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Wireless 4-channel PhotoMOS Relay Output and 4-channel Open Collector Output Module
Model: ZT-2042
  • ISM 2.4 GHz Operating Frequency
  • Fully Compliant with 2.4G/ ZigBee Specifications
  • Wireless Transmission Range up to 700 m (Default)
  • Adjustable RF Transmission Output Power
  • External DIP and Rotary Switches for easy Configuration
  • GUI Configuration Software (Windows Version)
  • Supports AES-128 Encryption for the Wireless Communication (Passive)
  • Supports ZigBee Repeater Function
  • 4 PhotoMOS Relay Output Channels and 4 Open Collector Digital Output Channels
  • Short Circuit Protection
  • Surge and ESD Protection
  • Configurable Power-on Value and Safe Value Settings
  • DIN-Rail Mounting
The ZT-2042 offers 4 PhotoMOS relay output channels and 4 sink-type digital output channels with short circuit protection. Each channel features photo couple isolation. There are options for configuring power-on and safe digital output values. The ZT-2042 has 8 LED indicators to display the DO channel status. 4 kV ESD protection and 3000 VDC intra-module isolation are the standard. Users can easily configure the module address, protocol, checksum, ZB-PID and ZB-channel settings using a combination of rotary and DIP switches.
Building Automation, Factory Automation, Machine Automation, Remote Maintenance, Remote Diagnosis, Testing Equipment.
Relay Output
Output Channels 4
Output Types PhotoMOS Relay, Form A
Load Voltage 60 VDC/VAC
Max. Load Current 60 V/1.0 A (Operating Temperature: -25 ~ +40°C)
60 V/0.8 A (Operating Temperature: +40 ~ +60°C)
60 V/0.7 A (Operating Temperature: +60 ~ +75°C)
Power-on Time 5.0 ms
Power-off Time 0.5 ms
Power-on Value Yes
Safe Value Yes
Digital Output
Output Channels 4 (Sink)
Output Types Isolated Open Collector
Max. Load Current 700 mA/channel
Load Voltage +5 VDC ~ +50 VDC
Power-off Time 0.5 ms
External Power Reversed
Protection and Short
Circuit Protection
Current Limited Protection 1.1 A
Power-on Value Yes
Safe Value Yes
Communication Interface
Wireless Standards ZigBee 2007 Pro
Transmission Power 11 dBm (FCC Certificated) (Max. 19 dBm)
2.4 GHz Antenna 5 dBi Omni directional
Transmission Range (LoS) 700 m (Typical)
Certification FCC/FCC ID, CE (RED excluded)
Max. Slaves in a ZigBee Network 255
Protocols Supports DCON and Modbus RTU Protocols
Dual Watchdog Yes, Module (1.6 Seconds), Communication (Programmable)
LED Indicators
Power 1 LED, Red
ZigBee Communication 1 LED, Green
Digital Output 8 LEDs, Red
Intra-module Isolated,
3000 VDC
EMS Protection
ESD (IEC 61000-4-2) ±4 kV Contact for Power Line, Communication Line and each Channel,
±8 kV Air for Random Point
EFT (IEC 61000-4-4) ±4 kV for Power
Surge ( IEC 61000-4-5) ±3 kV for Power
Input Voltage Range +10 VDC ~ +30 VDC
Power Consumption 1.32 W Max.
Flammability Fire Retardant Materials (UL 94V-0 Level)
Dimensions (L x W x H) 87 mm x 33 mm x 110 mm
Installation DIN-Rail
Operating Temperature -25 ~ +75°C
Storage Temperature -30 ~ +80°C
Relative Humidity 10 ~ 90% RH, Non-condensing
ZT-2042 CR Wireless 4-channel PhotoMOS Relay Output and 4-channel Open Collector Output Module (ZigBee Router) (RoHS)
Important Note: ZigBee Data Acquisition modules need a ZigBee host converter to coordinate the data transmission route. Please remember to order a ZT-2550, ZT-2570, and ZT-USBC ZigBee host converter when you purchase ZigBee Data Acquisition products.
MDR-20-24 24 VDC/1.0 A, 24 W Power Supply with DIN-Rail Mounting
ZT-2510 CR ZigBee Repeater (Slave, ZigBee Router) (RoHS)
ZT-2550 CR RS-485/RS-232 to ZigBee Converter (Host, ZigBee Coordinator) (RoHS)
ZT-2570 CR Ethernet/RS-485/RS-232 to ZigBee Converter (Host, ZigBee Coordinator) (RoHS)
External Antenna 2.4GHz External Antenna, RP-SMA Male (Plug)
Extension Cable 3S00x-1, RG58A/U x Meter Long RP-SMA (male) to RP-SMA (female)

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