Manufacturer:
KMTronic LTD

Model:
MDB8CR

Features:
- Each relay has an LED to indicate when it is operated.
- Relay outputs can be used to turn ON/OFF lights, motors and other devices.

Specifications:
Relays have Normally Open (NO) and
Normally Closed (NC) Contacts each capable of switching max:
- 12VDC/15A
- 24VDC/15A
- 125VAC/15A
- 250VAC/10A

Required power:
from 9 to 24V DC

Standby current at 12V:
(Relays OFF) - 79mA
One Relay ON - 116mA
Two Relays ON - 147mA
All Relays ON - 350 mA

Dimensions:
KMTronic_8Relay_Dimension.pdf

Default:
IP address: 192.168.1.199
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.1.1

MODBUS Commands:
01 (0x01) Read Coils
05 (0x05) Write Single Coil
15 (0x0F) Write Multiple Coils

Coil 0000: Relay 01
Coil 0001: Relay 02
Coil 0002: Relay 03
Coil 0003: Relay 04
Coil 0004: Relay 05
Coil 0005: Relay 06
Coil 0006: Relay 07
Coil 0007: Relay 08

Reset to Default Settings:
Hold Reset button for 10 seconds

 Create your own label, use your company name or logo
www.sigma-shop.com/custom-label.html

Software examples:
https://info.kmtronic.com/modbus-relays.html