MCN Monitoring and Control Network
GPIO
General Purpose Input/Output Module
Hardware Reference Manual
S2-61286-100
Note:
Switch settings vary
depending upon the system.
Be sure to verify switch settings
before installation
Be sure to set the rotary address switches to the
proper addresses before installing the system.
FCC Statement
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be
required to correct the interference at his own expense.
Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the
equipment.
DOC Statement
This Class A digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.
Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada.
This manual describes products which include copyrighted CTI Products, Inc. computer programs in semiconductor memory. CTI Products, Inc. reserves all
rights for these programs, including the exclusive right to copy or reproduce the copyri ghted computer programs in any form . No copyrighted computer
program contained in products described in this manual may be copied, reproduced, decompiled, disassembled, or reversed engineered in any manner
without express written permission of CTI Products, Inc. The purchase of products from CTI Products, Inc. shall not be deemed to grant either directly or by
implication, estoppel, or otherwise, any license under the copyrights, patents, or patent applications of CT I Products, Inc., except for the normal nonexclusive, royalty fee license to use that arises by operation of law in the sale of the product.
Information contained in this document is subject to change without notice and does not represent a commitment on the part of CTI Products, Inc.
Computer Software Copyrights
No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, for
any purpose without the written permission of CTI Products, Inc.
Copyright 1995-2008 CTI Products, Inc. All rights reserved.
MCN, CIB, GPIO and MCNRCD are trademarks of CTI Products, Inc. Other trademarks referenced are properties of their respective owners.
CTI Products, Inc.
1211 W. Sharon Rd.
Cincinnati, OH 45240
Phone: (513) 595-5900. (8:30 to 5:00 Eastern)
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2
GPIO Hardware Reference
CTI Products, Inc.
Standard Limited Hardware Warranty
LIMITED WARRANTY. Equipment manufactured by CTI Products, Inc. is warra nted to be free from defects in material and workmanship for a period of
ONE (1) YEAR from date of shipment to original purchaser. Under this warranty, our obligation is limited to repairing or replacing any equipment proved to
be defective by our inspection within one year of sale to the original purchaser. This warranty shall not apply to equipment which has been repaired outside
our plant in any way, so as to, in the judgment of CTI Products, Inc. affect its stability or reliability, nor which has been operated in a manner exceeding its
specifications, nor which has been altered, defaced, or damaged by lightning.
CUSTOMER REMEDIES. In the event of a defect, malfunction, or failure to conform to specifications established by the seller during the period shown,
the customer shall call CTI Products, Inc. to obtain a Return Authorization Number and return the product or module, shipping and insurance prepaid. CTI
Products, Inc., will then at its option, either repair or replace the product or module and return it, shipping prepaid, or refund the purchase price thereof. Onsite labor at the purchaser's location is not included in this warranty.
EQUIPMENT NOT MANUFACTURED BY CTI Products, Inc. Equipment not manufactured by CTI Products, Inc. is excluded from this warranty, but
is subject to the warranty provided by its manufacturer, a copy of which will be supplied to you upon specific written request.
NO OTHER WARRANTIES. The foregoing constitutes the sole and exclusive remedy of the buyer and exclusive liability of CTI Products, Inc., AND IS
IN LIEU OF ANY AND ALL OTHER WARRANTIES EXPRESSED OR IMPLIED OR STATUTORY AS TO MERCHANTABILITY, FITNESS FOR
PURPOSE SOLD, DESCRIPTION, QUALITY, PRODUCTIVENESS OR ANY OTHER MATTER.
NO LIABILITY FOR CONSEQUENTIAL DAMAGES. WITHOUT LIMITING THE FOREGOING, IN NO EVENT SHALL CTI
PRODUCTS, INC. OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION,
SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING OUT OF THE USE OF OR INABILITY TO USE CTI
PRODUCTS, INC. EQUIPMENT BY PURCHASER OR OTHER THIRD PARTY, WHETHER UNDER THEORY OF CONTRACT, TORT
(INCLUDING NEGLIGENCE), INDEMNITY, PRODUCT LIABILITY OR OTHERWISE, EVEN IF CTI PRODUCTS, INC. HAS BEEN
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR LOSSES. IN NO EVENT SHALL CTI PRODUCTS, INC.’S, LIABILITY
EXCEED THE TOTAL AMOUNT PAID BY PURCHASER FOR THE EQUIPMENT GIVING RISE TO SUCH LIABILITY
68-12068-100
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GPIO Hardware Reference
CTI Products, Inc.
Manual Revisions:
S2-61286-100 Original Release.
68-12068-100
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GPIO Hardware Reference
CTI Products, Inc.
TABLE OF CONTENTS
1. INTRODUCTION......................................................................................................................7
1.1 MODELS......................................................................................................................................7
1.2 MODULE USAGE IN A SYSTEM.....................................................................................................8
1.3 REFERENCE DOCUMENTS............................................................................................................8
2. SPECIFICATIONS..................................................................................................................10
3. INPUTS & OUTPUTS.............................................................................................................11
3.1 SOLID STATE RELAY OPTION....................................................................................................12
3.2 MAGNETICALLY-LATCHED RELAY OPTION ..............................................................................12
4. INDICATORS..........................................................................................................................13
4.1 INPUT AND OUTPUT LEDS ........................................................................................................13
4.2 PWR, ERR, ACT LEDS ...........................................................................................................13
5. OPTION SWITCHES & JUMPERS.....................................................................................14
5.1 GROUP & MODULE SWITCHES ..................................................................................................14
5.2 OPTION SWITCHES ....................................................................................................................14
5.2.1 Initializing the Relays....................................................................................................15
5.3 JUMPER OPTIONS.......................................................................................................................16
6. CONNECTORS .......................................................................................................................17
6.1 NETWORK CONNECTORS...........................................................................................................17
6.2 DC IN CONNECTOR ..................................................................................................................17
6.3 J1 50-PIN CONNECTOR PINOUT.................................................................................................18
6.3.1 Optically-Isolated 12 Input Option...............................................................................19
6.3.2 Solid-State (Form A) 12 Output Option........................................................................20
6.3.3 Electro-Mechanical (Form C) 8 Output Option ...........................................................21
6.3.4 Magnetically-Latched (Form C) 8 Output Option........................................................22
7. MOUNTING.............................................................................................................................23
8. TROUBLESHOOTING..........................................................................................................24
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GPIO Hardware Reference
CTI Products, Inc.
68-12068-100
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GPIO Hardware Reference Introduction
CTI Products, Inc.
1. Introduction
The General Purpose Input/Output Modules are part of CTI Products’ MCN™
Monitoring and Control Network. Versions are available with combinations of
opto-isolated inputs, SSR (Solid-State Relay) outputs, or mechanical relay
outputs. They can be used to monitor and control a wide range of devices at
remote sites, including:
• Generators
• Doors / Intrusion alarms
• Door Locks
• Gate Controls
• Power Fail
• Temperature Alarms
• Microwave / T1 Link Status
GPIO-1208 Module
1.1 Models
A
111210987654321
IN
OUTNETWORK
Front View
B
1234567 89101112
8
9
8
9
7
6
5
4
3
2
0
1
7
7
A
A
6
B
6
B
5
C
5
C
4
D
4
D
3
E
3
E
2
F
2
F
0
1
PWR ACT
8
9
A
B
C
D
E
F
0
1
1234
ON
SVC
ERR
RESETDC IN OPTIONMODULEGROUP
J1
Rear View
E1 A
E1 B
CA-80851-100
Figure 1 – GPIO Module
GPIO Modules are available in standard configurations listed in the following
Models table. Contact CTI Products for additional variations.
CTI Part
Number
S2-61281 GPI-12 12
S2-61282 GPI-24 24
S2-61283 GPO-12A 12
S2-61284 GPO-24A 24
S2-61285 GPIO-1212A 12 12
S2-61299 GPIO-1208C 12 8
S2-61363 GPO-16C 16
S2-61426 GPIO-1208L 12 8
Model Opto-
Isolated
Inputs
SSR
Outputs
(Form A)
E-M Relay
Outputs
(Form C)
Magnetically
Latched
Relay Outputs
(Form C)
Table 1 – Standard Models
Inputs are optically isolated, accept voltage inputs of 12 - 24 VAC/VDC
(nominal), and can be monitored with a PC running the MCNRCD Software.
Outputs are controlled from a PC running the MCNRCD Software, and can be
either latching or momentary.
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GPIO Hardware Reference Introduction
CTI Products, Inc.
1.2 Module Usage in a System
This section describes the operation of the GPIO module in an MCN display
system.
Input Monitoring and Output Control
Off/on status from devices connected to inputs of the GPIO is sent to a MCN User
Interface Module over the MCN network. The User Interface Module (such as
the HIB-IP) then transfers the status to the PC running MCNRCD Software. The
MCNRCD Software displays the device status information on the PC monitor.
Likewise, off/on states of devices connected to GPIO outputs can be controlled
from the MCNRCD Software.
System Example
Figure 2 shows an example system to monitor and control equipment I/O using
GPIO modules. In this system, HIB-IP modules are used to “tunnel” these I/O
signals over an IP network, for display on a PC.
Figure 2 – GPIO in an MCN System
1.3 Reference Documents
1. Monitoring and Control Network System Manual
Part Number S2-60425
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GPIO Hardware Reference Specifications
CTI Products, Inc.
2. Specifications
Size
Weight
Temperature
Humidity
Module Power
Inputs
Output Options
Solid State Relay
Electro-Mechanical Relay
Magnetically Latched Relay
Inputs and Outputs per Module
Indicators
Equipment Connector
Network Connectors
Maximum Network Segment
Maximum Interface Modules
Network Cabling
Power Input
MCN Size A
5.5” x 4.2” x 1.5”
(140 x 107 x 38 mm)
19 oz (540 gm)
0 – 50 ºC
10 - 95% non-condensing
+15 to +30 VDC
Optically Isolated
12 – 24 VAC/VDC
SPST (Form A) Optically Isolated
24 VAC/VDC, 1 A Max. Resistive
SPDT (Form C)
48 VAC/VDC, 1 A Max. Resistive
SPDT (Form C)
48 VAC/VDC, 1 A Max. Resistive
See Table 1 above
One LED for each input & output
50 Pin Telco style, female
(2) RJ-45 (1 in, 1 out)
4000 ft. without repeaters
16 per network segment
(Larger, multi-segment systems can be customconfigured.)
4 Pair, Level 4 UTP
12 to 30 VDC / 2 W
Table 2 – GPIO Module Specifications
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GPIO Hardware Reference Inputs & Outputs
CTI Products, Inc.
3. Inputs & Outputs
Figure 3 shows the equivalent input and output circuits of the GPIO.
Figure 3 - I/O Equivalent Circuits
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GPIO Hardware Reference Inputs & Outputs
CTI Products, Inc.
3.1 Solid State Relay Option
The default setting for Solid State Relay output current is 1 A maximum,
resistive. For this setting, the relay on-resistance is 500 m-ohms. For DC loads
only, an internal jumper setting is available to allow 1.5 A maximum, with an onresistance of 150 m-ohms.
The maximum current stated above is for resistive loads only. For inductive
loads, the maximum current must be de-rated.
Jumper settings for Solid State Relay maximum load selection are listed in the
following table.
Load Type Voltage (max.) Current (max.) On-Resistance Jumper(s)
AC or DC 24V 1 A 500 m-ohms B
Hi DC 24V 1.5 A 150 m-ohms A & C
Table 3 – Loading Selection for Solid State Relay Option
3.2 Mechanical Relay Option
The Maximum Current rating of 1A listed in Table 2 is for resistive loads only.
For inductive loads, the maximum current must be de-rated.
3.3 Magnetically-Latched Relay Option
When these relays are changed to the Set mode, the Normally Open contact will
close, and the Normally Closed contact will open. When changed to the Reset
mode, the Normally Open contact will open, and the Normally Closed contact
will close.
Magnetically-latched relays will hold their state even when the power to the
GPIO module is off.
The Maximum Current rating of 1A listed in Table 2 is for resistive loads only.
For inductive loads, the maximum current must be de-rated.
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GPIO Hardware Reference Indicators
CTI Products, Inc.
4. Indicators
4.1 Input and Output LEDs
The GPIO has LEDs to display the status of all installed inputs and outputs.
Status LEDs for inputs are green. Status LEDs for outputs are red. The following
shows a GPIO module configured with 12 inputs (on the left) and eight outputs
(on the right). LEDs will be lit when the input or output is active.
Input LEDs
Output LEDs
GPIO-1208 Module
A
111210987654321
IN
OUTNETWORK
123456789101112
8
9
7
A
B
6
C
5
D
4
E
3
F
2
0
1
Front View
Figure 4 – Location of Indicators and Setup Switches
4.2 PWR, ERR, ACT LEDs
The GPIO has three additional LED indicators on the front panel.
PWR Continuously lit: Sufficient power is present.
Blinking: Voltage is low.
ERR 1 Blink: Group:Module set to FF:F (Invalid address)
Continuously lit: Other error (hardware or software)
ACT Lit: Connected to a PC running MCNRCD software
B
PWR ACT
SVC
ERR
8
9
8
9
7
A
7
A
B
6
B
6
C
5
C
5
D
4
D
4
E
3
E
3
F
2
F
2
0
1
0
1
1234
ON
RESETDC IN OPTIONMODULEGROUP
J1
Rear View
E1 A
E1 B
CA-80851-100
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GPIO Hardware Reference Option Switches & Jumpers
CTI Products, Inc.
5. Option Switches & Jumpers
Addressing and option switches are provided for module configuration. The
module must be power cycled or reset after these switches are set so that the
options will take effect. Press the Reset toggle switch down to reset the module.
5.1 Group & Module Switches
The Group and Module rotary selector switches are used to set the node address
during module installation. Each module must have a unique Group:Module
address. Refer to the Monitor and Control Network System Manual, S2-60425, for
details about address planning or the Custom System Configuration
documentation for pre-assigned addresses if your system is a Custom Engineered
system.
SWITCH DESCRIPTION DEFAULT
GROUP Unit Address setting (00-FE)
refer to the MCN System Manual
MODULE Unit Address setting (0-F)
refer to the MCN System Manual
00
0
5.2 Option Switches
This section applies only if magnetically-latched relays are installed in the GPIO.
The Option switches allow the technician to pre-set any magnetically-latched
relay outputs that are installed in the GPIO module.
OPTION
SWITCH
1 Not used Down
2 Not used Down
Option Switches 3 & 4 are used to select the initial state at power-up and reset:
SW3 SW4 Initial State on Power Up or Reset Default
Down Down Do not re-initialize. Use last stored state. X
Up Down Do not re-initialize. Use last stored state.
Down Up Initialize to OFF
Up Up Initialize to ON
Table 4 – Group & Module Switches
DESCRIPTION Notes Default
Reset Initial State
Reset Initialize Enable
See
See
Table 6
Table 6
Down 3
Down 4
Table 5 - Option Switches
Table 6 – Initial State on Reset
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GPIO Hardware Reference Option Switches & Jumpers
CTI Products, Inc.
5.2.1 Initializing the Relays
Magnetically-Latched relays in the GPIO will retain their state when power is off.
The initial state of relays after power-up will be all ON or all OFF.
If the relays come up in a random pattern when the power is initially applied, it is
probably because the relays were jarred during transport or installation.
To initialize the relays to the ON state:
1. Set switches as follows:
3 Up 4 Up.
2. Press the Reset Switch down and wait for 2 seconds.
3. The magnetically-latched relays should go into the ON State.
All the output LEDs should be ON.
4. Set switches as follows:
3 Down 4 Down
5. Press the Reset Switch down and wait for 2 seconds.
6. The magnetically-latched relays should STAY in the ON State.
All the output LEDs should be ON.
To initialize the relays to the OFF state:
1. Set switches as follows:
3 Down 4 Up.
2. Press the Reset Switch down and wait for 2 seconds.
3. The magnetically-latched relays should go into the OFF State.
All the output LEDs should be OFF.
4. Set switches as follows:
3 Down 4 Down
5. Press the Reset Switch down and wait for 2 seconds.
6. The magnetically-latched relays should STAY in the OFF State.
All the output LEDs should be OFF.
This procedure assumes that you want the magnetically-latched relays to maintain
the last state on power-up. If you want the magnetically-latched relays to always
start up in the ON State or OFF State, use the appropriate switch settings from
Table 6 in steps 4 above.
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GPIO Hardware Reference Option Switches & Jumpers
CTI Products, Inc.
5.3 Jumper Options
Figure 5 shows the jumper options on the rear of the unit. Note that neither of
these jumpers is connected internally on the GPIO, and therefore, has no usage.
Figure 5 - Jumper Options
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GPIO Hardware Reference Connectors
CTI Products, Inc.
6. Connectors
6.1 Network Connectors
The NETWORK IN/OUT ports on the front of the GPIO are used to connect the
GPIO with other MCN modules. These ports carry both the network data signals
as well as DC power for power distribution with other modules. Table 7 gives the
pinout for these connectors. Figure 6 shows the location of pin 1 for each port.
PRODUCTS, INC.
IN
PIN 1
NETWORK
OUT
DC IN
CA-80068-100
6.2 DC IN Connector
The DC IN port provides the primary power connection to the module. Power is
distributed through the NETWORK OUT connector to provide power to the
NETWORK IN connector of a subsequent MCN unit. Each power supply can
power one to four units. See Monitoring and Control Network System Manual
S2-60425 for complete details of connections to the network and DC IN
connectors.
Figure 6 - Network IN/OUT Ports
Pin Function
1 DATA +
2 DATA 3 + POWER
4 No Connect
5 No Connect
6 - POWER
7 - POWER
8 + POWER
Table 7 - Network Connector Pinout
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GPIO Hardware Reference Connectors
CTI Products, Inc.
6.3 J1 50-Pin Connector Pinout
Connector J1 provides access to the discrete I/O signals. The following tables
show the connector pinout in Punch-Block order. An I/O option (such as 12I,
12O, 8C, or 8L) can be installed in either the ‘A’ Option Position of the GPIO
module, or the ‘B’ Option Position, or both.
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GPIO Hardware Reference Connectors
CTI Products, Inc.
6.3.1 Optically-Isolated 12 Input Option
Option
Position Signal
26 A In A1 + A1
1 A In A1 -
27 A In A2 + A2
2 A In A2 -
28 A In A3 + A3
3 A In A3 -
29 A In A4 + A4
4 A In A4 -
30 A In A5 + A5
5 A In A5 -
31 A In A6 + A6
6 A In A6 -
32 A In A7 + A7
7 A In A7 -
33 A In A8 + A8
8 A In A8 -
34 A In A9 + A9
9 A In A9 35 A In A10 + A10
10 A In A10 36 A In A11 + A11
11 A In A11 37 A In A12 + A12
12 A In A12 38 B In B1 + B1
13 B In B1 39 B In B2 + B2
14 B In B2 40 B In B3 + B3
15 B In B3 41 B In B4 + B4
16 B In B4 42 B In B5 + B5
17 B In B5 43 B In B6 + B6
18 B In B6 44 B In B7 + B7
19 B In B7 45 B In B8 + B8
20 B In B8 46 B In B9 + B9
21 B In B9 47 B In B10 + B10
22 B In B10 48 B In B11 + B11
23 B In B11 49 B In B12 + B12
24 B In B12 50 nc
25 nc
Front Panel
LED J1 Pin
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GPIO Hardware Reference Connectors
CTI Products, Inc.
6.3.2 Solid-State (Form A) 12 Output Option
Option
Position Signal
26 A
1 A
27 A
2 A
28 A
3 A
29 A
4 A
30 A
5 A
31 A
6 A
32 A
7 A
33 A
8 A
34 A
9 A
35 A
10 A
36 A
11 A
37 A
12 A
38 B
13 B
39 B
14 B
40 B
15 B
41 B
16 B
42 B
17 B
43 B
18 B
44 B
19 B
45 B
20 B
46 B
21 B
47 B
22 B
48 B
23 B
49 B
24 B
50 nc
25 nc
Out A1 +
Out A1 Out A2 +
Out A2 Out A3 +
Out A3 Out A4 +
Out A4 Out A5 +
Out A5 Out A6 +
Out A6 Out A7 +
Out A7 Out A8 +
Out A8 Out A9 +
Out A9 Out A10 +
Out A10 Out A11 +
Out A11 Out A12 +
Out A12 Out B1 +
Out B1 Out B2 +
Out B2 Out B3 +
Out B3 Out B4 +
Out B4 Out B5 +
Out B5 Out B6 +
Out B6 Out B7 +
Out B7 Out B8 +
Out B8 Out B9 +
Out B9 Out B10 +
Out B10 Out B11 +
Out B11 Out B12 +
Out B12 -
Front Panel
LED J1 Pin
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
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GPIO Hardware Reference Connectors
p
p
g
p
g
p
p
g
p
g
p
p
g
p
g
p
p
g
p
g
p
p
g
p
g
p
p
g
p
g
p
p
g
p
g
p
p
g
p
g
CTI Products, Inc.
6.3.3 Electro-Mechanical (Form C) 8 Output Option
Option
Position Signal
26 A
1 A
27 A
2 A
28 A
3 A
29 A
4 A
30 A
5 A
31 A
6 A
32 A
7 A
33 A
8 A
34 A
9 A
35 A
10 A
36 A
11 A
37 A
12 A
38 B
13 B
39 B
14 B
40 B
15 B
41 B
16 B
42 B
17 B
43 B
18 B
44 B
19 B
45 B
20 B
46 B
21 B
47 B
22 B
48 B
23 B
49 B
24 B
50 nc
25 nc
RY A1 Com Pair A1 Com Ti
RY A2 Com Pair A1 Com Ring
RY A1 NO Pair A1 NO Ti
RY A2 NO Pair A1 NO Rin
RY A1 NC Pair A1 NC Ti
RY A2 NC Pair A1 NC Rin
RY A3 Com Pair A2 Com Ti
RY A4 Com Pair A2 Com Ring
RY A3 NO Pair A2 NO Ti
RY A4 NO Pair A2 NO Rin
RY A3 NC Pair A2 NC Ti
RY A4 NC Pair A2 NC Rin
RY A5 Com Pair A3 Com Ti
RY A6 Com Pair A3 Com Ring
RY A5 NO Pair A3 NO Ti
RY A6 NO Pair A3 NO Rin
RY A5 NC Pair A3 NC Ti
RY A6 NC Pair A3 NC Rin
RY A7 Com Pair A4 Com Ti
RY A8 Com Pair A4 Com Ring
RY A7 NO Pair A4 NO Ti
RY A8 NO Pair A4 NO Rin
RY A7 NC Pair A4 NC Ti
RY A8 NC Pair A4 NC Rin
RY B1 Com Pair B1 Com Ti
RY B2 Com Pair B1 Com Ring
RY B1 NO Pair B1 NO Ti
RY B2 NO Pair B1 NO Rin
RY B1 NC Pair B1 NC Ti
RY B2 NC Pair B1 NC Rin
RY B3 Com Pair B2 Com Ti
RY B4 Com Pair B2 Com Ring
RY B3 NO Pair B2 NO Ti
RY B4 NO Pair B2 NO Rin
RY B3 NC Pair B2 NC Ti
RY B4 NC Pair B2 NC Rin
RY B5 Com Pair B3 Com Ti
RY B6 Com Pair B3 Com Ring
RY B5 NO Pair B3 NO Ti
RY B6 NO Pair B3 NO Rin
RY B5 NC Pair B3 NC Ti
RY B6 NC Pair B3 NC Rin
RY B7 Com Pair B4 Com Ti
RY B8 Com Pair B4 Com Ring
RY B7 NO Pair B4 NO Ti
RY B8 NO Pair B4 NO Rin
RY B7 NC Pair B4 NC Ti
RY B8 NC Pair B4 NC Rin
Alternate Tip-Ring
Signal Pairs
Front Panel
LED J1 Pin
A1
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
B8
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GPIO Hardware Reference Connectors
p
p
g
p
g
p
p
g
p
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p
p
g
p
g
p
p
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p
p
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p
g
p
p
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p
g
p
p
g
p
g
p
p
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p
g
CTI Products, Inc.
6.3.4 Magnetically-Latched (Form C) 8 Output Option
Option
Position Signal
26 A
1 A
27 A
2 A
28 A
3 A
29 A
4 A
30 A
5 A
31 A
6 A
32 A
7 A
33 A
8 A
34 A
9 A
35 A
10 A
36 A
11 A
37 A
12 A
38 B
13 B
39 B
14 B
40 B
15 B
41 B
16 B
42 B
17 B
43 B
18 B
44 B
19 B
45 B
20 B
46 B
21 B
47 B
22 B
48 B
23 B
49 B
24 B
50 nc
25 nc
RY A1 Com Pair A1 Com Ti
RY A2 Com Pair A1 Com Ring
RY A1 NO Pair A1 NO Ti
RY A2 NO Pair A1 NO Rin
RY A1 NC Pair A1 NC Ti
RY A2 NC Pair A1 NC Rin
RY A3 Com Pair A2 Com Ti
RY A4 Com Pair A2 Com Ring
RY A3 NO Pair A2 NO Ti
RY A4 NO Pair A2 NO Rin
RY A3 NC Pair A2 NC Ti
RY A4 NC Pair A2 NC Rin
RY A5 Com Pair A3 Com Ti
RY A6 Com Pair A3 Com Ring
RY A5 NO Pair A3 NO Ti
RY A6 NO Pair A3 NO Rin
RY A5 NC Pair A3 NC Ti
RY A6 NC Pair A3 NC Rin
RY A7 Com Pair A4 Com Ti
RY A8 Com Pair A4 Com Ring
RY A7 NO Pair A4 NO Ti
RY A8 NO Pair A4 NO Rin
RY A7 NC Pair A4 NC Ti
RY A8 NC Pair A4 NC Rin
RY B1 Com Pair B1 Com Ti
RY B2 Com Pair B1 Com Ring
RY B1 NO Pair B1 NO Ti
RY B2 NO Pair B1 NO Rin
RY B1 NC Pair B1 NC Ti
RY B2 NC Pair B1 NC Rin
RY B3 Com Pair B2 Com Ti
RY B4 Com Pair B2 Com Ring
RY B3 NO Pair B2 NO Ti
RY B4 NO Pair B2 NO Rin
RY B3 NC Pair B2 NC Ti
RY B4 NC Pair B2 NC Rin
RY B5 Com Pair B3 Com Ti
RY B6 Com Pair B3 Com Ring
RY B5 NO Pair B3 NO Ti
RY B6 NO Pair B3 NO Rin
RY B5 NC Pair B3 NC Ti
RY B6 NC Pair B3 NC Rin
RY B7 Com Pair B4 Com Ti
RY B8 Com Pair B4 Com Ring
RY B7 NO Pair B4 NO Ti
RY B8 NO Pair B4 NO Rin
RY B7 NC Pair B4 NC Ti
RY B8 NC Pair B4 NC Rin
Alternate Tip-Ring
Signal Pairs
Front Panel
LED J1 Pin
A1
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
B8
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GPIO Hardware Reference Mounting
CTI Products, Inc.
7. Mounting
Various mounting kits are available to mount the GPIO module.
Mounting Kits
Rack Mount - 4 A size modules
1 Rack Unit (1.75") High
Rack Mount - 2 A size modules plus 1 B size module
1 Rack Unit (1.75") High
(Used to mount 2 GPIOs and 1 EXB module.)
Refer to Monitoring and Control Network System Manual S2-60425, Mounting
Options section, for physical details about mounting the GPIO module.
S2-60435
S2-60443
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GPIO Hardware Reference Troubleshooting
CTI Products, Inc.
8. Troubleshooting
This table is a list of troubleshooting tips specific to the GPIO module. For
additional troubleshooting tips, refer to the troubleshooting section found in the
Monitoring and Control Network System Manual S2-60425.
Due to the high percentage of surface-mount components, the GPIO is treated as a
field replaceable unit. If any system problems are the result of a malfunctioning
GPIO module, the entire unit must be replaced and returned for repair.
PROBLEM CAUSE
The PWR LED flashes The input DC voltage is low. There may be
too many modules in line. There is a voltage
drop in each module and the downstream
modules will each see a lower DC voltage.
The ERR LED flashes once The Group & Module switches are set to FF:F.
This is an invalid address. Set the Group &
Module switches to the proper address for
your system and press the Reset switch down.
The ERR LED is on
continuously
Input LEDs are stuck on An input may be stuck active. Remove the
Output LEDs for MagneticallyLatched relays come up in a
random state on initial powerup
Internal hardware or firmware error.
Call the factory for an RMA.
50-pin I/O connector. If the input LED goes
off, the problem is external to the GPIO.
If the input LED remains stuck on, there is an
internal problem in the unit. Call the factory
for an RMA.
The Magnetically-Latched relays may have
been jarred during transport.
Initialize the relays as described in section
5.2.1, Initializing the Relays above.
If this problem persists and is not due to
mechanical shock on the relays, it indicates an
internal problem. Call the factory for an
RMA.
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GPIO Hardware Reference Troubleshooting
CTI Products, Inc.
PROBLEM CAUSE
The last state of MagneticallyLatched relays is not held on
power-up or reset
The last state of MagneticallyLatched relays is held on
power-up, but a known state is
required
The PC shows the receivers
from this GPIO module as
"Offline".
Check Option Switch 4. If it is up, the GPIO
will initialize this state based upon Switch 3.
See Table 6 – Initial State on Reset.
Set Switches 3 & 4 Down and reset the unit.
Check Option Switch 4. If it is down, the
GPIO will power-up using the previous state.
If you need it to power-up in a known state
(OFF or ON), set the proper state on Switches
3 & 4 and reset the unit. See "
State on Reset
" for details.
Table 6 – Initial
Check the MCN cabling.
Also, check that the GPIO address and the
address listed for the module in the PC
database match.
In an engineered system (with routers and/or
EXB modules) the PC may have an improper
address or the module might be installed on
the wrong MCN sub-network. Check the
custom system documentation for the proper
settings and connections.
The ACT LED is off This is an indication that a PC is not
communicating with this module. See the
“Offline” problem above.
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