Comparison chart: Master modules
VT335x, VT336x, VT825x, VT855x, VT960x are the monitoring units and can not connect. For scalability please use extension units and embedded boards.
● Built-in □ None ♦ Extension possible ◊ Not extendable
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Device Management: Web, SNMP | Yes | Yes | Yes | Yes | Yes |
Sensor access: Three-level by login | Yes | Yes | Yes | Yes | Yes |
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Interface | |||||
LAN: Ethernet 10/100 Mbit | 100 Mbit | 100 Mbit | 100 Mbit | 100 Mbit | 100 Mbit |
OS: Linux | v.6.2 | v.6.2 | v.6.2 | v.6.2 | v.6.2 |
Interface: Any browser | Yes | Yes | Yes | Yes | Yes |
Memory RAM: | 128 Mb | 128 Mb | 128 Mb | 128 Mb | 128 Mb |
CPU speed: | 1 GHz | 720 MHz | 720 MHz | 720 MHz | 600 MHz |
Total CPU cores: | 2 | 2 | 2 | 2 | 2 |
Clock: Built-in clock | Yes | Yes | Yes | Yes | Yes |
Timer: Built-in watchdog | Yes | Yes | Yes | Yes | Yes |
The maximum amount of sensors: physical sensors, dry contacts, relays | 150 | 130 | 100 | 100 | 100 |
The maximum amount of elements: notifications, triggers, timers, logic, sensors, dry contacts, SNMP Get, SNMP Trap, Dial task, and other elements | 1000 | 1000 | 700 | 700 | 700 |
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Networking / Protocol support | |||||
LTE Gateway mode: Internet access (routing for internal network) (modem ordered separately) | Yes | Yes | Yes | Yes | - |
LTE Access mode: Internet access over LTE (modem ordered separately) | Yes | Yes | Yes | Yes | - |
Network protocols: DHCP; HTTP; HTTPS; SNMP v1, v2c, v3; SMTP; FTP; Syslog; TLS (v1.0, v1.1, v1.2, v1.3) | Yes | Yes | Yes | Yes | Yes |
Modbus RTU | Using extension VT485m | Using extension VT485m | Using extension VT485m | Using extension VT485m | - |
RS485 / OSDPv2: reader access control | Using extension VT485R | Using extension VT485R | Using extension VT485R | Using extension VT485R | - |
Modbus TCP / IP | Yes | Yes | Yes | Yes | Yes |
Static routing | Yes | Yes | Yes | Yes | Yes |
Dynamic DynDNS | Yes | Yes | Yes | Yes | Yes |
Access via RADIUS server | Yes | Yes | Yes | Yes | Yes |
VPN: secure data communications; secure change of connection between LTE and LAN | Yes | Yes | Yes | Yes | - |
SSL installation | Yes | Yes | Yes | Yes | Yes |
NTP server | Yes | Yes | Yes | Yes | Yes |
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Alerts / Notifications | |||||
Alert types: E-mail, FTP log, Syslog, SMTP, SNMP Traps, SMS (Modem is ordered separately), Web-to-SMS, | Yes | Yes | Yes | Yes | Yes |
A maximum number of "mail to" recipients in an E-mail notification: | 20 | 20 | 20 | 20 | 20 |
A maximum number of "SMS to" recipients in an SMS notification: also the maximum amount of phone numbers | 20 | 20 | 20 | 20 | - |
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Virtual sensors | |||||
Pings: Built-in function for server pinging. Test the reachability of a host in a network. | Yes | Yes | Yes | Yes | Yes |
IP cameras: Connect the IP MJPEG camera with a proxy via the master module. Only view, no record. | 4 | 4 | 4 | 4 | 4 |
Get SNMP: Read data from external equipment via SNMP PDU GET (v1/2c) | Yes | Yes | Yes | Yes | Yes |
User keys: Add users who have access using an RFID reader. | Yes | Yes | Yes | Yes | - |
Logic schemes: Used to specify automatic actions to events that occur in the system. | Yes | Yes | Yes | Yes | Yes |
Timers: Allows you to plan the events in the system. | Yes | Yes | Yes | Yes | Yes |
Triggers: Generate events in the system if logic is triggered. | Yes | Yes | Yes | Yes | Yes |
SNMP traps | Yes | Yes | Yes | Yes | Yes |
Virtual Math element (combine several sensor data and calculate new data) | Yes | Yes | Yes | Yes | Yes |
Logic schemes | Yes | Yes | Yes | Yes | Yes |
Modbus TCP/IP: read/write | Yes | Yes | Yes | Yes | Yes |
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Power | |||||
Energy efficiency: (EU Energy level) | Grad A | Grad A | Grad A | Grad A | Grad A |
Power input (230V AC): | Two inputs option | Two inputs option | - | - | - |
Power input (24 ÷ 48V DC): | Two inputs option | Two inputs option | Yes | Yes | - |
Power input (12V DC): | Input | Input | Two inputs | Input | Input |
Fuse: Fuse at the inlet | 1 A | 1 A | |||