ES-7803-AK Rev.0

R7M-DAC16C

Remote I/O R7 Series

MODBUS I/O MODULE

(NPN discrete input & NPN transistor output, 8 points each, 115.2 kbps)
Functions & Features
• 8 points NPN discrete input and 8 points NPN transistor output module for Modbus
• Extension module can be connected

MODEL:R7M–DAC16C-R[1]

ORDERING INFORMATION

• Code number: R7M-DAC16C-R[1]
Specify a code from below for [1].
(e.g. R7M-DAC16C-R/Q)
• Specify the specification for option code /Q
(e.g. /C01/SET)

I/O TYPE

DAC16C: NPN discrete input &
NPN transistor output, 8 points each

POWER INPUT

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

[1] OPTIONS

blank: none
/Q: With options (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-7803-AK)

RELATED PRODUCTS

• PC Configurator cable (model: MCN-CON or COP-US)
• PC configurator software (model: R7CON)
Downloadable at our web site.
• Discrete input extension module (model: R7M-EAx)
• Discrete output extension module (model: R7M-ECx)

GENERAL SPECIFICATIONS

Connection: M3 separable screw terminal (torque 0.5 N·m)
Solderless terminal: Refer to the drawing at the end of the section.
Recommended manufacturer: Japan Solderless Terminal 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: I/O to Modbus or FG to power
Output mode setting: disabled (*), enabled
Selectable with the front DIP switch
(*) Factory default setting
When the output mode setting is enabled, it is possible to set the operation mode for every two outputs points by using the configurator software (model: R7CON).
For example, the following settings are possible.
     Output 0: Continuance Output
     Output 1: Continuance Output
     Output 2: ON/OFF Control Output
     Output 3: ON/OFF Control Output
     Output 4: ON/OFF Control Output
     Output 5: ON/OFF Control Output
     Output 6: Continuance Output
     Output 7: Continuance Output
Operating mode setting: Continuance Output (*), ON/OFF Control Output
Selectable with the front DIP switch
(*) Factory default setting
ON/OFF control output setting: 100 msec. (*), 200 msec., 300 msec., 500 msec., 1 sec., 2 sec., 5 sec., 10 sec.
Selectable with the front DIP SW
(*) Factory default setting
Extension: No extension (*), Discrete input 8 or 16 points, Discrete output 8 or 16 points
Selectable with the front DIP SW
(*) Factory default setting
Output at the loss of communication:
Hold the output (*), Reset the output
Selectable with the front DIP SW
(*) Factory default setting
Status indicator LEDs: PWR, RUN, ERR, SD, RD
(Refer to the instruction manual)
Discrete I/O status indicator LED: LED turns on with I/O ON
Configurator connection: 2.5 dia. miniature jack
■Recommended solderless terminal

MODBUS COMMUNICATION

Standard: Conforms to TIA/EIA-485-A
Transmission distance: 500 meters max.
Transmission media: Shielded twisted-pair cable
(CPEV-S 0.9 dia.)
Communication parameter: With Configurator Software (model: R7CON)
• Data Mode: RTU (default) or ASCII
• Parity: NONE (default), ODD or EVEN
• Data bit: 8: RTU (default), 7: ASCII
• Stop bit: 1 or 2 (default)
Baud rate setting: With rotary switch
115.2 kbps, 57.6 kbps, 38.4 kbps (default), 28.8 kbps,
19.2 kbps, 14.4 kbps, 9600 bps, 4800 bps, 2400 bps,
1200 bps
Node address setting: 1 - 99 (with rotary switch) (factory default setting: 00)
Terminating resistor: Built-in (Selected with the DIP SW; factory setting: disabled)

INPUT SPECIFICATIONS

Common: Positive common (NPN) per 8 points
Maximum inputs applicable at once: No limit (at 24 V DC)
Rated input voltage: 24 V DC ±10 %; ripple 5 %p-p max.
ON voltage / current: ≥ 15 V DC (X0 to X7 input teriminal - C+) / ≥ 3.5 mA
OFF voltage / current: ≤ 5 V DC (X0 to X7 input teriminal - C+) / ≤ 1 mA
Input current: ≤ 5.5 mA per point at 24 V DC
Input resistance: Approx. 4.4 kΩ
ON delay: ≤ 0.5 msec.
OFF delay: ≤ 1.0 msec.

OUTPUT SPECIFICATIONS

Common: Negative common (NPN) per 8 points
Maximum outputs applicable at once: No limit (at 24 V DC)
Rated load voltage: 24 V DC ±10 %
Rated output current: 0.1 A per point, 0.8 A per common
Residual voltage: ≤ 1.2 V
Leakage current: ≤ 0.1 mA
ON delay: ≤ 0.5 msec.
OFF delay: ≤ 1.0 msec.
Overload current protection function: Limits the current value when overcurrent is detected
Overheat Protection Function:
Turns OFF the output when overheat is detected
(When driving an inductive load, connect a diode in parallel with the load.)

INSTALLATION

Current consumption
•DC: Approx. 40 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: 200 g (0.44 lb)