ES-5375 Rev.7

M8DY1

Dual Output Super-mini Signal Conditioners Pico-M Series

CURRENT LOOP SUPPLY

(CE)
Functions & Features
• Powering a 4 – 20 mA DC current loop
• Two isolated process signal outputs
• Space-saving, easyto-maintain, multi-channel installation base

MODEL: M8DY1-[1][2]-R[3]

ORDERING INFORMATION

• Code number: M8DY1-[1][2]-R[3]
Specify a code from below for each of [1] through [3].
  (e.g. M8DY1-6A0-R)
• Specify the specification for option code /Q
  (e.g. /C01 /V01)

INPUT

Current
4 – 20 mA DC (Input resistance 250 Ω)

[1] OUTPUT 1 / OUTPUT 2

6A: 1 – 5 V DC (Load resistance 2500 Ω min.)
    / 4 – 20 mA DC (Load resistance 300 Ω max.)
44: 0 – 10 V DC (Load Resistance 5000 Ω min.)
    / 0 – 10 V DC (Load Resistance 5000 Ω min.)
55: 0 – 5 V DC  (Load resistance 2500 Ω min.)
    / 0 – 5 V DC  (Load resistance 2500 Ω min.)
66: 1 – 5 V DC (Load resistance 2500 Ω min.)
    / 1 – 5 V DC (Load resistance 2500 Ω min.)

[2] TRANSMITTER POWER SUPPLY SWITCH

0: Without
1: With

POWER INPUT

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

[3] 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
ADJUSTMENT
/V01: Multi-turn fine adjustment

RELATED PRODUCTS

• Installation Base or Single Mount Base Socket (model: M8BSx)
This unit must be mounted on dedicated base or socket.

GENERAL SPECIFICATIONS

Construction: Plug-in
Mounting screw: M3 screw (torque 0.3 N·m)
Housing material: Flame-resistant resin (black)
Power supply: Via the Installation Base terminals
(model: M8BSx)
Isolation: Input to output 1 to output 2 to power
Zero adjustment: -2 to +2 % (front)
Span adjustment: 98 to 102 % (front)
Transmitter power supply switch: Stops power supply at OFF (factory setting: ON)

SUPPLY OUTPUT

Output voltage: 24 – 28 V DC with no load
Current rating: ≤ 22 mA DC
• Shortcircuit Protection
Current limited
: 30 mA max.
Protected time duration: No limit

INPUT SPECIFICATIONS

■ DC Current: Input resistor incorporated

INSTALLATION

Current consumption: Approx. 60 mA
Operating temperature: 0 to 55°C (32 to 131°F)
Operating humidity: 30 to 95 %RH (non-condensing)
Mounting: Installation Base (model: M8BSx)
Weight: 70 g (2.5 oz)

PERFORMANCE in percentage of span

Accuracy: ±0.1 %
Temp. coefficient: ±0.02 %/°C (±0.01 %/°F)
Response time: ≤ 15 msec. (0 – 90 %)
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength:
1500 V AC @1 minute (input to output 1 or output 2 or power to ground)
500 V AC @1 minute (output 1 to output 2 to power)
SWC test: ANSI/IEEE-C37.90.1-1989

STANDARDS & APPROVALS

EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
RoHS Directive

BOTTOM VIEW

• Transmitter Power Supply Switch
This switch is provided only when the option is specified
in ordering.  Turn the switch right for ON, left for OFF.

EXTERNAL DIMENSIONS unit: mm [inch]

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM