900MB Series Analog Output Module Modbus/RS-485 Four Four Outputs (2) Outputs (4) Analog Discrete Outputs Outputs DC Current or Isolation DC Voltage Modbus RS-485 Outputs (2) Power 10-36V DC or 24V AC 917/918MB Multi-Channel Analog Output Modules■Description■Special Features These modules drive four analog output channels■Standard Modbus RTU protocol with high-speed DC Current or and also feature four discrete outputs for on/off RS-485 communication (up to 115K bps) control. Isolation separates the output, power, DC Voltage Outputs ■12-bit D/A yields 0.1% of span resolution and and network circuits. Network communication accuracy Discrete Outputs adheres to the industry-standard RS-485 Modbus RTU protocol. AC and DC power sources are■Four analog outputs in an inch-wide module supported with nonpolarized, diode-coupled reduces system costs and saves panel space Models terminals. ■Four discrete outputs enable host-controlled 917MB: 4 current output channels The analog outputs generate a signal based on on/off switching 918MB: 4 voltage output channels communication from the host. They accommo- ■Heavy-duty 1A solid-state relays provide date wide DC voltage or current ranges. Analog Output dependable on/off control of industrial devices 917MB: 0 to 20mA, 4 to 20mA, 0 to 1mA DC Discrete outputs provide simple on/off switching ■Self-calibration lowers maintenance costs by 918MB: 0 to 10V, 0 to 5V, 0 to 1V DC capability (open-drain) for external devices. reducing periodic manual calibration checks Discrete Output Combining analog outputs, on/off controllers, ■Watchdog timers provide a configurable Four output channels: and a network interface in a single package, failsafe output state for use when host Open-drain MOSFETs (1A DC loads) makes this instrument extremely powerful. I/O communication is lost 0 to 35V DC Multi-channel design adds cost-efficiency and allows high-density mounting. Plus, safe, rugged■Three-way isolation eliminates potential Network Communication construction make it reliable for both control ground loops between power, output, and Modbus-RTU high-speed RS-485 room and distributed field I/O use in a broad network circuitry range of temperature control applications. ■Self-diagnostics monitor microcontroller activity Power Requirement Custom module configurations are also possible to detect operational failures (lock-up) and 12 to 36V DC (917MB), 10 to 36V DC (918MB), (consult factory for details). execute a reset to restore communication 24V AC Approvals CE marked. UL, cUL listed Class I; Division 2; Groups A, B, C, D. Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 30 ® BusWorks Modbus I/O ® BusWorks Modbus I/O TB4 TB3 46 45 44 43 42 41 36 35 34 33 32 31 DIGITAL OUTPUTS RS485 PWR ANALOG OUTPUTS ANALOG OUTPUTS 11 12 13 14 15 16 21 22 23 24 25 26 ANALOG OUTPUTS ANALOG OUTPUTS 11 12 13 14 15 16 21 22 23 24 25 26 TB1 TB2 Modbus I/O ■Voltage Output (918MB) Output Response Time■Performance 4.1ms typical, from receipt of command to gate DC Voltage Output Ranges transition of the output MOSFET.■General Analog Output Range user-configured. Selection applies to all channels. Resolution Output Range Resolution Accuracy (% span) ■Communication See current/voltage output specifications for more 0 to 1V 0.274% ±0.6% (±6mV) Supported Modbus Commands information. 0 to 5V 0.055% ±0.1% (±5mV) The command/response protocol for communicating 0 to 10V 0.027% ±0.1% (±10mV) Ambient Temperature Effect with this module adheres to the Modbus/RTU standard Better than ±0.001% of output span per °C, or Maximum Output Voltage for the following Modbus Functions. ±1.0uV/°C, whichever is greater. 11.255V DC typical. Read Coil (Output) Status Report Slave ID Read Holding Registers Reset Slave Ambient Temperature Integral Non-Linearity Read Input Registers Operation (917MB): -25°C to 60°C* (-13°F to 140°F*). ±0.1% of span or ±2 LSB typical, whichever is larger, Force Single Coil (Output) Operation (918MB): -25°C to 70°C (-13°F to 158°F). for spans equal to or greater than 5V. Preset Single Register Storage: -40°C to +85°C (-40°F to +185°F). Output Current Force Multiple Coils (Output) * Limit 917MB maximum ambient to 50°C (122°F) 0 to 10mA DC maximum. Preset Multiple Registers when using supply voltages less than 15V DC. Output Impedance LED Indicators ■Current Output (917MB) 1 ohm. LEDs indicate power, status, and discrete level/alarm. DC Current Output Ranges Output Short Circuit Protection ■Power and Isolation Range user-configured. Range selected applies to all Included. channels. Power Requirements Response Time 10 to 36V DC (918MB), 12 to 36V DC (917MB) Output Range Resolution Accuracy (% span) 110µs rise time typical, 150µs fall time typical, 22 to 26V AC. 0 to 1mA 0.554% ±2.0% (±0.002mA) unloaded, for output to reach 98% of the final value 0 to 20mA 0.028% ±0.1% (±0.02mA) Supply Current in response to a step command. Time varies with load. 4 to 20mA 0.035% ±0.1% (±0.02mA) Supply Current Draw (917) Current Draw (918) Maximum Output Current■Discrete Output 10V DC Not Recommended 100mA maximum 22.5mA DC typical. 12V DC 275mA maximum 85mA maximum Output Type 24V DC 120mA maximum 45mA maximum Four independent open drain MOSFET switches with a Integral Non-Linearity 24V AC 210mA rms max. 85mA rms max. common return that operate as low-side switches. ±0.1% of span or ±2 LSB typical, whichever is larger, for spans equal to or greater than 16mA. Isolation Output Voltage Range 1500V AC for 60 seconds or 250V AC continuous. 0 to 35V DC (up to 1A/channel continuous). Output Compliance 3-way isolation between outputs, network, and power External voltage source required. 12V minimum, 12.7V typical. circuits. Output ON Resistance Output Load Resistance Range 0.15 ohms maximum. 0 to 630 ohms typical. ■Ordering Operation Response Time Information Digital outputs are set to their OFF state following a 11ms typical into 500 ohms, for measurement to software or power-on reset. Outputs may be set to reach 98% of the final value in response to a step Models user-defined states following a watchdog timeout. command. Actual response time will vary with load. 917MB-0900 Watchdog timeout output control takes precedence 918MB-0900 over limit alarm control. Alarm control takes prece- DC current (917MB) or voltage (918MB) output module dence over host control. Accessories 900C-SIP ANALOG OUTPUT Configuration Software Interface Package TB1 TB1 TB4 CONNECTIONS (includes software CD-ROM for Windows, RS-232/485 I0+ V0+ RTN RTN RTN OUT3 converter, and RS-485/three-wire cable) DC CURRENT OUTPUT RTN RTN OUT2 DIGITAL OUTPUT I1+ V1+ RTN ANALOG TB1/TB2 5034-225 I RTN RTN OUT1 WIRING CONNECTIONS I+ OUTPUT SAME AS 913/914MB RTN RTN OUT0 USB-to-RS232 adapter. See page 41 for more info. + R RTN L TB2 TB2 TB3 TBK-B02 I2+ V2+ COM Optional terminal block kit, barrier strip style, 4 pcs. RTN RTN COM NETWORK RTN RTN D COMMUNICATION TBK-S02 I3+ V3+ D ANALOG DC VOLTAGE OUTPUT RTN RTN B OUTPUT Optional terminal block kit, spring clamp style, 4 pcs. AC/DC TB1/TB2 RTN RTN A POWER V+ PS5R-D24 10 TO 36V DC + OR 24V AC R L RTN Power supply (24V DC, 2.1A). NON-POLARIZED See Power Supplies on page 183. For more information on software, network hardware, and mounting accessories, please see Pages 39-41. Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 31 ® BusWorks Modbus I/O Modbus I/O Watchdog Timer (Network Communication)■Accessories■General Module All modules have a communication watchdog timer Specifications function. The watchdog timer is configurable for ■Configuration Tools timeout periods of up to 18 hours. This timer ■Communication Interface Acromag provides a full set of tools to help you function monitors I/O communications with the host get your modules set up and ready to install. Network Communication controller. In the event of lost communications, output Modbus-RTU protocol, RS485 (3-Wire). Standard ports optionally reset to a user-defined state or level. Software Interface Package Protocol implementation as defined under “Modicon The watchdog timer restarts with a read/write to an Modbus Reference Guide” PI-MBUS-300 Rev. J. See Page 39 for more information. I/O channel. Reference: http://public.modicon.com. Includes the following: Search on: PI-MBUS-300 for technical publication.■Environmental - Configuration Software Utility Ambient Temperature Baud Rate - Instruction manuals Operation: -25°C to +70°C (-13°F to +158°F). 2400, 4800, 9600, 14.4k, 19.2k, 28.8k, 38.4k, 57.6k, - Serial port converter Storage: -40°C to +85°C (-40°F to +185°F). 76.8k, or 115.2k baud. Default 9600 baud. - Interface cable Relative Humidity Module Addressing 5 to 95% non-condensing. 0 to 247, selectable. Default address 247.■Network Devices Radiated Field Interference Immunity (RFI) Everything you need to drive your network is Network Distance Complies with EN61000-4-3 Level 2 and EN50082-1 4000 feet without network repeater. available from Acromag: isolators, converters, (3V/M, 80 to 1000MHz AM and 900MHz keyed). signal boosters, and power sources. Nodes Electrical Fast Transient Immunity (EFT) Supports up to 32 modules without the use of a Universal 50W Power Supply (Page 39) EN61000-4-4 Level 1 and EN50082-1 network repeater. (0.5KV power, signal lines). Isolated RS-232/485 Converter (Page 40) Parity Isolated RS-485 Network Repeater (Page 40) Electrostatic Discharge (ESD) Immunity Odd, even, or none. Default setting none. EN61000-4-2 Level 3 and EN50082-1 Stop Bits (8KV/4KV air/direct discharge).■Mounting Hardware One with parity, one or two with no parity. Installation is a snap with Acromag accessories. Surge Immunity Default setting is two stop bits with no parity. EN61000-4-5 (0.5KV) and EN50082-1. DIN RAIL Bars (Page 39) Watchdog Timer (Hardware) Radiated Emissions A hardware watchdog timer is built into each module 19" Rack-Mount Kit (Page 39) Meets EN50081-1 for Class B equipment. to perform a reset if the microcontroller fails to return from an operation in a timely manner or "locks up". Approvals CE marked. UL listed for US and Canada. Class I; Division 2; Groups A, B, C, D. ■Enclosure/Physical Enclosure Self-extinguishing NYLON type 6.6 polyamide thermo- plastic UL94 V-2, color beige; general purpose NEMA Type 1 enclosure. Connectors (Removable Terminal Blocks) Wire Range: AWG #12-24, stranded or solid copper. Dimensions 1.05W x 4.68H x 4.35D inches 26.7W x 118.9H x 110.5D mm. DIN Rail Mounting DIN rail mount, Type EN50022; "T" rail (35mm). Shipping Weight 1 pound (0.45 Kg) packed. A test page simplifies diagnostics with a live visual display of the module’s input and output values. Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 23 A B D D COM COM TB3 TB2 TB4 TB1 900MB Series 900MB Series Technical Diagrams TB4 TB3 Acromag 46 45 44 43 42 41 36 35 34 33 32 31 RUN "T" Rail Din Mounting ST Din EN 50022, 35mm DFT RS485 PWR 0 1 2 3 C L 11 12 13 14 15 16 21 22 23 24 25 26 TB2 TB1 3.90 1.05 (99.1) (26.7) 4.35 (110.5) NOTE: ALL DIMENSION ARE IN INCHES (MILLIMETERS) PERSONAL COMPUTER W/ WINDOWS 95/98 OR NT CAUTION: DO NOT CONNECT THE RS-232 SERIAL CABLE DIRECTLY TO THE PC WITHOUT RS-232 TO RS-485 CONVERTER PORT CONNECTOR CABLE 5034-202 THE CONVERTER, OR DAMAGE TO PC RUNNING MODEL 5034-214 AT BACK OF PC THE MODULE MAY RESULT. ACROMAG MODBUS CONFIG SOFTWARE INSTALL MODBUS CONNECT THE RS-232 CONNECT THE RS-485 CONFIGURATION SIDE OF CONVERTER SIDE OF CONVERTER SOFTWARE TO THE PC TO THE CABLE USB-to-RS232 Adapter 900C-SIP COMMUNICATION CONNECTIONS A B C CONNECT WIRES AS SHOWN COM D D WIRE COLOR RS-485 TB4 TB4 TB3 A RED D RUN/PWR LED (GREEN) Acromag B BLACK D RUN 46 45 44 43 42 41 36 35 34 33 32 31 STATUS LED (YELLOW) ST C GREEN COM DFT RS485 DEFAULT MODE SWITCH - PWR 01 PUSH FOR DEFAULT MODE. REFER TO THE USER'S MANUAL Model 5034-225 2 3 THAT CAME WITH YOUR MODULE STATUS LED FLASHES IN ANY 900MB MODULE TO COMPLETE THE MODULE'S DEFAULT MODE. USB-to-RS232 adapter POWER AND I/O CONNECTIONS Length: 3.15 in (8.0 cm) Height: 0.80 in (2.03 cm) R 11 12 13 14 15 16 21 22 23 24 25 26 Width: 1.75 in (4.44 cm) Weight: 1.6 oz (45.36 g) TB1 TB2 TB1 Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 38 ® BusWorks Modbus I/O 2.34 (59.4) 3.75 (95.3) 4.68 (118.9) TB1 TB4 TB3 TB2 COM COM D D B A ® BusWorks Modbus I/O 35.3 4-ø4.5 10-ø6.5 Modbus I/O ■Ordering Information Software Configuration Kit 900C-SIP Interface Package Software Interface Package Software Interface Package. Model No. 900C-SIP Includes Configuration Software (5034-186), ® This package includes Windows Configuration Non-isolated RS-232 to RS-485 Serial Port Converter RS-485 Cable Software, an RS-232-to-485 Serial Port (5034-214), and RS-485 Cable (5034-202). (DB-9) Converter, and an RS-485 Signal Cable. These Items can also be ordered separately below. components provide everything you need to set 5034-186 up a Series 900 I/O module from your desktop Configuration Software for Windows (95/98/ME, NT4, 2000) on CD-ROM. PC before installing it on the network. RS-232 to RS-485 Converter 5034-214 (non-isolated) Non-isolated RS-232 to RS-485 Serial Port Converter, RS-232/485 Converter RS-485 DB-9F to DB-9F. Configuration Software (non-isolated) to 3-wire for Windows 95/98/NT 5034-202 RS-485 to 3-wire Cable Converter, DB-9M to 3 x 12AWG RS-485 Cable, 8 ft. 5034-214 5034-202 ■Ordering Information Universal 50W Network Power PS5R-D24 Power Supply Universal Power Supply The PS5R-D24 is the Top View Side View (dimensions in mm) (dimensions in mm) ideal power source 3.8 90 to drive your 80 13 13 13 13 network. Input Power Requirement Universal power DC ON 85 to 264V AC, V.ADJ 105 to 370V DC Output 24V DC, 2.1A (50W) 6 M3.5 Terminal Screws 95 12 ■Ordering Information DIN-Rail Mounting Hardware 20RM-16-DIN Mounting 19" rack-mount kit with DIN rail. DIN RAIL 3.0 For your convenience, Acromag offers several DIN RAIL 16.7 mounting accessories to simplify your system DIN rail strip, Type T, 3 inches (75mm) or installation. Our 19” rack-mount kit provides a 16.7 inches (425mm) clean solution for mounting your I/O modules and a power supply. Or you can buy precut DIN rail strips for mounting on any flat surface. Dimensions in inches (mm). Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 39 7.35 5 60 75 900MB Series Specifications 4SCC-TTM x RS-232 to RS-485 Baud Rates Isolated Signal Switch-selectable from 300 to 38.4K baud. Converter Duplex Half duplex only. This unit provides an isolated interface between Network Termination Resistors the host PC’s RS-232 port and RS-485 Modbus Two terminal blocks and 120 ohm resistors provided to network devices. Signal conversion is bidirectional terminate both ends of the RS-485 network. with operation that is transparent to all devices. Wiring Connectors The RS-485 network supports up to 32 devices Terminal blocks with screw clamps for 14-26AWG. (including the 4SCC-TTM Converter) across 4000 foot distances. Installation of additional network Operating Temperature Range -25 to 60°C (-13 to 140°F). devices or extending the distance requires the 4SCR-TTM Network Repeater. Isolation Withstands 1500V AC surge for 60 seconds (250V AC or 354V DC continuous). ■Ordering Information 4SCC-TTM-1 Signal Converter, 115V AC (power cord included) 4SCC-TTM-2 Signal Converter, 230V AC (power cord included) Dimensions in inches (mm). 5020-924 Signal Cable, 8ft. long, DB-9 to three wires. Shipping Weight Connects PC’s RS-232 port to 4SCC-TTM-x. 3.0 lbs. (1.4 kg) packed. Specifications 4SCR-TTM x RS-485 to RS-485 Baud Rates Isolated Network Switch-selectable from 300 to 38.4K baud. Repeater Duplex Half duplex only. This unit isolates and boosts RS-485 signals to Network Termination Resistors extend communication distances or increase the Two terminal blocks and 120 ohm resistors provided to number of devices on the network. Each Repeater terminate both ends of the RS-485 network. permits the addition of a network branch with up RS-485 Wiring Connectors to 32 devices (including the 4SCR-TTM) and will Terminal blocks with screw clamps for 14-26AWG. transmit RS-485 signals another 4000 feet. Operation is transparent to all devices and no Power Wiring Connections Terminal block with screw clamps for 12-18AWG. handshaking is required. Two terminal blocks are provided for 120 ohm resistors to terminate both Operating Temperature Range ends of the network branch. -25 to 60°C (-13 to 140°F). Isolation Withstands 1500V AC surge for 60 seconds (250V AC or 354V DC continuous). ■Ordering Information 4SCR-TTM-1 Signal Converter, 115V AC power Dimensions in inches (mm). 4SCR-TTM-2 Shipping Weight Signal Converter, 230V AC power 3.0 lbs. (1.4 kg) packed. 40LC-GBW-1 115V AC power cord Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 40 ® BusWorks Modbus I/O ® BusWorks Modbus I/O Modbus I/O System Connection USB-to-RS232 Adapter Model 5034-225 USB-to-RS232 adapter Length: 3.15 in (8.0 cm) Isolated RS-232/485 Height: 0.80 in (2.03 cm) Signal Converter Width: 1.75 in (4.44 cm) RS-232 Acromag Model No. 4SCC-TTM Weight: 1.6 oz (45.36 g) RS-485 Daisy-Chain Topology RS-485 Network: Up to 32 devices, 4000ft. max. Extending the Network Isolated RS-485 Network Repeater Acromag Model No. 4SCR-TTM Network Branch: To Network Host Additional 32 devices, 4000ft. extension RS-485 RS-485 Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 41