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