900MB Series Thermocouple/Millivolt Input Module Modbus/RS-485 Four Discrete Inputs (2) Outputs (4) Outputs or Four Limit Alarms Thermocouple or Isolation DC Millivolt Modbus Inputs RS-485 Inputs (2) Power 10-36V DC or 24V AC 924MB Multi-Channel Temperature Control Modules■Description■Special Features This signal conditioner is a four-channel analog■Standard Modbus RTU protocol with high-speed Thermocouple or input module with four discrete outputs. It filters RS-485 communication (up to 115K bps) and linearizes thermocouple inputs while provid- Millivolt Input ■16-bit sigma-delta A/D yields 0.1°C resolution ing isolation between input, output, power, and and 0.5°C measurement accuracy Limit Alarms or network circuits. Cold junction compensation and upscale/downscale sensor break detection■Thermocouple linearization and sensor break Discrete Outputs are standard. AC and DC power sources are sup- detection ensure reliable measurements ported with nonpolarized, diode-coupled termi- ■Four discrete outputs enable local temperature Model nals. limit alarms or host-controlled on/off switching 924MB: 4 input channels The programmable inputs accommodate eight ■Heavy-duty 1A solid-state relays provide thermocouple types plus wide-range millivolt Input dependable on/off control of industrial devices signals. Flexible discrete outputs operate as Four input channels: alarms or on/off controllers. As limit alarms, each■Self-calibration lowers maintenance costs by Thermocouple (types J, K, T, R, S, E, B, N), discrete output can be configured with high reducing periodic manual calibration checks ±100mV DC and/or low setpoints exclusively tied to an analog ■Watchdog timers provide a configurable input channel. Alarm trips function without host Output failsafe output state for use when host communication enabling low-cost stand-alone Four output channels: I/O communication is lost alarms as well as local backup for the primary Open-drain MOSFETs (1A DC loads) control system. Otherwise, on/off control is■Four-way isolation eliminates potential ground 0 to 35V DC based on commands issued by the host system. loops between power, input, output and Network Communication network circuitry Combining flexible transmitter functions, mixed Modbus-RTU high-speed RS-485 signal I/O, alarm support, and a network inter-■Self-diagnostics monitor microcontroller activity face in a single package, makes this instrument to detect operational failures (lock-up) and Power Requirement extremely powerful. Multi-channel design adds execute a reset to restore communication 10 to 36V DC, cost-efficiency and allows high-density mounting. 24V AC Plus, safe, rugged construction makes these modules reliable for use in both control room Approvals and distributed field I/O applications. Custom CE marked. UL, cUL listed module configurations are also possible (consult Class I; Division 2; Groups A, B, C, D. factory for details). Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 32 ® 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 CJC-0 INPUTS 0,1 CJC-1 INPUTS 2,3 11 12 13 14 15 16 21 22 23 24 25 26 TB1 TB2 Modbus I/O ■DC Millivolt Input LED Indicators■Performance LEDs indicate power, status, and discrete level/alarm. Millivolt Input Ranges ■General Input ±100mV DC. ■Power and Isolation Resolution Millivolt Input Accuracy Power Requirements ±100mV DC input: 0.1%. ±0.1% of input range. 10 to 36V DC, Thermocouple input: 0.1°C (0.18°F). 22 to 26V AC. ■Discrete Output Ambient Temperature Effect Supply Current Better than ±0.005% of input span per °C, or Output Type ±1.0uV/°C, whichever is greater. Four independent open drain MOSFET switches with a Supply Current Draw common return that operate as low-side switches. 10V DC 100mA maximum Noise Rejection 24V DC 45mA maximum Normal mode: 40dB @ 60Hz, typical. Output Voltage Range 24V AC 85mA rms maximum Common mode: 140dB @ 60Hz, typical. 0 to 35V DC, 1A DC maximum for each output. External voltage source required. Isolation Input Filter Bandwidth 1500V AC for 60 seconds or 250V AC continuous. -3dB at 3Hz, typical. Output ON Resistance 4-way isolation between input, network, power and 0.15 ohms maximum. discrete I/O circuits. Inputs are isolated channel-to- Input Conversion Rate channel for common mode voltage to ±5V DC. 90ms per channel. Operation Digital outputs are set to their OFF state following a ■Thermocouple Input software or power-on reset. Outputs can optionally ■Ordering be set to user-defined states following a watchdog Thermocouple Input Ranges Information timeout. Watchdog timeout output control takes Thermocouple type user-configured. Type selected precedence over limit alarm control. Alarm control applies to all channels. Signal linearization, cold-junc- 924MB-0900 takes precedence over host control. tion compensation, and open circuit or lead break Thermocouple/millivolt input module detection are included. Output Response Time 900C-SIP TC °C Range (°F Range) Accuracy 4.1ms typical, from receipt of command to gate Configuration Software Interface Package J -210 to 760°C (-346 to 1400°F) ±0.5°C transition of the output MOSFET. (includes software CD-ROM for Windows, RS-232/485 K -200 to 1372°C (-328 to 2502°F) ±0.5°C converter, and RS-485/three-wire cable) T -260 to 400°C (-436 to 752°F) ±0.5°C■Communication 5034-225 R -50 to 1768°C (-58 to 3214°F) ±1.0°C Supported Modbus Commands USB-to-RS232 adapter. See page 41 for more info. S -50 to 1768°C (-58 to 3214°F) ±1.0°C The command/response protocol for communicating TBK-B01 E -200 to 1000°C (-328 to 1832°F) ±0.5°C with this module adheres to the Modbus/RTU standard Optional terminal block kit, barrier strip style, 2 pcs. B 260 to 1820°C (500 to 3308°F) ±1.0°C for the following Modbus Functions. (Does not include terminal block for input wiring.) N -230 to 1300°C (-382 to 2372°F) ±1.0°C Read Coil TBK-S02 Note 1: Accuracy is given with CJC switched off. Read Holding Registers Optional terminal block kit, spring clamp style, 2 pcs. Relative inaccuracy with CJC enabled may increase Read Input Registers (Does not include terminal block for input wiring.) by ±0.5°C. Force Single Coil PS5R-D24 Preset Single Register Thermocouple Break Detection Power supply (24V DC, 2.1A). Force Multiple Coils TC sensor failure can be configured for either upscale See Power Supplies on page 183. Preset Multiple Registers or downscale. Selection applies to all channels. Report Slave ID For more information on software, network hardware, Reset Slave and mounting accessories, please see Pages 39-41. ANALOG INPUT DIGITAL OUTPUT CONNECTIONS TB1 TB4 CONNECTIONS MECHANICAL RTN RELAY INTERFACE OUT3 TC INPUT IN0+ OUT2 + DIGITAL OUTPUT IN0- RTN TB1/TB2 ANALOG IN1+ OUT1 IN+ INPUT IN1- OUT0 IN- UP TO 35V DC TB2 TB3 COM COM NETWORK VOLTAGE INPUT IN2+ D OUT COMMUNICATION IN2- D TB1/TB2 ANALOG + RTN IN3+ B IN+ VOLTAGE INPUT AC/DC IN3- A IN- SOURCE - POWER 10 TO 36V DC OR 24V AC TB4 RTN NON-POLARIZED RTN OUT 3 OUT OUT 2 DIGITAL OUT RTN SHARES OUT 1 RETURN OUT 0 Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 33 ® 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