Manufacturer product photo · industrial environment monitoring host, DC48V compact version (EMS-200-150)

EMS-200-150

Name: Uniview EMS-200-150
Brand: Uniview

IoT Gateway · Environment Monitoring Host

Compact Industrial IoT Gateway · 2×RS-485 + 6×DI Environment Monitoring Host · DC48V

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Overview

The EMS-200-150 is a compact industrial IoT gateway and environment monitoring host that connects RS-485 serial devices and digital-input sensors to a TCP/IP Ethernet network through 2 × RS-485 ports and 6 × DI channels. Compared with the full-featured EMS-200, this version omits the RS-232 port and DO relay outputs, keeping the same 32-bit processor, Modbus TCP/RTU/ASCII, SNMP MIB-II and Syslog support inside a smaller 180×44×96.5mm 1U rack-mount chassis. Powered by DC48V (36–56VDC input, 230mA@12V), its I/O is limited to 6 × DI digital inputs with no relay/DO output, making it suited to status-monitoring points rather than remote switching control.

Is This the Right Fit?

Six real deployment scenarios matched to this model's actual datasheet specifications.

Server / Equipment Room Environment Monitoring6 × DI digital inputs plus 2 × RS-485 ports let a single 1U EMS-200-150 collect door/water/smoke alarm contacts and poll Modbus RTU sensors in the same equipment room, feeding readings to a Modbus TCP monitoring platform over Ethernet.

Unheated / Extreme-Temperature Cabinet SitesAn optional wide-temperature build extends operation from the standard -10~60°C to -40~+75°C, suiting unheated equipment rooms and outdoor cabinets exposed to seasonal extremes.

Pure Status Monitoring Without Control OutputsWith only 6 × DI digital inputs and no DO relay outputs, the EMS-200-150 is built for points that only need state acquisition (open/closed, alarm contacts) rather than remote on/off switching.

Space-Constrained Cabinet InstallationAt 180×44×96.5mm, the EMS-200-150 is noticeably smaller than the full-featured EMS-200 (240×44×110mm), freeing rack depth and width in tight cabinets.

Centralized Log Server IntegrationBuilt-in support for the Syslog standard logging protocol (alongside Modbus/SNMP/HTTP) — a capability this compact model adds beyond the base EMS-200 — lets it forward events directly to an existing centralized syslog server.

Two Independent RS-485 Monitoring LoopsThe 2 × RS-485 ports (terminal block, Data+/Data-) can each address a separate Modbus RTU device chain, letting one host poll two independent groups of serial sensors or meters at speeds from 110 to 460,800bps.

Not a good fit if:

No RS-232 port — only 2 × RS-485 ports are available, so RS-232-only serial devices cannot be connected directly.
No DO relay outputs — only 6 × DI digital inputs are provided, so remote switching/control of external circuits is not supported; monitoring only.
IP40 enclosure only — needs a rack cabinet or additional protection for direct outdoor rain/dust exposure.

Key Features

32-bit high-performance processor for stable, reliable operation
Modbus TCP and Modbus RTU/ASCII protocol support
Local real-time clock with Modbus alarm-record storage
Windows Real COM driver plus Unix/Linux TTY driver
Generic Socket modes — TCP Server/Client and UDP
Serial-tunneling mode links two peer serial devices over the network without adding a PC
10/100M auto-negotiating Ethernet port, manual setting supported
All serial and I/O signals carry built-in 15KV ESD protection
SNMP MIB-II support for standard network management
Syslog standard logging protocol support
Web / Telnet / Console management for easy configuration and maintenance

Specifications

LAN

Ethernet	10/100 Mbps, RJ45
Protection	Built-in 1.5KV electromagnetic protection

Serial Interfaces

Quantity	2 × RS-485
Port Type	Terminal block
RS-485 Signal	Data+, Data-
Port Protection	All signals 15KV ESD protection
Parity	None, Even, Odd, Mark, Space
Data Bits	5, 6, 7, 8, 9
Stop Bits	1, 1.5, 2
Flow Control	Xon/Xoff
Speed	110 ~ 460,800 bps

I/O Interface

Quantity	6 × DI
Port Protection	All I/O ports photoelectric/electromagnetic isolation protection

Power Output

DC Power Output

12V/30W high-power DC output

Software Features

Protocol	Modbus, ICMP, IP, TCP, UDP, DHCP, Telnet, SNMP, HTTP, Syslog
Tool	Windows 2000/XP management software supported
Driver Support	Windows 2000/XP Real COM driver, Unix/Linux TTY driver
Configuration	Web browser, Telnet, Console

Input Power Requirement

48V Power Input	Input range 36–56V DC
Power Consumption	230mA @ 12V

Environment

Standard Temp	-10 ~ +60°C
Wide Temp	-40 ~ +75°C
Storage Temp	-40 ~ +85°C
Humidity	5–95% non-condensing

Physical

Housing	IP40 metal enclosure
Mounting	Standard rack-mount
Dimensions	180 (W) × 44 (H) × 96.5 (D) mm

Warranty & Reliability

MTBF	320,000 hours
Warranty	5 years

Models & Ordering

Model	Product Description	Price
ZJEMS-200-150-DCH	19-inch 1U rack-mount environment monitoring host — 2×RS-485, 6×DI, supports Modbus RTU, Modbus TCP, virtual serial port and TCP Socket modes; SNMP supported, IP40, DC48V powered.	✆ WhatsApp

This page covers the model requested as EMS-200-150. The datasheet order code is ZJEMS-200-150-DCH (chassis silkscreen: ZJEMS-150), denoting the DC48V-powered 2×RS-485 + 6×DI environment monitoring host. No other port or power variant is listed in this datasheet.