as required. The parameters presented will
be these relevant to the program and segment whose numbers are dis­played. The parameters sequence for each segment is as follows:

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
1 Final Setpoint V alue Final SP Defines the Numeric value

final value of (limited by
the setpoint SPHi and
for this SPLo) or
segment, (by pressing
selects a the UP/
dwell segment DOWN keys
or indicates simultane­a Join, Repeat, ously)
or End Program indicates a
segment dwell with:

_ _ _ _
or, if the

segment is
already a
Join, Repeat,
or End
Program
segment,
as shown
below

MIC 1460 ManualEdition 1 61

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
2 Segment Time Time Defines the Four-digit

or or duration/ramp number in the
Ramp Rate RampRate rate of the form nn.nn
as selected of the segment (hours.
in Configuration or whether minutes or
Mode this is a Join, seconds) or

Repeat or negative
End Program values as
segment* follows:

J01 - Join to
Program 1
J02 - Join to
Program 2
J03 - Join to
Program 3
J04 - Join to
Program 4
J05 - Join to
Program 5
J06 - Join to
Program 6
J07 - Join to
Program 7
J08 - Join to
Program 8
rEP - Repeat
Segment
End - End
Program

MIC 1460 Manual Edition 162

MESSAGE AVAILABLE

STEP DESCRIPTION DISPLAY FUNCTION SETTING
3 Event † Event Defines the Four-bit

states of binary
the four number
event outputs (0=inactive,
for this segment 1=active)

* If a segment is set to be a Join segment, a repeat segment or an End
Program segment, the next depression of the SCROLL key will set the
Segment Number to A and the parameter displayed will be the first in the
sequence of parameters common to the whole program - Cycle Count.
Otherwise, the next depression of the SCROLL key will display the next
segment parameter - Event (for the current segment) if the Event Output
hardware is fitted.

† This parameter appears in the sequence only if the Event Output hard­ware is fitted, in which case this parameter will be followed by the Final
Setpoint Value parameter for the next segment. If this hardware is not
fitted, this parameter will be omitted from the sequence and the segment
number will be advanced, causing the Final Setpoint Value parameter for
the next segment to appear immediately.

CANCELLING JOIN, REPEAT OR END PROGRAM SEGMENTS
This can be achieved:
(a) at the Final Setpoint Value parameter, by simultaneously pressing the
UP/DOWN keys to produce a Dwell segment, or
(b) at the Segment Time/Ramp Rate parameter, by incrementing the value
to 0 or a positive value.

MIC 1460 ManualEdition 1 63

6.5 USING JOIN, REPEAT AND END SEGMENTS AND
CYCLING PROGRAMS

By default, the instrument has eight programs, each 16 segments long (all
16 segments are active and, at the end of Segment 16 is an implicit End
Segment). These programs can be made shorter (using End segments) or
longer (by creating program sequences with Join, Repeat and End seg­ments). The only limit to the size of a program sequence is a maximum
length of 121 active segments plus seven Join segments plus one End
segment (i.e. all eight programs joined to make one program sequence).

Segments follow a free format in that ramp or dwell can be followed by
dwell or ramp, completely as desired.

Consider two example programs:

PROGRAM 1

(5 active segments, 1 End segment)

2

1

3

4

End
Segment

(3 active segments, 1 End segment)

5

PROGRAM 2

2

1

3

End
Segment

To join the two programs to form a program sequence, change the End
segment of Program 1 to a Join segment (Segment Time or Ramp Rate set
to J02 - Join Program 2):

PROGRAM 1

(5 active segments, 1 Join segment)

2

1

3

4

Join
Segment

(3 active segments, 1 End segment)

1

5

PROGRAM 2

2

3

End
Segment

There are no restrictions on joining programs; several programs can be
joined to one program (i.e.to prove user-selectable warm-up programs,
depending upon which program is run first).

MIC 1460 Manual Edition 164

The Cycle feature can be used to make more complex program sequences.

n

Consider the two simple example programs previously described:

PROGRAM 1

(5 active segments, 1 End segment)

2

1

3

4

End
Segment

(3 active segments, 1 End segment)

5

PROGRAM 2

2

1

3

End
Segment

and consider the case where Program 1 is set to perform two cycles and
Program 1 is joined to Program 2. When Program 1 is run, the result would
be:

PROGRAM 1

2

1

PROGRAM 1

2

3

4

5

1

3

4

5

Join
Segment

PROGRAM 2

1

2

3

End
Segme

If Program 2 were now set to perform ten cycles, the result would be:

PROGRAM 1

2

1

PROGRAM 1

2

3

4

5

1

3

10 Cycles

4

5

Join
Segment

PROGRAM 2

2

1

End
Segment

3

MIC 1460 ManualEdition 1 65

Now, with Program 2 set to perform 10 cycles, change its last segment to a
Repeat segment (Segment Time or Ramp Rate set to REP); the result
would be:

PROGRAM 1

2

1

PROGRAM 1

2

3

4

1

5

3

4

5

Join
Segment

PROGRAM 2

1

10 Cycles

2

3

Repeat
Segment

At the end of the tenth cycle of Program 2, the program sequence would
end.

6.6 BASIC RULES TO REMEMBER

In any program sequence:

• A program ending in a Join segment will perform the required number

of cycles of

itself

before joining the new program.

• A program ending in a Repeat segment (hence, by definition, the last

program in the sequence) will perform the required number of cycles of

itself

before ending the sequence.

• A program ending in an End segment (hence, by definition, the last

program in the sequence) will perform its cycle on the

sequence

before ending that sequence.

entire program

6.7 EXITING PROGRAM DEFINE MODE

The operator may exit from Program Define Mode by pressing the MODE
key until the Exit ? prompt appears in the Message Display, then pressing
the SCROLL key, which will cause a return to the mode from which entry
was made.

Note: An automatic return is made if there is no key activity in Pro­gram Define Mode for five minutes.

MIC 1460 Manual Edition 166

Section 7 - Programs

7.1 SELECTING AND RUNNING A PROGRAM

When no program is running, the instrument is in Base Mode and the RUN
and HLD indicators are OFF. In this mode, select a program as follows:

1. Hold down the PROF key until the required program number is dis-

played.

2. Press the RUN/HOLD key once to start the program. The RUN indi-

cator will then go ON; the instrument is now in Program Run Mode.

7.2 CHANGING THE PROGRAM TIMEBASE

While a program is running, the normal timebase is hours/minutes. To
change to a timebase of minutes/seconds (i.e. select the x60 facility) press
the UP key for more than five seconds, whereupon the x60 indicator will go
ON. To cancel operation on the x60 timebase, press the DOWN key for
more than five seconds, whereupon the x60 indicator will go OFF.

7.3 HOLDING A PROGRAM MANUALLY

The operator may hold or freeze a program by momentarily pressing the
RUN/HOLD key. The HLD indicator will then go ON (the RUN indicator
staying ON) and the program will stop execution. The program may subse­quently be restarted by momentarily pressing the RUN/HOLD key again.

HLD INDICATOR FLASHING: If before the operator holds the program
manually, the HLD indicator start flashing, this indicates that the program
is currently subject to an Auto-Hold. If the RUN/HOLD key is pressed
(for a manual Hold), the HLD indicator will go ON continuously. When
the operator removes the manual Hold (by pressing the RUN/HOLD key
again), the HLD indicator will either flash (indicating that the Auto-Hold
conditions still prevail) or go OFF (indicating that the Auto-Hold condi­tions no longer prevail).

RUN INDICATOR FLASHING: This indicates that the program is in a
Delay state i.e. is timed to start after a user-defined delay has elapsed.
When the delay period has elapsed, the program will run and the RUN
indicator will come on continuously.

MIC 1460 ManualEdition 1 67

7.4 JUMPING TO THE NEXT SEGMENT

At any time during a program's execution, the operator may jump forward to
the next segment by simultaneously pressing the PROF and UP keys.

Note that, since programs may be joined or set to cycle, jumping past the
last segment in a program may result in changes in the Program Number
and Cycle Count.

7.5 VIEWING PROGRAM PROGRESS/STATUS

In Program Run Mode, a number of displays are made available to the
operator (in the Message Display area) which indicate program progress/
status. While the current program is running, held or delayed, press the
SCROLL key to cycle through a sequence of program status displays with
the following legends in the Message Display:

Appropriate one of:

Status of Pre-Tune
facility - OFF or On

Status of Self-Tune
facility - OFF or On

Blank

Program Tag

Manual Control

Appropriate one of:

Delay Time
Remaining

Segment Time
Remaining

Auto-Hold
Time

Alarm Status

MIC 1460 Manual Edition 168

Number of cycles

completed

In the case of Segment Time Remaining or Auto-Hold Time display, the
time is in hours/minutes (if the x60 indicator is OFF) or minutes/seconds (if
the x60 indicator is ON). The Delay Time display is always in hours/min­utes.

Note: If the SCROLL key is held for two seconds or longer, the instru­ment will auto-scroll through the above display cycle (with the excep­tion of the Self-Tune and Pre-Tune displays). The auto-scroll can be
stopped by pressing any key other than the SCROLL key.

After all applicable program status/progress displays have been shown,
press the SCROLL key to return to the Base Mode displays.

7.6 ABORTING A PROGRAM

The operator may abort (i.e. terminate) the current program by holding
down the RUN/HOLD key for more than five seconds. When the program is
aborted, a return is made to the Base Mode and the Message area will
show:

This message will be removed by the next key press.

7.7 "END OF PROGRAM" INDICATION

When the program has completed its End Segment (i.e. the last segment to
be performed), the message display shows:

and a return is made to the Base Mode.

MIC 1460 ManualEdition 1 69

7.8 VIEWING PROGRAM AND CONTROLLER PARAMETERS

In Program Run Mode (i.e. with a program currently running or held), the
MODE key gives "view only" access to Program Define Mode and Control­ler Define Mode:

BASE

MODE

MODE

VIEW ONLY

PROGRAM

DEFINE

MODE

MODE

MODE

VIEW ONLY

CONTROLLER

DEFINE

MODE

MIC 1460 Manual Edition 170

Appendix A - Range Codes

The input ranges available (selectable via the front panel) are:
For Thermocouple Inputs

INPUT DISPLAYED INPUT DISPLAYED

TYPE RANGE CODE TYPE RANGE CODE

R 0 - 1650°C 1127 K -200 - 760°C 6726
R 32 - 3002°F 1128 K -328 -1399°F 6727
S 0 - 1649°C 1227 K -200 - 1373°C 6709
S 32 - 3000°F 1228 K -328 - 2503°F 6710
J 0.0 - 205.4°C 1415 L 0.0 - 205.7°C 1815
J 32.0 - 401.7°F 1416 L 32.0 - 402.2°F 1816
J 0 - 450°C 1417 L 0 - 450°C 1817
J 32 -842°F 1418 L 32 - 841°F 1818
J 0 - 761°C 1419 L 0 - 762°C 1819
J 32 - 1401°F 1420 L 32 - 1403°F 1820
T -200 - 262°C 1525 B 211 - 3315°F 1934
T -328 - 503°F 1526 B 100 - 1824°C 1938
T 0.0 - 260.0°C 1541 N 0 - 1399°C 5371
T 32.0 - 501.0°F 1542 N 32 - 2550°F 5324

For RTD Inputs

Note: Input conditioning jumper LJ1, LJ2, or LJ3 needs to be
changed, see Appendix B.

INPUT DISPLAYED INPUT DISPLAYED
RANGE CODE RANGE CODE
0 - 800°C 7220 0.0 - 100.9°C 2295
32 - 1471°F 7221 32.0 - 213.6°F 2296
32 - 571°F 2229 -200 - 206°C 2297

-100.9 - 100.0°C 2230 -328 - 402°F 2298

-149.7 - 211.9°F 2231 -100.9 - 537.3°C 7222
0 - 300°C 2251 -149.7 - 999.1°F 7223

MIC 1460 ManualEdition 1 71

For DC Inputs

Note: Input conditioning jumper LJ1, LJ2, or LJ3 needs to be
changed, see Appendix B.

INPUT DISPLAYED INPUT DISPLAYED
RANGE CODE RANGE CODE
0-20mA 3413 0-5V 4445
4-20mA 3414 1-5V 4434
0-50mV 4443 0-10V 4446
10-50mV 4499 2-10V 4450

MIC 1460 Manual Edition 172

Appendix B - Board Layout, Jumper Positioning

Front Panel (top edge)

Power Supply PCB

Output 3 Option PCB

(Relay, SSR or DC Output)

Event Output Option PCB

Output 2 Option PCB

(Relay, SSR or DC Output)

RS485 Serial Communications
Option PCB

CPU PCB

Digital Input
Option PCB

FIGURE B-1 PCB POSITIIONS

MIC 1460 ManualEdition 1 73

FIGURE B-2 OUTPUT 2, OUTPUT 3 REMOVAL

Top of
Front Panel

CPU PCB

REAR VIEW OF

UNHOUSED

CONTROLLER

Output 3 Option PCB

Power Supply PCB

Output 2 Option PCB

Tongues
become
dis-engaged

MIC 1460 Manual Edition 174

FIGURE B-3 CPU PWA

LJ3
LJ2

LJ1

IC6

Input Type

RTD, DC (mV)

T/C

DC (mA)

DC (V)

LJ1, LJ2, LJ3

Jumper Position

None (parked)

LJ3

LJ2

LJ1

MIC 1460 ManualEdition 1 75

FIGURE B-4 PS PWA WITH RELAY OR SSR OUTPUT 1

TX1

Output Type

Relay

SSR

SK3

LJ4, LJ5

Jumper Position

LJ5

LJ4

LJ6

LJ7

LJ5
LJ4

LJ6, LJ7

Jumper Position

LJ6

LJ7

MIC 1460 Manual Edition 176

FIGURE B-5 PWA WITH DC OUTPUT 1

TX1

LJ8
LJ9

SK3

Output Type

DC (0-10V)

DC (0-20mA)

DC (0-5V)

DC (4-20mA)

LJ8, LJ9

Jumper Position

LJ8

LJ9

LJ8

LJ9

MIC 1460 ManualEdition 1 77

FIGURE B-6 OPTION PWA DC OUTPUT 2/OUTPUT 3

LJ9

LJ8

Output Type

DC (0-10V)

DC (0-20mA)

LJ8, LJ9

Jumper Position

LJ8

LJ9

DC (0-5V)

DC (4-20mA)

MIC 1460 Manual Edition 178

LJ8

LJ9

Appendix C - Specifications

INPUT SPECIFICATIONS

General
Input Sample Rate: Four per second
Input Resolution: 14 bits approximately
Input Impedance: Greater than 100M ohm resistive

(except for DC mA and V inputs)

Isolation: Universal input isolated from all outputs

except SSR at 240 V AC.

Thermocouple
Types: R, S, J, T, K, L, B, and N
Calibration: Complies with BS4937, NBS125 and IEC584.
Sensor Break Protection: Break detected within 2 seconds. Control

outputs set to OFF (0% power); alarms
operate as if the process variable has gone
over-range.

RTD and DC mV
Type and Connection: Three-wire Pt100
Calibration: Complies with BS1904 and DIN43760.
Lead Compensation: Automatic
RTD Current: 150uA (approximately)
Sensor Break Protection: Break detected within 2 seconds. Control

outputs set to OFF (0% power); alarms
operate as if the process variable has gone
under-range.

DC mA and DC V
Scale Range Maximum: -1999 to 9999
Scale Range Minimum: -1999 to 9999
Minimum Span: 1 display LSD
Sensor Break Protection: Applicable to 4-20mA, 1-5V, and 2-10V

ranges only. Break detected within 2
seconds. Control outputs set to OFF
(0% power); alarms operate as if the process
variable has gone under-range.

MIC 1460 ManualEdition 1 79

OUTPUT SPECIFICATIONS

Output 1

General
Types A vailable: Relay (standard), SSR Driver and DC as options.

Relay
Contact Type: SPDT
Rating: 2A resistive at 120/240V AC
Lifetime: > 500,000 operations at rated voltage/current
Isolation: Inherent

SSR Driver/TTL
Drive Capability: SSRD>4.2V DC into 1K ohm minimum
Isolation: Not isolated from input or other SSR outputs.

DC
Resolution: Eight bits in 250mS (10 bits in 1 second typical,

>10 bits in >1 second typical).
Update Rate: Four times per second
Ranges: * 0-20mA, 4-20mA, 0-10V, and 0-5V

Load Impedance: 0-20mA: 500 ohm maximum

4-20mA: 500 ohm maximum

0-10V: 500 ohm minimum

0-5V: 500 ohm minimum
Isolation: Isolated from all other inputs and outputs.

*Changes between V and mA ranges also require jumper movement.

OUTPUT 2

General
Types Available: Relay, SSR Driver and DC

Relay
Contact Type: SPDT
Rating: 2A resistive at 120/240V AC
Lifetime: > 500,000 operations at rated voltage/current
Isolation: Inherent

MIC 1460 Manual Edition 180

SSR Driver/TTL
Drive Capability: SSRD>4.2V DC into 1K ohm minimum
Isolation: Not isolated from input or other SSR outputs

DC
Resolution: Eight bits in 250mS (10 bits in 1 second typical,

>10 bits in >1 second typical)
Update Rate: Four times per second
Ranges: * 0-20mA, 4-20mA, 0-10V, and 0-5V
Load Impedance: 0-20mA: 500 ohm maximum

4-20mA: 500 ohm maximum

0-10V: 500 ohm minimum

0-5V: 500 ohm minimum
Isolation: Isolated from all other inputs and outputs

*Changes between V and mA ranges also require jumper movement.

OUTPUT 3

General
Types Available: Relay, SSR Driver and DC linear (retransmit only)

Relay
Contact T ype: SPDT
Rating: 2A resistive at 120/240V AC
Lifetime: > 500,000 operations at rated voltage/current
Isolation: Inherent

SSR Driver/TTL
Drive Capability: SSRD>4.2V DC into 1K ohm minimum
Isolation: Not isolated from input or other SSR outputs

DC
Resolution: Eight bits in 250mS (10 bits in 1 second typical,

>10 bits in >1 second typical).
Update Rate: Four times per second
Ranges: * 0-20mA, 4-20mA, 0-10V, and 0-5V
Load Impedance: 0-20mA: 500 ohm maximum

4-20mA: 500 ohm maximum

0-10V: 500 ohm minimum

0-5V: 500 ohm minimum
Isolation: Isolated from all other inputs and outputs.

MIC 1460 ManualEdition 1 81

* Changes between V and mA ranges also require jumper movement.

CONTROL SPECIFICATIONS

Control T ypes: PID, PID/ON-OFF2, ON-OFF
Automatic Tuning Types: Pre-Tune and Auto-Tune
Proportional Bands: 0 (OFF), 0.5% - 999.9% of input span @ 0.1%

increments
Auto Reset: 1s-99min 59sec/repeat and OFF
Rate: 0 (OFF) - 99min 59sec
Manual Reset (Bias): Adjustable in the range 0-100% of output

power (single output) or -100% to +100% of

output power (dual output)
Deadband/Overlap: -20% to +20% of proportional band 1 +

proportional band 2
ON/OFF Hysteresis: 0.1% to 10.0% of input span
Auto/Manual Control: User-selectable with "bumpless" transfer into

and out of Manual control.
Cycle Times: Selectable from 0.5sec to 512sec in binary

steps
Setpoint Range: Limited by Setpoint Maximum and Setpoint

Minimum.
Setpoint Maximum: Limited by Setpoint and Range Maximum.
Setpoint Minimum: Limited by Range Minimum and Setpoint.

Alarms
Maximum Number: Two "soft" alarms plus Loop Alarm
Maximum # Outputs: Up to 2 outputs can be used for alarm

purposes
Combination Alarms: Logical OR or AND of alarms to an individual

hardware output is available.
Hysteresis: 1 LSD to 10% of span.
Loop Alarm: Detects faults in the control feedback loop by

continuously monitoring process variable

response to the control output(s).

MIC 1460 Manual Edition 182

PROGRAM SPECIFICATIONS

Programs: Eight, each with free-form segments
Length of Programs: Adjustable in the range 1 to 16 segments;

programs cascadable - maximum length 121

segments.
Segment T ypes: Ramp, Dwell, Join, Repeat, or End.
Program Cycling: Range 1 to 9999, infinite.
Delayed Start: May be set in the range 0 to 99:59 (hours:minutes).

One setting applies to all programs.
Control: Run, Hold, Abort, Time Base x60 (local or remote);

Select Program (local or remote); Jump to next

Segment.
Start From: Either current process variable value or controller

setpoint value.
End On: Final Value or controller setpoint.
Auto/Hold: Off, below setpoint only, above setpoint only or

above and below setpoint. On ramps only, on

dwells only, or on both ramps and dwells. Auto/

Hold band may be set from 0 to input span.
Time Base: Either hours:minutes or minutes:secs (x60) pre-

programmable or may be set during Program Run.
Segment Time: May be set in the range 0 to 99:59 (hours:minutes

or minutes:seconds).
Ramp Rate: 0 to 9999 least significant digits per hour or minute.

End of Program Output
T ype: Relay
Contact Type: SPDT
Rating: 5A resistive @ 120/240V AC
Lifetime: >100,000 operations @ rated voltage/current
Isolation: Inherent

Event Outputs - Option
T ype: Relay (4)
Contact Type: SPST
Rating: 5A resistive @ 120/240V AC
Lifetime: >100,000 operations @ rated voltage/current.
Isolation: Inherent
Programmability: Each event is programmable to either OFF or ON

for each segment.

MIC 1460 ManualEdition 1 83

Digital (Remote Program Control) Inputs, Outputs
T ype: V oltage-free contact and TTL compatible
Number available: Six: Run/Hold, Time Base x60, Abort Three

(binary-coded) Program Select.

Active State: Max. Contact Resistance (closed) = 50 ohms

Max. V oltage (TTL) for "0" = 0.8V
Min. V oltage for "0" = -0.6V

Non-Active State: Min. Contact Resistance (open) = 5,000 ohms

Min. Voltage (TTL) for "1" = 2.0V

Max. V oltage for "1" = 24.0V
Max. Input Delay
(OFF-ON): 0.25 seconds
Min. Input Delay
(ON-OFF): 0.25 seconds

PERFORMANCE

Reference Conditions
Ambient T emperature: 20°C ± 2°C
Relative Humidity: 60-70%
Supply V oltage: 90-264V AC 50Hz ±1%
Source Resistance: <10 ohm for T/C input
Lead Resistance: <0.1 ohm/lead balanced (Pt100)

Performance Under Reference Conditions
Common Mode Rejection: >120dB at 50/60Hz giving negligible effect at

up to 264V 50/60Hz

Series Mode Rejection: >500% of span (at 50/60Hz) causes negligible

effect

DC Linear Inputs
Measurement Accuracy: ± 0.25% of span ± 1 LSD

Thermocouple Inputs
Measurement Accuracy: ± 0.25% of span ± 1LSD

(Note: Reduced performance with Type B T/C
between 100-600 °C (212 - 1112 °F))

Linearization Accuracy: Better than ± 0.2°C any point, any 0.1°C

range (± 0.05°C typical). Better than ± 0.5°C
any point, any 1°C range.

Cold Junction Comp: Better than ± 0.7°C

MIC 1460 Manual Edition 184

RTD Inputs
Measurement Accuracy: ± 0.25% of span ± 1 LSD
Linearization Accuracy: Better than ± 0.2°C any point, any 0.1°C

range (± 0.05°C typical). Better than ± 0.5°C
any point, any 1°C range.

DC Outputs
Output 1 Accuracy: mA: 0-20mA ± 0.5% of span (20mA) @ 250 ohm

4-20mA ± 0.5% of span (16mA) @ 250 ohm

V: 0-10 ± 0.5% of span (10V) @ 2K ohm

0-5V ± 0.5% of span (5V) @ 2K ohm

Output 2 Accuracy: mA: 0-20mA ± 0.5% of span (20mA) @ 250 ohm

4-20mA ± 0.5% of span (16mA) @ 250 ohm

V: 0-10V ± 0.5% of span (10V) @ 2K ohm

0-5V ± 0.5% of span (5V) @ 2K ohm
Output 3 Accuracy: mA: 0-20mA ± 0.25% of span (20mA) @ 250 ohm
(Recorder Accuracy) 4-20mA ± 0.25% of span (16mA) @ 250 ohm

V: 0-10V ± 0.25% of span (10V) @ 2K ohm

0-5V ± 0.25% of span (5V) @ 2K ohm

OPERATING CONDITIONS

Ambient Operating Temperature: 0° C to 55°C
Ambient Storage Temperature: -20°C to 80°C
Relative Humidity: 20% - 95% non condensing
Supply Voltage: 90 - 264VAC 50/60 Hz (standard)

20 - 50V AC 50/60Hz or 22-65V DC

(optional)
Source Resistance: 1000 ohm maximum (thermocouple)
Lead Resistance: 50 ohm per lead maximum balanced

(Pt100)
Performance Under Operating Conditions

Temperature Stability: 0.01% of span/°C change in ambient

temperature
Cold Junction Compensation: Better than ±1°C (thermocouple only)
Supply Voltage Influence: Negligible
Relative Humidity Influence: Negligible

MIC 1460 ManualEdition 1 85

Sensor Resistance Influence: Thermocouple 100 ohm:< 0.1% of span

error

Thermocouple 1000 ohm:< 0.5% of

span error

RTD Pt100 50ohm/lead: < 0.5% of span

error

Radiated RF Field Influence: Degradation of Output 1 accuracy to 3%

at spot frequencies in the range 80 -

350MHz at field strength of 10V/m.

ENVIRONMENTAL

EMI Susceptibility: Designed to meet EN50082-1:1992 and

EN50082-2: 1995

EMI Emissions: Designed to meet EN50081-1:1992 and

EN50081-2:1994
Safety Considerations: Designed to comply with EN61010-1:1993
Supply Voltage: 90-264 AC 50/60Hz (standard)

20-50V AC 50/60Hz or 22-65V DC (optional)
Power Consumption: 4 watts approximately
Front Panel Sealing: NEMA4
Agency Approvals: UL pending

cUL certified for use in Canada pending

PHYSICAL

Dimensions: 1/4 DIN front panel 96mm x 96mm

(3.78" x 3.78")

100mm deep (3.94")
Mounting: Plug-in with panel mounting fixing strap.

Panel cutout 92mm x 92mm (3.62" x 3.62")
Terminals: Screw type (combination head)
Weight: 16 ounces maximum
Display Character Height: Top : .4"

Bottom: .36"

Message: .19"

Profile/Segment No.: .25"

MIC 1460 Manual Edition 186

Appendix D - Model Number Hardware Matrix

1 4 6 0

OUTPUT 1

1 Relay
2 SSR Driver
3 4-20mA*

OUTPUT 2

0 None
1 Relay
2 SSR Driver
3 4-20mA*

OUTPUT 3

0 None
1 Relay
2 SSR Driver
3 4-20mA**

OPTION 1

00 None
01 RS-485 Communications

OPTION 2

00 None
10 Event Outputs (4)
20 Remote Profile Control Inputs (6) ***
30 Both Event Outputs & Remote
Profile Control Inputs

SUFFIX

BlankNone
02 Line Voltage

* For control output only
** For retransmission only
*** Remote Control available - Run/Hold, Abort, Time Base
Change (x60), and three (binary coded) Program Select.

MIC 1460 ManualEdition 1 87

Appendix E - Software Reference Sheet

HDW DEF
OPTION

Configuration Mode

Input
Control
Alarm 1
Alarm 2
Inhibit
Out2 Use
Out3 Use
Seg Mode
BaudRate
Address
CJC
LockCode

MIC 1460 Manual Edition 188

Controller Define Mode

Filter
Offset
Out1
Out2
P.Band 1
P.Band 2
Reset
Rate
Overlap
Bias
Diff 1
Diff 2
Diff
SP High
SP Low
Rec High
Rec Low
Out High
CycTime1
CycTime2
HiAlarm1
LoAlarm

MIC 1460 ManualEdition 1 89

Controller Define Mode (cont.)

BaAlarm1
DeAlarm1
Al1 Hyst
HiAlarm2
LoAlarm2
BaAlarm2
DeAlarm2
Al2 Hyst
Loop Alm
LpAtime
Range Pt
Range Hi
Range Lo
Auto PT
A/M Enab
ComWrite
Lock

MIC 1460 Manual Edition 190

Program Define Mode
(All Programs)

Start on
End on
Delay
ProgLock
Recovery
Ext. Sel

Specific Program as a Whole

Cycles
AutoHold
HoldBand
Hold on
Pre-x60

Each Segment in a Specific Program

Final SP
Time
RampRate
Event

MIC 1460 ManualEdition 1 91

Warranty and Return Statement

These products are sold by The Partlow Corporation (Partlow) under the warranties set forth in the following para­graphs. Such warranties are extended only with respect to a purchase of these products, as new merchandise,
directly from Partlow or from a Partlow distributor, representative or reseller, and are extended only to the first buyer
thereof who purchases them other than for the purpose of resale.

Warranty

These products are warranted to be free from functional defects in materials and workmanship at the time the
products leave the Partlow factory and to conform at that time to the specifications set forth in the relevant Partlow
instruction manual or manuals, sheet or sheets, for such products for a period of two years.

THERE ARE NO EXPRESSED OR IMPLIED WARRANTIES WHICH EXTEND BEYOND THE WARRANTIES
HEREIN AND ABOVE SET FORTH. PARTLOW MAKES NO WARRANTY OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE WITH RESPECT TO THE PRODUCTS.

Limitations

Partlow shall not be liable for any incidental damages, consequential damages, special damages, or any other
damages, costs or expenses excepting only the cost or expense of repair or replacement as described above.

Products must be installed and maintained in accordance with Partlow instructions. Users are responsible for the
suitability of the products to their application. There is no warranty against damage resulting from corrosion, misappli­cation, improper specifications or other operating condition beyond our control. Claims against carriers for damage in
transit must be filed by the buyer.

This warranty is void if the purchaser uses non-factory approved replacement parts and supplies or if the purchaser
attempts to repair the product themselves or through a third party without Partlow authorization.

Returns

Partlow’s sole and exclusive obligation and buyer’s sole and exclusive remedy under the above warranty is limited to
repairing or replacing (at Partlow’s option), free of charge, the products which are reported in writing to Partlow at its
main office indicated below.

Partlow is to be advised of return requests during normal business hours and such returns are to include a statement
of the observed deficiency. The buyer shall pre-pay shipping charges for products returned and Partlow or its
representative shall pay for the return of the products to the buyer.

Approved returns should be sent to: PARTLOW CORPORATION

2 CAMPION ROAD
NEW HARTFORD, NY 13413 USA

MIC 1460 ManualEdition 1