✦Basic product information：

0571-A-0328 The System 57 MODBUS Interface provides a facility for digital
communication between the System 57 Control System and an external
computer system. MODBUS is a well supported digital data
communication protocol which provides a set of standard commands
by which system data can be communicated. Two different interface
modules are available to support the most widely used electrical
interface standards, thereby ensuring compatibility with most external
systems. Using the MODBUS Interface it is possible to read

0571-A-0328

configuration, alarm status and other information from any channel in
the rack and to perform calibration and other procedures.
The MODBUS Interface is commonly used to connect the System 57
Control System to plant control systems to provide central monitoring
of system status often with graphical display.
The principal features of the MODBUS Interface are:
Easily fitted to the Engineering Card.
0571-A-0328 Compatible with 5701, 5704 and 5704F Control Cards.
Simple field connections, via the DC Input Card terminal block, for
wire up to 2.5mm² (14 AWG).
Operates as a MODBUS RTU.
Supports functions 02, 03, 04, 06 and 16 of the MODBUS protocol.
Provides sensor gas readings and alarm status for Fault, Inhibit,
A1, A2, A3, FIRE, STEL, LTEL and Rate alarms from all channels
in the rack.
0571-A-0328 Supports commands to Inhibit, Reset, Normalise (zero), Calibrate
(span) and set Alarm Levels for all channels in the rack.
Supports RS485, RS422 and RS232 electrical standards.
Data signals isolated from System 57 power supply.
Asynchronous serial link configurable for baud rate, parity and stop
bits.

0571-A-0328

Primary and secondary channel operation.
Half duplex operation.
Multi-drop capability.
Easily configured using Engineering Interface Software

✦About Chengdu Sunshine Xi He

Chengdu Sunshine Xi He Electric Co., Ltd. specializes in selling the world’s major electrical brand products overseas direct procurement,

genuine inventory, price preferential after-sales warranty, complete models, the same product, not the same price and service.

Large supply of original imported DCS system accessories, PLC system accessories.

Main :ABB, GE Fanuco, Bentl Bentley, Triconex Invensys, Woodward Woodward, Foxboro, Foxboro,

Westinghouse /Emerson, Reliance Ryan, SchneiderModicon, A-B, HIMA dark horse, Motorola MOTOROLA,

Kollmorgen Kollmorgen Bosch/Rexroth/ Bosch Rixon, NI,YOKOGAWA Yokogawa, and other major brands of DCS system accessories,

robot system accessories, large servo system discontinued spare parts.

✦Contact us freely

BeiLin

| Mobile/wechat：+86 18005021035

Email contact：18005021035@163.com

✦What can we do for you?

1. All items are new.
2. Any enquiry will be answered within 1 hour.
3. We check them before shipping!

✦About Frequently Asked Questions

Q: Are you a trading company or a manufacturer?
A: Yes, we are a trading company.

Q: Do you have stock or need to buy from another supplier?
A: We have a lot of inventory to sell and we have our own warehouse.

Q: Do you sell outdated products? Or even a very old product?
A: If there is a new model that needs to be replaced, we will recommend that you use the new model;
If the replacement is not easy, we will help check that the old car is in good condition.
If used or otherwise, we will tell you the truth.

Q: How long is your delivery time?
A: If the goods are in stock, it usually takes 2-3 working days. If the quantity is large,
It takes 5-7 business days after receipt of payment.
If it is not an ordinary product, it always takes 3-4 weeks to order.

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