ES-7812-AX Rev.0

R7HL-LC2

Remote I/O R7 Series

HI-SPEED LINK SYSTEM I/O MODULE

(strain gauge input, 2 points, isolated, with monitor output)
Functions & Features
• 2 points strain gauge input for HLS
• Individual channels, zero adjustment, span adjustment, and scaling can be set with the configurator software (model: R7CON)
HLS is the abbreviation for “Hi-speed Link System” of Step Technica Co., Ltd.
 

MODEL: R7HL-LC2–R[1]

ORDERING INFORMATION

• Code number: R7HL-LC2-R[1]
Specify a code from below for [1].
  (e.g. R7HL-LC2-R/H/R20/F2K/Q)
• Specify the specification for option code /Q
  (e.g. /C01/SET)

I/O TYPE

LC2: Strain gauge input, 2 points (with monitor output)

POWER INPUT

DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[1] OPTIONS (multiple selections)

Communication Mode
blank: Full-duplex
/H: Half-duplex
Input Range
 (be sure to specify)
/R20: -2 - +2 mV/V
/R10: -1 - +1 mV/V
/R05: -0.5 - +0.5 mV/V
CR Filter
(be sure to specify)
/F2K: 2 kHz/2 Hz
/F1: 1 Hz/2 Hz
Other Options
blank: none
/Q: Option other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to our web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
 (No. ESU-7812-AX)

RELATED PRODUCTS

• PC Configurator cable (model: MCN-CON or COP-US)
• PC configurator software (model: R7CON)
Downloadable at our web site.

GENERAL SPECIFICATIONS

Connection: M3 separable screw terminal (torque 0.5 N·m)
Solderless terminal: Refer to the drawing at the end of the section.
Communication cable
  Recommended manufacture
: J.S.T. Mfg. Co., Ltd.
  Applicable wire size: 0.2 to 0.5 mm2 (AWG 26 to 22)
Others
  Recommended manufacture
: J.S.T. Mfg. Co., Ltd.,
  NICHIFU Co., Ltd.
  Applicable wire size: 0.25 to 1.65 mm2 (AWG 22 to 16)
Screw terminal: Nickel-plated steel
Housing material: Flame-resistant resin (gray)
Isolation: Input 0 or output 0 to input 1 or output 1 to HLS to power to FG
Zero adjustments: Configurable via R7CON
Span adjustments: Configurable via R7CON
Load coefficient: Configurable via R7CON
Averaging: 2 (*), 4, 8, 16, 32, 64, 128, 256, 512, 1024
Selectable with the front DIP SW
(*) Factory default setting
Excitation Voltage: 5 V (*), 2.5 V
Selectable with the front DIP SW
(*) Factory default setting
Lowpass filter: 2 kHz (1 Hz for option /F1)(*), 2 Hz
Selectable with the front DIP SW
(*) Factory default setting
Monitor output: Configurable via R7CON
Status indicator LEDs: PWR, RUN
(Refer to the instruction manual)
Input status indicator LED: 0 to F
(Refer to the instruction manual)
Configurator connection: 2.5 dia. miniature jack
■Recommended solderless terminal

HLS COMMUNICATION

Communication mode:
Communication mode option code blank: Full-duplex
Communication mode option code /H: half-duplex
Network cable
• Shield cable
  Full-duplex communication:
  ZHY262PS and ZHT262PS
  (Shinko Seisen Industry Co., Ltd.)
  Half-duplex communication:
  ZHY221PS (Shinko Seisen Industry Co., Ltd.)
• Dual-shield cable:
  ZHY262PBA (Shinko Seisen Industry Co., Ltd.)
Transmission distance / Transfer rate:
100 meters (328 ft)/12 Mbps (default),
200 meters (656 ft)/6 Mbps
(Selectable with DIP switch) 
Station address: Rotary switch
(Refer to the instruction manual)
Data allocation: 2
Terminating resistor: Built-in (Selected with the DIP SW; factory setting: disabled)

INPUT SPECIFICATIONS

■Strain Gauge Input:
Strain Gauge
Input range
Option code /R20
  -2 – +2 mV/V (at 5 V excitation) 
  -4 – +4 mV/V (at 2.5 V excitation)
Option code /R10
  -1 – +1 mV/V (at 5 V excitation)
  -2 – +2 mV/V (at 2.5 V excitation)
Option code /R05
  -0.5 – +0.5 mV/V (at 5 V excitation) 
  -1 – +1 mV/V (at 2.5 V excitation)
Max. Input range
Option code /R20
  -3 – +3 mV/V (at 5 V excitation) 
  -6 – +6 mV/V (at 2.5 V excitation)
Option code /R10
  -1.5 – +1.5 mV/V (at 5 V excitation) 
  -3 – +3 mV/V (at 2.5 V excitation)
Option code /R05 
  -0.75 – +0.75 mV/V (at 5 V excitation) 
  -1.5 – +1.5 mV/V (at 2.5 V excitation)
Zero adjustment
Option code /R20
  -1 – +1 mV/V (at 5 V excitation) 
  -2 – +2 mV/V (at 2.5 V excitation)
Option code /R10
  -0.5 – +0.5 mV/V (at 5 V excitation) 
  -1 – +1 mV/V (at 2.5 V excitation)
Option code /R05 
  -0.25 – +0.25 mV/V (at 5 V excitation) 
  -0.5 – +0.5 mV/V (at 2.5 V excitation)
Lowpass filter:
  Approx. 2 kHz or approx. 2 Hz (option code /F2K)
  Approx. 1 Hz or approx. 2 Hz (option code /F1)
Conversion rate: min. 2000 samples/sec.
Excitation: 5 V ±10 % or 2.5 V ±10 %
(Input range doubled in the case of 2.5 V excitation)
Maximum current: max. 60 mA  (at 5 V excitation)
  max. 100 mA (at 2.5 V excitation)

OUTPUT SPECIFICATIONS

Output range: -10 – +10 V DC (of -10000 – +10000 (% × 100))
Load resistance: ≥ 100 kΩ
Operational range: -115 - +115 %

INSTALLATION

Current consumption
DC: Approx. 150 mA
Operating temperature: -10 to +55°C (14 to 131°F)
Storage temperature: -20 to +65°C (-4 to +149°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Atmosphere: No corrosive gas or heavy dust
Mounting: DIN rail (35 mm rail)
Weight: 220 g (0.49 lb)

PERFORMANCE

Accuracy: 
Option code except /R05
 ±0.04 % (Averaging 128 samples or more)
 ±0.05 % (Averaging 64 samples)
 ±0.10 % (Averaging 8, 16, 32 samples)
 ±0.15 % (Averaging 4 samples)
 ±0.20 % (Averaging 2 samples)
Option code /R05
 ±0.05 % (Averaging 512 samples or more)
 ±0.10 % (Averaging 64, 128, 256 samples)
 ±0.20 % (Averaging 16, 32 samples)
 ±0.30 % (Averaging 2, 4, 8 samples)
Monitor output accuracy: ±0.1 %
Data range: -10000 – +10000 of the input range (% × 100)
Temperature coefficient:
 Strain gauge input: ±0.015 %/°C (±0.008 %/°F)
 Monitor output: ±0.015 %/°C (±0.008 %/°F)
Input delay time:
 Lowpass filter 2 kHz max. 20 msec. (0 - 90 %) 
 Lowpass filter 2 Hz max. 200 msec. (0 - 90 %)
 Lowpass filter 1 Hz max. 400 msec. (0 - 90 %)
Output delay time: ≤ 250 msec. (0 – 90 %)
Resolution: 1/10000
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute (input 0 or output 0 to Input 1 or output 1 to HLS to power input to FG)

STANDARDS & APPROVALS

Refer to the manuals to comply with the standards.
EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
RoHS Directive

EXTERNAL VIEW

COMMUNICATION CABLE CONNECTIONS

TERMINAL ASSIGNMENTS

■ I/O TERMINAL ASSIGNMENT

DATA CONVERSION

I/O DATA DESCRIPTIONS

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

Note: In order to improve EMC performance, bond the FG terminal to ground.
Caution: FG terminal is NOT a protective conductor terminal.