RTP 3110 User manual

Technical Manual
3110 & 3120
8-Channel
100Ω RTD Input Cards

2
© 2002 - 2019 RTP Corporation
Specifications, information and graphics are subject to change without notice. Contact
RTP’s corporate office for specifics regarding any changes.
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from RTP Corp.
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RTP Corporation
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Phone: [phone]
Internet: http://www.rtpcorp.com
Last Updated: 05/17/19

3
TABLE OF CONTENTS
INTRODUCTION........................................................................................4
SPECIFICATIONS.....................................................................................5
FAILURE RATES IN ACCORDANCE TO IEC 61508 ...............................7
CABLING....................................................................................................8
3-Wire RTD Selection...............................................................................8
4-Wire RTD Selection.............................................................................10
REDUNDANT I/O CARDS PLACEMENT................................................14
3000 Series System with I/O Cards..............................................................14
3100 Series System with I/O Cards..............................................................14
SOFTWARE CONFIGURATION .............................................................14
PLD Upgrade...............................................................................................14
NetArrays Configuration...............................................................................17
Redundant Card ID................................................................................18
Type.......................................................................................................18
Float Cal High Input ...............................................................................18
Float Cal Low Input................................................................................18
Float Board Temp ..................................................................................18
Integer Card Revision.............................................................................18
Integer Cal Date.....................................................................................19
Integer Cal Serial Number......................................................................19
Integer Error Detection...........................................................................19
Integer Channel Error Status..................................................................20
Channel .................................................................................................21
I/O Tag...................................................................................................21
Filter.......................................................................................................21
Threshold...............................................................................................21
Comment...............................................................................................21
COMPLIANCE WITH CE MARK .............................................................22
ENVIRONMENTAL CONDITIONS ..........................................................24
REFERENCED COMPANIES..................................................................25
DEFINITIONS...........................................................................................25

4
Introduction
The 3110 and 3120 8-Channel RTD cards can measure temperatures with either eight 3-wire
connected resistance temperature detectors or four 4-wire connected resistance temperature
detectors (RTD). The analog input card provides isolation between the channels and the RTP
system. The RTDs share a common power supply for the precision excitation current sources.
Analog to digital conversion is performed by a 16-bit switched capacitor successive
approximation A/D converter. A precision voltage source provides self-test function for the card’s
amplifiers and A/D converter and can be used to verify accuracy in user application logic. The
card also includes an onboard temperature sensor which automatically compensates the
temperature measurement for higher accuracy. No field adjustments are necessary after the
initial factory setup.
I/O bus checking diagnostics, card address tests, and configuration tests are performed each
time the controller accesses the card. All data and control transfers are performed twice, once
using the actual data and then using the inverted data. Both versions of the data are compared
to verify that all I/O bus data bits are functioning properly. The configuration code from the card is
compared to the I/O configuration to check that the correct card is installed in the rack. I/O Bus
slot address and control signal contention tests also are performed. Any fault detected sets
status bits in an error detection variable returned to the user application program.
An onboard temperature sensor provides a card temperature reading which can be used to verify
the air flow around the card.

5
An indicator LED, located near the top of the front panel, indicates the overall health status of the
card. If this LED is on, the card is functioning normally; if it is off, the card is offline. If this LED is
on, but the card is shown in red on the NetArrays IOC screen and cannot be enabled, indicates
an error in the cards calibration data.
The 8-Channel RTD card provides a DC-to-DC converter that supplies power to the eight
excitation-current sources. Dual and triple redundant configurations can be implemented by
adding one or two additional cards and cable sets. Up to three Analog Input cards may be
connected to the RTDs in parallel using the same 3099/34-000 Termination Module. The
3099/31-100 Single Termination Module can be used when redundancy is not required.
Each of the channels contain configuration jumper blocks (JP200 through JP203) for selecting
either a 3-Wire RTD connection or a 4-Wire RTD connection. Up to eight 3-Wire RTD’s or four 4-
Wire RTD’s can be connected.
For long term accuracy, the calibration channels should be monitored to the desired accuracy
tolerance.
The 3110 cards scans at 1000 samples per second with a -3dB @ 2KHz double pole filter. The
3120 card scans at 43 samples per second with a -6dB @ 9 Hz double pole filter.
Specifications
Module Safety Integrity Level: Non-interfering with safety rated modules.
Card Address: Determined by the slot of the controller backplane
Number of channels: 8 (3-wire configuration) or 4 (4-wire configuration)
Isolation: 500 V Channel to RTP BUS
Type of protection: Digital isolators (magnetic)
Input Signal Range: 0 to 160 mV
RTD Type and Range: 100 Platinum
–200 °C to +850 °C
18.52 to 390.48 
RTD Linearization: Internal (ITS-90: Alpha = 0.00385) or user supplied
RTD Excitation Current:
3-Wire Two 400 A ± 1½% current sources connected to Sense+
and Sense –
4-Wire One 400 A ± 1½% current source on an Excitation Source
Maximum permanent allowed
Voltage (no damage): 6 Volts
Reading under overload condition: Reported in error status word.
Common Points between Channels: All channels common to excitation return
Normal Mode Rejection: 3110: 0 dB at 60 Hz
3120: -39 dB at 60 Hz
Type of Input: Single Ended
Conversion method: Successive approximation
Guard Band: 160mV to 161.618mV

6
Sample Repetition Rate: 3110: 1 millisecond (1000 scans per second)
3120: 23 milliseconds (43 scans per second)
Sample Duration & Settling Time: 3110: 17.7 microseconds
3120: 1.3 milliseconds
Input Filter characterization:
3110
Order: First Order
Transition: -3 dB at 2 kHz
3120
Order: Second Order
Transition: -6 dB at 9 Hz
Multiplexer Type: Solid state multiplexer
Full Scale Value: 160 mV
Analog input error:
Maximum error at 25 °C: ±0.085% of Full Scale Value (±136 µV)
Temperature Coefficient: ±0.0068% of Full Scale Value/ ºC (±10.9 µV/ ºC)
Maximum error (0 to 55 °C): ±0.289 % of Full Scale Value (±462 µV)
Non-Linearity: ±0.025% of Full Scale Value
Repeatability: ±0.085% of Full Scale Value at fixed temperature
Monotonicity with no missing codes: Yes
Note: To insure the stated Analog I/O specifications, you need five
minutes of warm-up time in a stable temperature
environment. In addition, the inputs may not meet the full-
scale accuracy specification at the upper and lower ends of
the extended operating range:
•-20 to 0 °C (-4 to 32 °F)
•55 to 60 °C (131 to 140 °F)
Resolution: 16 Bits
Value of LSB: 0.0133 , 5.3205 µV
Input Source Impedance: Maximum 1 kincluding cables to meet specifications
Power Requirements: +5 VDC @ 300 mA
+24 VDC @ 250 mA
Termination Module Connectors: 37 pin D-Sub connector for use with the 3058/00 Analog
Cables. These cables have a diameter of 0.5 inches (1.27
centimeters) with a minimum bend radius of 4.6 inches
(11.69 centimeters).
Field Wiring Mating Connector: AMP (Tyco) 205209-2 37- Pin D-Sub Connector, Female
Termination Module: All Termination Modules are 4.38 inches (11.1 centimeters)
in height and have 3.75 inches (9.5 centimeters) of depth.
The width for each termination module and the compatible
field wiring size is tabulated as following:

7
Model #
Description
Width
(")
Width
(cm)
Minimum
AWG
Maximum
AWG
3099/31-100
Single Termination Module - 8 channel
voltage input
2.27
5.8
30
12
3099/34-000
Triple RTD Termination Module
4.37
11.1
26
16
Module dimension values are ± 0.05 inches or ± 0.127 centimeters!
Effect of Incorrect Field Wiring: Incorrect temperature readings.
Failure Rates in Accordance to IEC 61508
The 3110 and 3120 RTD input cards cannot be used for safety-critical functions. The module is
non-interfering with other safety-critical modules and therefore can be used for non-safety related
functions.

8
Cabling
Adhere to the specified insulation strip length of 0.26 inches (6.5 mm) when you connect field
wiring to the terminal modules; excessive insulation strip lengths causes an electrical hazard. Do
not exceed the specified torque when you secure the wires into the terminal module; maximum
torque is 2.2 inch-pounds (0.25 N-m).
Standard length for 3058/00 and 3058/FL cable is 5 feet.
You must disable (offline) an I/O card before you can hot-swap it. After you replace an I/O card,
you must enable it to return it to operation. It must be also disabled (offline), if making online
changes and removing it from a redundant configuration. While NetArrays is operating in Debug
mode, use the I/O Configuration Form to disable or enable I/O cards. To hot swap an I/O card,
first display the card’s icon in the I/O Configuration Form. If the I/O card’s icon is red, you can
remove it. If the I/O card’s icon is yellow or green, select the icon and disable it before you
remove the card. After you replace the I/O card, select the card’s icon and re-enable it. The
color of the icon changes to green to indicate the card is online.
Warning! Dangerous high voltages may be present at the cards’ terminal blocks during
normal operation. When you service these cards, avoid contact with exposed voltages
on the card while you connect the field cabling. The field cabling terminal block
connectors also may have high voltages when disconnected from the card.
Warning! Never remove the card from the chassis with the termination cables
connected and the field power applied. Always disconnect the field power and cables
before removing the card from the chassis. Always insert the card into the chassis with
the cables and field power disconnected.
3-Wire RTD Selection
Jumpers JP200 through JP203 on the card select the RTD wiring type for channels 0 through 7,
respectively. Position these jumper plugs on the card as following:

9
Figure 1: Field connections on the 3099/31-100 or 3099/34-000 Termination
Modules shown with 3-Wire RTD example.
Pin
Signal
1 Top
Channel 0 Sense+
1 Middle
Channel 0 Sense-
1 Bottom
Channel 0 Excitation Return
2 Top
Channel 1 Sense+
2 Middle
Channel 1 Sense-
2 Bottom
Channel 1 Excitation Return
3 Top
Channel 2 Sense+
3 Middle
Channel 2 Sense-
3 Bottom
Channel 2 Excitation Return
4 Top
Channel 3 Sense+
4 Middle
Channel 3 Sense-
4 Bottom
Channel 3 Excitation Return
5 Top
Channel 4 Sense+
5 Middle
Channel 4 Sense-
5 Bottom
Channel 4 Excitation Return
6 Top
Channel 5 Sense+
6 Middle
Channel 5 Sense-
6 Bottom
Channel 5 Excitation Return
7 Top
Channel 6 Sense+
7 Middle
Channel 6 Sense-
7 Bottom
Channel 6 Excitation Return
8 Top
Channel 7 Sense+
8 Middle
Channel 7 Sense-
8 Bottom
Channel 7 Excitation Return
9 Top
No Connection
9 Middle
No Connection
9 Bottom
No Connection
400 A
400 A
800 A
R
T
D

10
4-Wire RTD Selection
Jumpers JP200 through JP203 on the card select the RTD wiring type for channels 0 through 7,
respectively. The odd numbered channels are not used, therefore only up to four 4-Wire RTD’s
can be configured (Channels 0, 2, 4 and 6). Position these jumper plugs on the card as following:
Figure 2: Field connections on the 3099/31-100 or 3099/34-000 Termination Modules shown
with 4-Wire RTD example.
Pin
Signal
1 Top
Channel 0 Sense+
1 Middle
Channel 0 Sense-
1 Bottom
Channel 0 Excitation Return
2 Top
Channel 0 Excitation Source
2 Middle
No Connection
2 Bottom
No Connection
3 Top
Channel 2 Sense+
3 Middle
Channel 2 Sense-
3 Bottom
Channel 2 Excitation Return
4 Top
Channel 2 Excitation Source
4 Middle
No Connection
4 Bottom
No Connection
5 Top
Channel 4 Sense+
5 Middle
Channel 4 Sense-
5 Bottom
Channel 4 Excitation Return
6 Top
Channel 4 Excitation Source
6 Middle
No Connection
6 Bottom
No Connection
7 Top
Channel 6 Sense+
7 Middle
Channel 6 Sense-
7 Bottom
Channel 6 Excitation Return
8 Top
Channel 6 Excitation Source
8 Middle
No Connection
8 Bottom
No Connection
9 Top
No Connection
9 Middle
No Connection
9 Bottom
No Connection
R
T
D
400 A
Load

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USER INTERFACE CONNECTION
3058/FL
WIRE
GROUP
WIRE
COLOR
37-PIN
CONNECTOR
PIN
SIGNAL
Group 1
SHIELD
36
CH 0(S)
RED
17
CH 0+
BLACK
35
CH 0-
Group 2
SHIELD
16
CH 1(S)
RED
34
CH 1+
BLACK
15
CH 1-
Group 3
SHIELD
33
CH 2(S)
RED
14
CH 2+
BLACK
32
CH 2-
Group 4
SHIELD
13
CH 3(S)
RED
31
CH 3+
BLACK
12
CH 3-
Group 5
SHIELD
30
CH 4(S)
RED
11
CH 4+
BLACK
29
CH 4-
Group 6
SHIELD
10
CH 5(S)
RED
28
CH 5+
BLACK
9
CH 5-
Group 7
SHIELD
27
CH 6(S)
RED
8
CH 6+
BLACK
26
CH 6-
Group 8
SHIELD
7
CH 7(S)
RED
25
CH 7+
BLACK
6
CH 7-
Group 9
SHIELD
4
No Connection
RED
22
No Connection
BLACK
3
No Connection
Cable
White
1
Cable Detect
Detect
White
19
Cable Detect
Figure 3: User Interface Connections for 3110 & 3120 Cards with 3058/FL cable.
NOTE: Cable detect is activated by connecting Pin 1 to Pin 19.

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3-Wire RTD Selection
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
31
33
34
35
36
37
User Interface Connections
Signal
CABLE DETECT
Not Used
Not Used
Not Used
Not Used
CH-7 Sense -
CH-7 Return
CH-6 Sense +
CH-5 Sense-
CH-5 Return
CH-4 Sense +
CH-3 Sense -
CH-3 Return
CH-2 Sense +
CH-1 Sense -
CH-1 Return
CH-0 Sense +
Not Used
CABLE DETECT
Not Used
Not Used
Not Used
Not Used
Not Used
CH-7 Sense +
CH-6 Sense -
CH-6 Return
CH-5 Sense +
CH-4 Sense -
CH-4Return
CH-3 Sense +
CH-2 Sense -
CH-2 Retrun
CH-1 Sense +
CH-0 Sense -
CH-0 Return
Not Used
400 µA
R
T
D
400 µA
800 µA
Figure 4: User Interface Connections for 3110 & 3120 Cards with user fabricated cable.
NOTE: Cable detect is activated by connecting Pin 1 to Pin 19.

13
4-Wire RTD Selection
Figure 5: User Interface Connections for 3110 & 3120 Cards with user fabricated cable.
NOTE: Cable detect is activated by connecting Pin 1 to Pin 19.
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
31
33
34
35
36
37
User Interface Connections
Signal
CABLE DETECT
Not Used
Not Used
Not Used
Not Used
CH-7 Sense -
CH-7 Return
CH-6 Sense +
CH-5 Sense-
CH-5 Return
CH-4 Sense +
CH-3 Sense -
CH-3 Return
CH-2 Sense +
CH-1 Sense -
CH-1 Return
CH-0 Sense +
Not Used
CABLE DETECT
Not Used
Not Used
Not Used
Not Used
Not Used
CH-7 Sense +
CH-6 Sense -
CH-6 Return
CH-5 Sense +
CH-4 Sense -
CH-4Return
CH-3 Sense +
CH-2 Sense -
CH-2 Retrun
CH-1 Sense +
CH-0 Sense -
CH-0 Return
Not Used
400 µA
R
T
D
400 µA

14
Redundant I/O Cards Placement
3000 Series System with I/O Cards
Redundant I/O cards may be located in any chassis; there are no restrictions.
3100 Series System with I/O Cards
Redundant Input Cards in non-safety 3100 systems have no restrictions.
3200 Series System with I/O Cards
Redundant I/O cards may be located in any chassis; there are no restrictions.
Software Configuration
PLD Upgrade
To update card’s PLD firmware follow this procedure:
1. Turn the power ON at all chassis within the target node.
2. From Windows StartPrograms menu, launch the RTP Netsuite/RTPNC utility.
3. Select the Node with the I/O cards to be updated.
4. Select FILE/Download File and navigate to the Program pldprog.pgm. Use the FILE
TYPE/pgm option. CLICK/OPEN button to initiate downloading the file. When prompted
for PASSWORD enter “rtp” (or the correct node password).
5. Select FILE/Download File and Select CID_0100.PLD (for 3110) or CID_0101.PLD
(for 3120).Use the FILE TYPE/pld option. CLICK/OPEN button to initiate downloading
the file. When prompted for PASSWORD enter “rtp” (or the correct node password).
6. In RTP NetArrays Select Status for the Node, and observe that the pldprog.pgm file
and the CID_0100.PLD (for 3110) or CID_0101.PLD (for 3120) file were received as
shown in Status Window 1.
7. Turn the power OFF and then back ON at all chassis within the target node.
8. The program pldprog.pgm downloaded will start and automatically update all of the
applicable cards’ PLDs. All non-distributed I/O cards should have their status LEDs ON.
9. In NetArrays Select Status for the Node, observe that the update has started as shown
in Status Window 1.
10. The Status Window will show all cards marked to be updated. Ensure that all applicable
cards in the Node are identified for updating.
11. Depending on the speed of the node, it will take several minutes for the process to
complete. When finished, the Status Window will show as shown in Status Window 2.
12. The cards being updated are processed at different times. Ensure that all cards identified
for updating have been processed before proceeding.
13. It is possible that cards of a type not being updated will report an error. This is of no
concern.

15
14. After the PLD update process is complete, all applicable cards in the Node will have their
PLDs updated.
15. Turn the power OFF and then back ON at all chassis within the target node. After the
power cycle, the 2 files downloaded will automatically be deleted, and the normal node
program will be active. The cards’ Integer Card Revision variables will show the revision
of the PLD downloaded.

16
Status Window 1
Status Window 2

17
NetArrays Configuration
The 3110 RTD card provides eight differential 3-wire or 4-wire resistive temperature device input
points. The channel input data can be accessed as either a floating-point engineering units
temperature value (Float Variable). Calibration inputs are available for A/D converter testing.
NetArrays also returns an error detection status word for the card.
This card provides an input signal range of 160 mV (32439 counts). RTD type selection is
provided for voltage-to-temperature conversion of the channel inputs. Input filter parameters are
provided signal conditioning.
NOTE: Card properties for the 3110 and 3120 cards are the same.

18
Card Properties
Redundant Card ID
If the inputs of two or three of these cards are connected in a parallel redundant input
configuration, a unique Redundant Card ID must be assigned to the cards to identify them as
being part of the same parallel redundant group. RTD input cards are considered to be
connected in a parallel redundant input configuration if a single RTD is connected to channel 0 of
each card, another output device is connected to channel 1 of each card, and so on for every
configured channel on the cards. Assigning them to a redundant group determines which card is
providing the excitation current.
The Redundant Card ID number assigned to one group must not be assigned to any other group
of parallel redundant cards. If the RTD card's inputs are not connected in a parallel redundant
configuration, the Redundant Card ID must be 0.
When configured redundantly only one RTD at a time will provide valid data, while the redundant
cards will have the data invalid bit set true of the Integer Error Detection Word, and will appear
yellow in the IOC.
Type
Choose either 100-Ohm Platinum or None. Select RTD type of 100-ohm Platinum for this
property to return channel inputs in units of Degrees Celsius. The voltage-to-temperature
conversion is automatically performed in accordance to ITS-90. If “None” is selected, the input
returned for the channel is a resistance in ohms.
RTD Type
Temperature Range
100Platinum
200 to +850 degrees C
Float Cal High Input
The Cal High Input is a floating-point voltage equal to 0.144 volts (±1.4mV). It is derived from the
fixed calibration voltage source on the card. This input can be used to test the card’s calibration
and performance. NetArrays assigns a default Tag to this variable when the card is added to the
I/O configuration.
Float Cal Low Input
The Cal Low Input is a floating-point voltage equal to 0.0 volts (±0.0006V). It is derived from a
ground on the card. This input can be used to test the card’s calibration and performance.
NetArrays assigns a default Tag to this variable when the card is added to the I/O configuration.
Float Board Temp
The Board Temp is a floating-point value, which equals to the operating temperature in Degrees
Celsius as measured by an on-board sensor. User applications can implement customized limits
for alarms and annunciations by examining the value of this variable. NetArrays assigns a default
Tag to this variable when the card is added to the I/O configuration. Reassign this Tag as
required to access this board temperature in the project program.
Integer Card Revision
The card revision is an integer value, which equals to the revision number of the PLD code.
NetArrays assigns a default Tag to this variable when the card is added to the I/O configuration.
Reassign this Tag as required to access this card revision in the project program.

19
Integer Cal Date
This is an encoded date when the card was calibrated in the format YYDDD where YY is
the last 2 digits of the year and DDD is the day within the year.
Integer Cal Serial Number
This is a serial number recorded when the card was calibrated.
Integer Error Detection
The Error Detection input is an Int Variable that can be used to detect an I/O card failure.
NetArrays assigns a default Tag to this variable when the card is added to the I/O configuration.
A Card Timeout Error (Bit 0) will set the Error Latch bit (Bit14), which will remain set until this bit is
cleared to zero by an operator. While the Error Latch is set, the card will be offline and the target
node will not attempt to communicate with it. Note that most cards do not use all the status bits
shown. Any unused bits will always equal zero.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
ERR
LTCH
DATA
ERR
DATA
INV
CARD
ID
CARD
ERR
CBL
ERR
CAL
HIGH
CAL
LOW
CH
FAIL
TIME
OUT
Bit 14 Card Error Latch
This status bit indicates that a Card Timeout Error occurred on the I/O card, and that it
has been taken offline. The card will not be initialized or placed online until this bit is
cleared in the project program or operator intervention.
If this bit is set, it must be cleared to return the card to operation. The correct way to
clear this bit is to select the card’s icon in the I/O configuration Form while NetArrays is
operating in Debug mode and answer “Yes” to the Enable prompt. See I/O Card Status
and Control. (It is also possible to change the value of this variable by forcing an Integer
Bit Variable object, with Bit 14 selected in the object's properties, to zero. Do not clear
the entire Error Detection Integer Variable to zero.)
Bit 9 Backplane Bus Data Error
This status bit indicates that a data error was detected in a data or command transfer to
or from an I/O card.
Bit 8 Data Invalid
This status bit indicates that the I/O card is not ready to send valid data.
Bit 7 Card ID Does Not Match I/O Configuration
This bit indicates that the ID code read from the I/O card does not match the card type
specified in the NetArrays I/O configuration.
Bit 6 Card Specific Error
This bit indicates an error in the Power that is supplied via backplane (BPEXTV). It could
indicate that the 24 VDC is not generated or supplied externally to the backplane. It
could also indicate a DC-to-DC converter failure, which is on the card.
Bit 5 Cable Detect Error
This bit indicates that one or more of the cables are not connected to the I/O card or
between the I/O card and the termination block.
Bit 3 Cal High
This bit indicates that calibrated voltage sources Float Cal High 00 or Float Cal High 01
are outside tolerance.

20
Bit 2 Cal Low
This bit indicates that ground voltages Float Cal Low 00 or Float Cal Low 01 are outside
tolerance.
Bit 1 Channel Failure
This bit indicates that the card has a failure on one or more of its channels. Examine the
channel specific error status word to isolate the failed channel(s).
Bit 0 Card Timeout Error
This bit indicates that there was no response from the I/O card. The card is not returning
a ready test signal, is offline, or has been removed from the chassis. This bit sets the
Card Error Latch (Bit 14).
Integer Channel Error Status
The Channel Error Status is an Int Variable that returns fault indications for channels 0 through 7.
A failure consists of an out-of-range (160 mV). A 1 indicates an out-of-range is detected on the
channel. NetArrays assigns a default Tag to this variable when the card is added to the I/O
configuration.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Ch 7
Fault
Ch 6
Fault
Ch 5
Fault
Ch 4
Fault
Ch 3
Fault
Ch 2
Fault
Ch 1
Fault
Ch 0
Fault