Appendix H: Specifications
WebRelay-10 Users Manual
Accessory Connector (WebRelay-10 Plus™ only)
5-position, removable terminal strip, 3.81 mm terminal spacing
(Replacement part number, Phoenix Contact 1803604)
Inputs (WebRelay-10 Plus™ only)
Number of Inputs: 2
Input Type: Discrete Inputs (connect to dry contacts)
Maximum Input Voltage: 5 VDC
Minimum Hold Time (high or low): 20ms
Counters (WebRelay-10 Plus™ only)
Number of counters: 2
Counter Triggers: Input transitions - low to high, high to low, or both
Maximum Count: 4000000000
Maximum Count Frequency: 25Hz
Temperature Sensors (WebRelay-10 Plus™ only)
“1-Wire” Digital Thermometer (Dallas Semiconductor part DS18B20)
Temperature Range: -20°C to 40°C ( -4°F to 104°F)
Accuracy: 0.5 from -10°C to +85°C
Maximum number of sensors: 8
Maximum Distance from WebRelay-10 to sensors: Combined cable length of 600 ft using Cat 5e
Additional Sensors (WebRelay-10 Plus™ only)
-
Temperature/Humidity Sensor (X-DTHS-WM)
-
Humidity Sensor: 0-100% RH
-
Accuracy: ±1.8%
Network
10 Base-T or 100 Base-T Ethernet IPv4
Setup: Static IP address assignment or DHCP, HTTP port selectable
Network Connector: 8-pin RJ-45 socket
13 LED Indicators
Power On
Relay Coils Energized (1-10)
Network Linked
Network Activity
Real-Time Clock (WebRelay-10 Plus™ only)
Manual or NTP (Network Time Protocol) setup
NTP Sync Period: Once, Daily, Weekly, On Power-up
Automatic Daylight Savings Adjustment
Battery (capacitor) Power Backup
Capacitor Power Backup (WebRelay-10 Plus™ only)
Backup Functions: Retain Real-Time Clock, External Variables, Relay State
Backup Duration: 3 days minimum
page 102
Xytronix Research & Design, Inc.
