Johnson Controls IOM3721 Installation Instructions Manual Download

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The performance specifications are nominal and conform to acceptable industry standard. For application at conditions
beyond these specifications, consult the local Johnson Controls

office. Johnson Controls, Inc. shall not be liable

for damages resulting from misapplication or misuse of its products.

Building Efficiency

507 E. Michigan Street, Milwaukee, WI 53202

Metasys

and Johnson Controls

are registered trademarks of Johnson Controls, Inc.

All other marks herein are the marks of their respective owners.

2013 Johnson Controls, Inc.

www.johnsoncontrols.com

Published in U.S.A.

IOM3721 Input/Output Module Installation Instructions

Summary of Contents for IOM3721

Page 1: ...ing Equipment Regulations Cet appareil numérique de la Classe A respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada United States 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 this equipment i...

Page 2: ...sired space so that the controller mounts in the horizontal position shown in Figure 1 2 Pull the two bottom mounting clips outward from the controller to the extended position Figure 2 3 Hang the controller on the DIN rail by the hooks at the top of the DIN rail channel on the back of the controller Figure 2 and position the controller snugly against the DIN rail 4 Push the bottom mounting clips ...

Page 3: ...b See Removing the Controller Cover 3 Sensor Actuator SA Bus or Field Controller FC Bus Terminal Block See SA FC Bus Terminal Block 4 End of Line EOL Termination Switch See Setting the End of Line EOL Switch 5 Binary Input BI Terminal Block Dry Contact Maintained or Pulse Counter Accumulator Mode See Table 2 6 LED Status Indicators See Table 6 7 Sensor Actuator SA Bus or Field Controller FC Bus Po...

Page 4: ...T 12011034 IOM Terminal Blocks and Bus Ports See Figure 3 for terminal block and bus port locations on the controller Observe the following guidelines when wiring a controller Input and Output Terminal Blocks On most field controller models all of the input terminal blocks are mounted on the bottom of the controller and the output terminal blocks are mounted on the top of the controller See Table ...

Page 5: ... about the Supply Terminal Block Figure 7 24 VAC Supply Power Terminal Block Wiring Note The supply power wire colors may be different on transformers from other manufacturers Refer to the transformer manufacturer s instructions and the project installation drawings for wiring details Important Connect 24 VAC supply power to the field controller and all other network devices so that transformer ph...

Page 6: ...Inputs outputs with cables less than 30 m 100 ft typically do not require an offset in the software setup Cable runs over 30 m 100 ft may require an offset in the input output software setup Table 2 IOM3721 Terminal Blocks Functions Ratings Requirements and Cables Determine Wire Size and Maximum Cable Length 1 Function Ratings Requirements Terminal Label Terminal Block Label See Guideline A in Tab...

Page 7: ...ded copper 100 mV maximum voltage drop Depending on cable and the connected input or output device you may have to define an offset in the setup software for the input or output point 229 m 750 ft twisted wire 1 5 mm 2 18 AWG stranded copper B 137 m 450 ft twisted wire 0 8 mm 20 AWG stranded copper 91 m 300 ft twisted wire 0 6 mm 22 AWG stranded copper 61 m 200 ft twisted wire N A 24 AWG stranded ...

Page 8: ...irs shielded cable recommended Note On the SA Bus the and wire are one twisted pair and the COM and SA PWR are the second twisted pair of wires FC or SA Bus Communications FCBUS 2 or SABUS 2 Signal Reference Common for FC or SA Bus communications COM SHLD on FC Bus Isolated terminal optional shield drain connection SAP WR on SA Bus 15 VDC power lead connection Note The SA PWR terminal on an IOM co...

Page 9: ...l equals the intended address For example if the intended device address is 21 set switch 16 to ON first then set switch 4 ON followed by switch 1 16 4 1 21 3 Set switch 128 to ON only for controllers on a ZFR1800 Series Wireless Field Bus application For all hard wired SA and FC bus applications ensure that switch 128 is set to Off Note Do not connect a field controller with switch 128 set to ON ...

Page 10: ...ower two latches 3 Replace the cover by placing it squarely over the base and then gently and evenly push the cover on to the latches until they snap into the latched position Setting the End of Line EOL Switch Each field controller has an EOL switch which when set to ON sets the field controller as a terminating device on the bus See Figure 3 for the EOL switch location The default EOL switch pos...

Page 11: ... Information Description Product Code Number Wireless Commissioning Converter with Bluetooth Technology MS BTCVT 1 Wireless Field Bus Router for wireless Field Controller applications MS ZFR1811 0 Transformer 120 VAC Primary to 24 VAC secondary 20 VA Wall Plug TP 2420 Transformer 120 208 240 VAC Primary to 24 VAC Secondary 40 VA Foot Mount 8 in Primary Leads and Secondary Screw Terminals Class 2 N...

Page 12: ...Supply Power 4 Wire and 3 Wire Pluggable Screw Terminal Blocks SA FC Bus Port RJ 12 6 Pin Modular Jacks Terminations Horizontal on single 35 mm DIN rail mount preferred or screw mount on flat surface with three integral mounting clips on controller Mounting Enclosure material ABS and polycarbonate UL94 5VB Self extinguishing Plenum Rated Protection Class IP20 IEC529 Housing 150 x 164 x 53 mm 5 7 8...

Page 13: ...l not be liable for damages resulting from misapplication or misuse of its products Building Efficiency 507 E Michigan Street Milwaukee WI 53202 Metasys and Johnson Controls are registered trademarks of Johnson Controls Inc All other marks herein are the marks of their respective owners 2013 Johnson Controls Inc www johnsoncontrols com Published in U S A 13 IOM3721 Input Output Module Installation...

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