X100 Two Reader Expansion Module (ADC-AC-X100) - Installation Guide
Notice: Installation and maintenance servicing for this device should only be performed by qualified personnel.
Have you taken the Smarter Access Control training course yet?
Note: This article specifically covers the installation of the X100 Two Reader Expansion Module (ADC-AC-X100). For instructions on how to set up a broader access system, see HID Aero Series Smarter Access Control - Quick Start Guide.
This course is recommended for every installer and is required for three reps per Service Provider before Access Control hardware can be added to an Alarm.com account. The course should be completed at least 48 hours before the first customer installation begins.
Already familiar with Smarter Access Control? Great! You can take the Fast Track training assessment to complete the training requirement. All training can be found at https://academy.alarm.com/series/access-control or in How can permission be granted to create Access Control accounts and order hardware?.
X100 Two Reader Expansion Module
The ADC-AC-X100 expansion module provides a solution for controlling two additional Wiegand or OSDP readers and door hardware. The ADC-AC-X100 provides LED control and buzzer control.
Four Form-C relay outputs may be used to control locking hardware. Four inputs are provided that may be used for monitoring the door contact or request-to-exit devices. Input circuits can be configured as unsupervised or supervised using end of line resistors.
Communication to the X1100 Door Controller is accomplished using a 2-wire RS-485 interface. The ADC-AC-X100 requires 12 to 24 VDC for power. See the following figure for component location.
Wiring
For more information about wiring an Aero expansion module, see Wire and configure an Aero expansion module to an X1100 Door Controller (ADC-AC-X1100).
Connections
Reader 1
| Terminal | Label | Function |
|---|---|---|
| TB1-1 | VOUT | Reader 1 Power |
| TB1-2 | GND | Reader 1 Ground |
| TB1-3 | D0 | Reader 1 Data 0/DAT |
| TB1-4 | D1 | Reader 1 Data 1/CLK |
| TB1-5 | GND | Reader 1 Ground |
| TB1-6 | GRN | Reader 1 Green LED |
| TB1-7 | RED | Reader 1 Red LED |
| TB1-8 | BZR | Reader 1 Beeper |
| TB1-9 | N/C | No Connection |
| TB1-10 | GND | Reader 1 Ground |
Input 1
| Terminal | Label | Function |
|---|---|---|
| TB2-1 | IN+ | Input 1 |
| TB2-2 | IN- |
Input 2
| Terminal | Label | Function |
|---|---|---|
| TB2-3 | IN+ | Input 2 |
| TB2-4 | IN- |
Relay 1
| Terminal | Label | Function |
|---|---|---|
| TB3-1 | NO | Relay 1 Normally Open Contact |
| TB3-2 | C | Relay 1 Common Contact |
| TB3-3 | NC | Relay 1 Normally Closed Contact |
Relay 2
| Terminal | Label | Function |
|---|---|---|
| TB3-4 | NO | Relay 2 Normally Open Contact |
| TB3-5 | C | Relay 2 Common Contact |
| TB3-6 | NC | Relay 2 Normally Closed Contact |
Reader 2
| Terminal | Label | Function |
|---|---|---|
| TB4-1 | VOUT | Reader 2 Power |
| TB4-2 | GND | Reader 2 Ground |
| TB4-3 | D0 | Reader 2 Data 0/DAT |
| TB4-4 | D1 | Reader 2 Data 1/CLK |
| TB4-5 | GND | Reader 2 Ground |
| TB4-6 | GRN | Reader 2 Green LED |
| TB4-7 | RED | Reader 2 Red LED |
| TB4-8 | BZR | Reader 2 Beeper |
| TB4-9 | N/C | No Connection |
| TB4-10 | GND | Reader 2 Ground |
Input 3
| Terminal | Label | Function |
|---|---|---|
| TB5-1 | IN+ | Input 3 |
| TB5-2 | IN- |
Input 4
| Terminal | Label | Function |
|---|---|---|
| TB5-3 | IN+ | Input 4 |
| TB5-4 | IN- |
Relay 3
| Terminal | Label | Function |
|---|---|---|
| TB6-1 | NO | Relay 3 Normally Open Contact |
| TB6-2 | C | Relay 3 Common Contact |
| TB6-3 | NC | Relay 3 Normally Closed Contact |
Relay 4
| Terminal | Label | Function |
|---|---|---|
| TB6-4 | NO | Relay 4 Normally Open Contact |
| TB6-5 | C | Relay 4 Common Contact |
| TB6-6 | NC | Relay 4 Normally Closed Contact |
TMP
| Terminal | Label | Function |
|---|---|---|
| TB7-1 | TMP+ | Tamper |
| TB7-2 | TMP- |
AC
| Terminal | Label | Function |
|---|---|---|
| TB7-3 | AC+ | AC Fail |
| TB7-4 | AC- |
BT
| Terminal | Label | Function |
|---|---|---|
| TB7-5 | BT+ | Battery Fail |
| TB7-6 | BT- |
12-24 VDC
| Terminal | Label | Function |
|---|---|---|
| TB7-7 | GND | Input Power Ground |
| TB7-8 | VIN | Input Power (from local power) |
Expansion IN
| Terminal | Label | Function |
|---|---|---|
| TB9-1 | TR+ | IO Module Port 1 |
| TB9-2 | TR- | |
| TB9-3 | GND |
Expansion OUT
| Terminal | Label | Function |
|---|---|---|
| TB9-4 | TR+ | IO Module Port 2 |
| TB9-5 | TR- | |
| TB9-6 | GND |
12-24 VDC
| Terminal | Label | Function |
|---|---|---|
| TB9-7 | GND | Pass-through |
| TB9-8 | VIN |
Status LEDs
| LED Label | Represents | Initialization | Normal Operation |
|---|---|---|---|
| A | ONLINE | ON then OFF |
Heartbeat and Online status Offline = 1 sec rate, 20% ON Online = Blinks ON/OFF for 0.7s, |
| B | COMM | ON then OFF | Indicates communication activity on expansion module communication port |
| BAT | BATT FAIL | ON then OFF |
OFF = Inactive ON = Active Flash = Fault* |
| AC | AC FAIL | ON then OFF |
OFF = Inactive ON = Active Flash = Fault* |
| TMP | TAMPER | ON then OFF |
OFF = Inactive ON = Active Flash = Fault* |
| IN1 | IN 1 | ON then OFF |
OFF = Inactive ON = Active Flash = Fault* |
| IN2 | IN 2 | ON then OFF |
OFF = Inactive ON = Active Flash = Fault* |
| IN3 | IN 3 | ON then OFF |
OFF = Inactive ON = Active Flash = Fault* |
| IN4 | IN 4 | ON then OFF |
OFF = Inactive ON = Active Flash = Fault* |
| RD1 | READER 1 | ON for 1 second | Flashes when data is received, either input |
| RD2 | READER 2 | ON for 1 second | Flashes when data is received, either input |
| D12 | RELAY 1 | OFF | ON = Energized |
| D14 | RELAY 2 | OFF | ON = Energized |
| D13 | RELAY 3 | OFF | ON = Energized |
| D15 | RELAY 4 | OFF | ON = Energized |
*Note: If this input is not defined, every 3 seconds the LED is pulsed to its opposite state for 0.1 seconds. Otherwise, the LED is OFF.
Communication wiring
The ADC-AC-X100 communicates to an X1100 Door Controller using a 2-wire RS-485 interface. The ADC-AC-X100 allows for multi-drop communication on a bus of up to 4,000 feet (1219 m). Use twisted pair (minimum 24 AWG) with drain wire and shield for communication. If the ADC-AC-X100 is the last device on the communication bus, jumper J1 must be set to IN. For more information, see Which wire gauge should be used with Access Control hardware?.
Note: Both Port 1 and Port 2 terminals for the Expansion Module ports are the same port and are internally connected.
RS-485 Wiring using the ADC-AC-X1100 Door Controller
For ease of install, daisy chain expansion modules together. Wire each expansion module to the next module instead of wiring directly back to the controller.
Install jumpers according to the selected configuration.
- If there are additional downstream expansion modules, set jumper to "OUT"
- If this is the last device on the communication bus, set jumper to "IN"
Reader Wiring
Each reader port supports a single reader. Wiegand signaling requires a 4-conductor cable
(22 AWG, shielded) with additional optional conductors for LED and beeper control. Readers that require different voltage or have high current requirements must be powered separately.
Typical Wiegand reader
Typical OSDP reader
Relay wiring
Four Form-C contact relays are provided for controlling door lock mechanisms. Each relay has a Common pole (C), a Normally Open pole (NO), and a Normally Closed pole (NC). When momentarily delivering power to unlock the locking hardware (fail secure), the Normally Open and Common poles are used. When momentarily removing power to unlock the locking hardware (fail safe), the Normally Closed and Common poles are used. Check with local building codes for proper egress door installation. 18 AWG minimum recommended for electric locking hardware.
Note: Load switching can cause abnormal contact wear and premature contact failure. Switching of inductive loads (strike) also causes EMI (electromagnetic interference), which may interfere with normal operation of other equipment.
To minimize premature contact failure and to increase system reliability, a contact protection circuit may be used. The following circuit is recommended. Locate the protection circuit as close to the load as possible (within 12 inches [30 cm]), as the effectiveness of the circuit will decrease if it is located further away.
Typical DC Door Strike wiring
An electrified door strike replaces a traditional door strike for an Access Control system. Door strikes are predominantly Fail-Secure devices, meaning the door remains secure in the event power is removed. This hardware should be wired as Normally Open using an NO terminal as indicated on Fail-Secure wiring diagram above. This is because entry through the door is only granted when the controller is signaled to close the circuit which energizes the strike and allows entry.
Door lock mechanisms can generate EMF feedback to the relay circuit that can cause damage and premature failure of the relay. For this reason, it is recommended that either a diode or MOV (metal oxide varistor) be used to protect the relay. The wire should be of sufficient gauge to avoid voltage loss.
Diode selection
Typical Maglock wiring
An electromagnetic lock or maglock is a is an electromagnet which mounts on a door frame, with a steel armature mounted on the door. Maglocks are Fail-Safe only devices. This means that when power is removed or in the event of a fire alarm input (FAI) signal the maglock unlocks the door as required by code. This hardware should be wired as Normally Closed using an NC terminal as indicated on the Fail-Safe diagram above. This is because constant flowing power is required to keep the maglock energized to secure the door.
MOV selection:
Input wiring
There are four inputs that can be used to monitor door position or request to exit devices. Input circuits can be configured as Unsupervised (2 states); reporting as open or closed contact, or Supervised (6 states); reporting as open or closed contact, open circuit, shorted circuit, grounded circuit*, or foreign voltage*.
A supervised input circuit requires adding two resistors with value of 1k ohm, 1% to the circuit to facilitate proper reporting and should be located as close to the sensor as possible.
The input circuit wiring configurations shown are supported but may not be typical.
22 AWG minimum required for input wiring. 18 AWG recommended if wiring request-to-exit devices in series with locking hardware.
Note: Either the top or bottom 12-24 V terminals can be used to power the board.
Specifications
The Interface is for use in low voltage, Class 2 circuits only. The installation of this device must comply with all local fire and electrical codes.
| Input power |
12 to 24 VDC +/- 10%, 1.5 A max input current 340 mA max input current excluding readers |
|---|---|
| Output power | 12 VDC +/- 10%, 500 mA per reader |
| Communication | 2-Wire RS-485 |
| Inputs |
Two dedicated reader inputs Four programmable inputs One dedicated input for each: Tamper, AC Fail, Batt Fail |
| Outputs |
Four relay outputs 5 A @ 30 VDC resistive (NO), 3 A @ 30 VDC resistive (NC) Two-wire LED control Single-wire buzzer output |
| Certifications |
UL 294 recognized CE compliant FCC Class A ICES-003 |
| Dimensions (L X W X H ) | 6.46 × 5.51 × 1.02" (164 × 140 × 26 mm) |
| Temperature |
32°F - 158°F (0°C - 70°C) operational -67°F - 185°F (-55°C - 85°C) storage |
| Operating humidity | 5-85% (non-condensing) RH |
Warranty
Alarm.com warrants the product is free from defects in material and workmanship under normal use and service with proper maintenance for one year from the date of factory shipment. Alarm.com assumes no responsibility for products damaged by improper handling or installation. This warranty is limited to the repair or replacement of the defective unit.
There are no expressed warranties other than set forth herein. Alarm.com does not make, nor intends, nor does it authorize any agent or representative to make any other warranties, or implied warranties, and expressly excludes and disclaims all implied warranties of merchantability or fitness for a particular purpose.
Returns must be accompanied by a Return Material Authorization (RMA) number obtained from customer service, and prepaid postage and insurance.
Liability
The Interface should only be used to control exits from areas where an alternative method for exit is available. This product is not intended for, nor is rated for operation in life-critical control applications. Alarm.com is not liable under any circumstances for loss or damage caused by or partially caused by the misapplication or malfunction of the product. Alarm.com's liability does not extend beyond the purchase price of the product.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.