125 Ohm resistance to current measurement. Convert 0-20mA loop to voltage for measuring module

Intelligent Controller with Webserver
Logical functions such as: IF-THEN-ELSE
No programming. Just pick, click and finished
Supports: I / O module, counter, timer, email
Modbus / TCP protocol to SCADA software seamless integration
IEEE 802.3af compliant Power over Ethernet ( PoE)
1 x RJ45 - 10 / 100Mbit Ethernet
16 x Digital input: Wet: 0 - + 50VDC
D / I count: 16bit, 50Hz
Power supply: PoE or 12 - 48VDC / 4.5 Watt

8 x analog inputs - Sample Rate 25 times per second
8 x input - Single ended: ± 1.28V, ± 2.56V, ± 5,12V, ± 10,24V
input 1 - 4 Can be 4-20mA
Web server for configuration and remote monitoring
Permissions: Administrator, Manager, User
Tasks
50 schedule planned
50 Conditional
20 overroubed
Email Alarms by Defined Terms
Supports Encrypted Email Servers, such as Gmail
RTC with NTP server synchronization
No software Required
Basic Script Support for Advanced Flexibility
Logging - Graph Presentation
static or DHCP IP Address Configuration
Modbus, SNMP, Remote Service, IP Filtering
On-site update
Supply voltage: PoE or 9 - 28VDC

Web based controller with I/O, 1-wire bus
4 x digital inputs (Common GND)
1-wire bus, max. 16 sensors (temp / moisture etc.)
Permissions: Administrator, Manager, User
Tasks
50 Scheduled
50 Conditional
16 Automatic Restart
20 Over Rule Terms
E-mail Alarms by defined conditions
Supports encrypted e- Mail servers such as Gmail
RTC with NTP server synchronization
No software Required
Basic Script Support for Advanced Flexibility
Configurable Logging
Graph (Logged Data)
HTTPS / TLS encrypted
Static or DHCP IP Address Configuration
Modbus, SNMP, Remote Service, IP Filtering
On-site update
Supply voltage: PoE or 9 - 28VDC

RS485 / RS422 / RS232 Master Gateway to Meter-Bus Slaves (sensors, actuators, etc.)
Supports up to 100 Meter-Bus meters (slaves)
MODBUS RTU function codes: 0x03 and 0x04 readdata
Selection of serial port, only one can be selected to be active
Baud rate x 2 (M-bus and COM port can be selected at different speeds)
Baud rate M-bUS: 300-2400 bps
Baud rate COM port: 300-115200 bps
Transparent data - no protocol conversion
M-BUS connection, 2-wire, max. 350meter.
Greater distance up to 5km requires a number M-bus repeaters
Supply voltage: 10 - 30VDC, 1.8 - 12Watt
Dimensions: 122 x 72 x 33 mm
Removable terminal blocks
Operating temperature: -25 - + 60°C
DIN mount 
Robust plastic case