Zen RTU/U 16 Channel Remote Terminal Unit
Zen RTU/U 16 Channel Remote Terminal Unit
Isolated Universal Input. Enables sophisticated monitoring and control of up to 16 input signals from a variety of sources.
Additional information
| Weight | 1.911 kg |
|---|---|
| Dimensions | 15.3 × 27.3 × 6.7 cm |
| Power Supply & Port 1 Configuration (Please Select) | Med Voltage, RS232/485, Med Voltage, Ethernet Modbus, RS232/485, High Voltage, RS232/485, High Voltage, Ethernet Modbus, RS232/485 |
What it does
Enables sophisticated monitoring and control of up to 16 input signals from a variety of sources
Get 16 signals into your PLC or SCADA system
If you need to collate multiple signal input types and route them to your PLC or SCADA system, choose the Zen RTU. This exceptionally flexible and powerful monitoring and control station is the last word in RTU technology.
Enjoy the flexibility of universal inputs
If you need to collate multiple signal input types and route them to your PLC or SCADA system, choose the Zen RTU. This exceptionally flexible and powerful monitoring and control station is the last word in RTU technology.
Cleans up noise
Each of the Zen RTU channels is isolated so there’s zero cross-talk.
Set up in just minutes
No calibration and simple software set up with WorkBench.
Try Before You Buy!
Use the product simulator inside our free WorkBench software to demo how this instrument works.
Bridge Key Required!
In addition to this software a Bridge Key is required for the configuration of this product.
You must order one unless you already have one from a previous product purchase.
Files for connecting to Rockwell Automation hardware
057F000C00C90100 [EDS file], 05-Jul-2016 | (74 KB)
Zen Mapping EDSAOP [L5X file], 05-Jul-2016 | (91 KB)
Zen Mapping Generic [L5X File], 05-Jul-2016 | (91 KB)
Specifications
Input
Number of input channels: 16
Input configuration: Isolated universal inputs: Current, Voltage, RTD, Thermocouple, Potentiometer, Digital Pulse, Current Sensor or Attenuator input
See below for input specifications for each input type
Input isolation: 2,500V AC for 1 minute between all input channels
Isolation test voltage: 1000V DC for 1min between analog input channels, and between analog inputs and digital outputs
Resolution: 16 bits
Accurate to: <±0.1% fso (unless otherwise stated for specific input
Power
Power supply: HV= 85–265V AC / 95–370V DC, OR MV= 24–48V AC / 17–72V DC
Supply frequency: 50/60Hz, 10VA
Mains isolation: 250V AC
Isolation test voltage: Mains isolation test voltage 3000V AC 50Hz for 1min to all inputs and outputs
General Specifications
Noise immunity: (CMRR) 160dB tested at 300V RMS 50Hz
RF immunity: <±1% effect fso
Permanent memory: (E²ROM) 100,000 writes per input parameter
Linearity & repeatability: <±0.1%
Channel Separation: 125db minimum
Thermocouple Input
Thermocouple types: B= 32 to 3272°F (0 to 1800°C) E= -328 to 1292°F (-200 to 700°C) J= -328 to 1832°F (-200 to 1000°C) K= -328 to 2300°F (-200 to 1260°C) N= -328 to 2372°F (-200 to 1300°C) R= 32 to 3092°F (0 to 1700°C) S= 32 to 3092°F (0 to 1700°C) T= -328 to 752°F (-200 to 400°C)
Input impedance: >500KΩ min
T/C lead resistance: 100Ω max
Cold junction compensation: 14 to 140°F (-10 to 60°C)
CJC error: <0.02°c typical for all
Accuracy: 0.1% of FSO±1°C typical
Sensor open: Upscale
RTD Input
RTD input type: Pt100 3 wire RTD DIN 43760: 1980 Pt1000 3 wire RTD standard
Range: -328 to 572°F (-200 to 300°C), 0.02°F (0.01°C) resolution,-328 to 1472°F (-200 to 800°C), 0.1°F (0.1°C) resolution
Lead wire resistance: 10Ω/lead max recommended
Sensor current: 0.6mA continuous
Sensor fail: Upscale
Accuracy: -328–572°F (-200–300°C) = ±0.1°C -328–1472°F (-200–800°C) = ±0.3°C
Ambient drift: 0.003°C/C typical
Current Input
Range: 0–20mA, 4–20mA
Input impedance: 45Ω
Max over-range: Protected by PTC to 24V DC
Linearity & repeatability: 0.1% FSO max
Accuracy: 0.1% FSO max
Channel separation: 0.001% max
Ambient drift: 0.003%/°C FSO typical
RF immunity: 1% effect FSO typical
Fail safe micro switch: Prevents external loops from being interrupted in the event of a power loss to the Zen
Voltage Input
Ranges: ±200mV, –200mV to 1V, 0–10V, 0–18V
Input impedance: >500KΩ on all ranges
Maximum over voltage: 24V DC
Linearity & repeatability: 0.1% FSO max
Accuracy: 0.1% FSO max
Channel separation: 0.001% max
Ambient drift: 0.003%/°C FSO typical
RF immunity: 1% effect FSO typical
Digital Pulse Input
Frequency range: 0–2500.0Hz
Fast counter range: 0–2500.0Hz
Sensors: Open collector (NPN, PNP), TTL or Clean Contact
Frequency resolution: 0.1Hz
Frequency resolution: 0.1Hz
Debounce counter range: 0–50Hz max
Counter register output: 32 bit
Accuracy: ±0.5%
AC Current Sensor Input
Sensor type: Current transformer ACCS-420, ACCS-420-L and ACCS-010
Amperage range: Header selectable ACCS-420/010= 100/150/200A, ACCS-420-L= 10/20/50A
Overload: (continuous) ACCS-420/010= 175/300/400A respectively, ACCS-420-L = 80/120/200A respectively
Output: (Representing 0–100% of full scale input range) ACCS-420(-L)= 4–20mA DC loop powered, ACCS-010= 0–10V DC
Power supply: ACCS-420(-L)= Loop powered, 15–36V DC ACCS-010= Self powered
Accuracy: 1% of full scale
Response time: 250ms (10–90%)
Isolation voltage: 2000V
Frequency: 50–60Hz
Features
Expansion interface: Add 16 relay outputs and 16 digital control inputs with a ZEN-RIO Relay/IO Expansion
HMI interface: For FM1602 Remote Display
Potentiometer Input
Potentiometer input: 3-wire
Excitation voltage: Variable
Potentiometer resistance: <2kω low pot;>2kΩ high pot
Field programmable zero: 0–90% of span
Field programmable span: 0.1–100%
Linearity & repeatability: <±0.05% fso
Response time: 100msec
Ambient drift: <50ppm
Relay Output
Number of relay outputs: 2
LED indication: of each output
Isolation: Isolated
Contact rating: 5A 30V DC
Analog Output (Retransmission)
Number of analog outputs: 2
Analog output type: Isolated 4-20mA analog outputs
Isolation test voltage: 1000V DC for 1min between analog output and digital output
Resolution: 15 bits, 16,000 steps
Compliance voltage: 10V 500Ω
Intelligent Multiplexer
Channel selection: Binary (digital inputs)
Cycle time: 4sec minimum to cycle through all 16 inputs
Resolution: 12 bits, 4000 steps typical
Comm Port(s)
Protocols: Modbus RTU, RS232, RS422 or RS485
Port 1: Select either: RS= RS422 / RS485 OR EMOD= Ethernet Modbus (10/100/Auto)
Port 2: RS232 / RS485 auto-select Selectable baud rate 2400–230000 baud. Format: 8 bit, no parity, 1 stop
Isolation test voltage: 1000V DC for 1min between comms and analog input/output, and between comms and digital input/output
Digital Inputs
Number of digital inputs: 4 x Opto isolated inputs
LED indication: of each digital input
Functions: Status, up counter, up/down counter with direction, debounced counter, frequency, gated frequency
Counter register output: 32 bit
Frequency range: 0–10,000Hz
Input voltage: 5–30V DC
Threshold: 4.6V typical
Debounce counter range: 0–100Hz
Load: At 5V DC= 1.1mA; At 24V DC= 7mA
Isolation test voltage: 1000V DC for 1min between digital input and analog input/output, and between digital input and digital output
Data Logging
Real-time clock:
Data logging: to Micro SD card (supplied). Logging to onboard memory when Micro SD card removed
Micro SD card capacity: 1GB (7,858,683 samples for all channels) Not compatible with higher-capacity Micro SD cards
Onboard memory capacity: 32MB (31,774 samples for all channels) Used when Micro SD card is removed
Datalog retrieval: Fast, simple datalog retrieval and visualization using Define WorkBench
Programming
USB programmable: Via USB prog port using Bridge Key USB programmer (sold separately)
Define WorkBench: Simple configuration and data log retrieval using Define WorkBench
Construction
Casing: DIN 35 rail mounting; Material: ABS inflammability V0 (UL94)
Dimensions (H x W x D): 2.32 x 10.04 x 5.67″ (59 x 255 x 144mm), with plugs in
Weight: ZEN-LOG-RS = 27.2oz (770g) ZEN-LOG-EMOD = 27.7oz (784g)
Environmental Conditions
Operating temperature: 14 to 140°F (–10 to 60°C)
Storage temperature: –4 to 176°F (–20 to 80°C)
Operating humidity: 5–85% RH max, non-condensing
Environmental Conditions
EN 61326-1: Complies with EN-61326-1:2006
EMC: Emissions EN 558022-A; Immunity EN 50082-1; Safety EN 60950
Files
Documents
Zen Register Supplement 18V01, 04-Oct-2018 | (3660 KB)
Zen RTU Logix Integration User Manual 15V03, 16-Jun-2015 | (1371 KB)
Zen RTU Manual 17V01, 20-Sep-2017 | (3276 KB)
Zen RTU Datasheet 17V01, 19-Sep-2017 | (738 KB)
Files for connecting to Rockwell Automation hardware
057F000C00C90100 [EDS file], 05-Jul-2016 | (74 KB)
Zen Mapping EDSAOP [L5X file], 05-Jul-2016 | (91 KB)
Zen Mapping Generic [L5X File], 05-Jul-2016 | (91 KB)
Software
Define WorkBench
Simple software to program your Zen series or edge processing device
Use Define WorkBench to simulate, configure and view data for all Zen series control stations and Nimbus IoT Gateways, including:
- Zen Datalogger 16 Channel Datalogger
- Zen RTU/R & Zen RTU/U Remote Terminal Units
- Zen IoT Edge Processing Interface
- Nimbus IoT Edge Processing Interface
- Legacy ZEN-16’s
With a user-friendly, uncluttered design, WorkBench offers a simple interface for setting up and scaling your unit, as well as retrieving and graphing your datalog.
N.B. Version 3 features Simulation Mode and is only compatible with legacy ZEN-16 firmware 2.0.0 and later.
Define CodeLab
Flexible macro programming of your Zen series device
Define CodeLab enables you to write and compile a macro using the BASIC programming language, for fully flexible programming of your Zen series device. CodeLab is compatible with all Zen devices, including:
- Zen Datalogger 16 Channel Datalogger
- Zen RTU/R & Zen RTU/U Remote Terminal Units
- Zen IoT Edge Processing Interface
- Legacy ZEN-16’s
Order Codes
ZEN-RTU |
|
| Input Type | |
| /R | Non-Isolated RTD Input (View product page) |
| /U | Isolated Universal Input |
| Power Supply | |
| -HV | 85-265V AC / 95-370V DC |
| -MV | 24-48V AC / 17-72V DC |
| Port 1 | |
| No Port 1 Comm | |
| -EMOD | Ethernet Modbus |
| Sample order codes: ZEN-RTU/R-HV, ZEN-RTU/R-MV-EMOD | |
Compare
| Â | ZEN-16 | Zen Datalogger | Zen RTU/U | Zen RTU/R |
|---|---|---|---|---|
| 16 Universal Isolated Inputs |  |
|
|
 |
| 16 Non-Isolated RTD Inputs | Â | Â | Â | |
| 1GB Data Logging | |
|
 |  |
| 4 Digital Inputs | |
|
|
|
| 2 Analog Outputs | |
|
 |  |
| 2 Relay Outputs | |
|
 |  |
| RS232/485 | |
|
|
|
| RS422/485 | |
|
 |  |
| Ethernet Modbus | |
|
|
|
| Easy setup with WorkBench | |
|
|
|
| Zen-RIO expansion option | |
|
 |  |
| HMI Interface | |
|
 |  |
| Universal AC/DC power supply | |
|
|
 |
All prices are in US Dollars. For pricing in other currencies, please contact us.