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The Define Instruments Zen data logger is perfect for connecting to a combination of analog and digital sensors. The inputs are all individually isolated and EMC hardened, making it fit for the most demanding industrial environments. It can be set up as an analog multiplexer, utilizing the on-board dual analog outputs, or as an alarm and control station, using the 16 built-in setpoints. These setpoints can trigger up to 16 relay contacts if connected to the optional ZEN-RIO I/O expansion (sold separately).
A free download of the WorkBench software is available; use it in conjunction with the Zen data logger to plot graphs and visualize your data for a better understanding of your results. You can also export your data to CSV format for further scrutiny using Excel.
The WorkBench Software can be found here
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 dd>
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 dd>
Permanent memory
(E²ROM) 100,000 writes per input parameter
Linearity & repeatability
<±0.1% dd>
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
T/C lead resistance
100Ω max
Cold junction compensation
14 to 140°F (–10 to 60°C)
CJC drift
<0.02°c °c typical for all dd>
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
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
2,000V
Frequency
50–60Hz
Features
Expansion interface
Add 16 relay outputs and 16 digital control inputs with a ZEN-RIO Relay/IO Expansion (sold separately)
HMI interface
For FM1602 Remote Display (sold separately)
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 dd>
Response time
100msec
Ambient drift
<50ppm dd>
Attenuator Input
Attenuator type
Define Instruments HVA-1000
Max input voltage
1000V DC
Attenuation factor
1000 ±0.1%
Input impedance
3.8MΩ
Output impedance
3.8kΩ
Attenuator type
Differential resistive
Ambient drift
50ppm/°C max
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
Certifications & Compliances
EN 61326-1
Complies with EN-61326-1:2006
EMC
Emissions EN 558022-A; Immunity EN 50082-1; Safety EN 60950
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