900MB Series RTD/Resistance Input Module Modbus/RS-485 Four Discrete Inputs (2) Outputs (4) Outputs or Four Limit Alarms RTD or Isolation Resistance Modbus Inputs RS-485 Inputs (2) Power 10-36V DC or 24V AC 932/934MB Multi-Channel Temperature Control Modules■Description■Special Features This signal conditioner is a dual or quad-channel■Standard Modbus RTU protocol with high-speed RTD or Resistance analog input module with one discrete/relay out- RS-485 communication (up to 115K bps) put per input channel and a Modbus interface. It Input ■16-bit sigma-delta A/D yields 0.1°C resolution filters and linearizes RTD or resistance inputs and 0.25°C accuracy (Pt, Ni RTDs) Limit Alarms or while providing isolation between input, output, power, and network circuits. Lead wire compen-■RTD linearization and sensor break detection Discrete Outputs sation and upscale/downscale sensor break ensure reliable measurements detection are standard. Low voltage AC and DC ■Discrete relay outputs enable local temperature Models power sources are supported with nonpolarized, limit alarms or host-controlled on/off switching 932MB: 2 input channels, 2 relay outputs diode-coupled terminals. 934MB: 4 input channels, 4 relay outputs■Heavy-duty 1A solid-state relays provide The programmable inputs accommodate four dependable on/off control of industrial devices RTD types plus wide-range resistance signals. Input Flexible discrete outputs operate as alarms or■Self-calibration lowers maintenance costs by RTD (100 ohm Pt, 120 ohm Ni, 10 ohm Cu), on/off controllers. As limit alarms, each discrete reducing periodic manual calibration checks Resistance (0 to 500 ohms) output can be configured with high and/or low ■Watchdog timers provide a configurable setpoints exclusively tied to an analog input Output failsafe output state for use when host channel. Alarm trips function without host com- Solid-state relays, Form A, SPST-NO I/O communication is lost munication enabling low-cost stand-alone alarms Network Communication as well as local backup for the primary control■Four-way isolation eliminates potential ground Modbus-RTU high-speed RS-485 system. Otherwise, on/off control is based on loops between power, input, output and commands issued by the host system. network circuitry Power Requirement Combining flexible transmitter functions, mixed■Self-diagnostics monitor microcontroller activity 10 to 36V DC, signal I/O, alarm support, and a network inter- to detect operational failures (lock-up) and 24V AC face in a single package, makes this instrument execute a reset to restore communication extremely powerful. Multi-channel design adds Approvals cost-efficiency and allows high-density mounting. CE marked. UL, cUL listed Plus, safe, rugged construction makes these Class I; Division 2; Groups A, B, C, D. modules reliable for use in both control room and distributed field I/O applications. Custom module configurations are also possible (consult factory for details). Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 34 ® BusWorks Modbus I/O ® BusWorks Modbus I/O TB4 TB3 46 45 44 43 42 41 36 35 34 33 32 31 DIG. OUT DIG. OUT RS485 PWR 932MB/934MB 934MB Only RTD INPUTS 0,1 RTD INPUTS 2,3 11 12 13 14 15 16 21 22 23 24 25 26 TB1 TB2 Modbus I/O Lead-Wire Compensation Isolation■Performance Inherent for 3-wire RTD. The maximum lead resistance 1500V AC for 60 seconds or 250V AC continuous. is 25 ohms per lead (Pt), 20 ohms per lead (Ni), 10 4-way isolation between input, network, power and■RTD/Resistance Input ohms per lead (Cu). All lead wires must be of equal discrete I/O circuits. Inputs are isolated channel-to- Input Ranges size and length. channel for common mode voltage to ±5V DC. Input type user-configured. Type selected applies to all channels. RTD linearization, lead wire compensation, ■Discrete Output ■Ordering and open circuit or lead break detection are included. Output Type Input Type Alpha Input Range Accuracy Information Solid-State Relay (SSR), one Form A (SPST-NO) switch Pt 100 ohm 1.3850 -200 to 850°C ±0.25°C per input channel. Outputs share a common return 932MB-0900 Pt 100 ohm 1.3911 -200 to 850°C ±0.25°C connection at the RTN terminals for low side switching Two channel RTD/Resistance input module Ni 120 ohm 1.6720 -80 to 320°C ±0.25°C Cu 10 ohm 1.4272 -200 to 260°C ±1.00°C Output Voltage Range 934MB-0900 Resistance linear 0 to 500 ohms ±0.05 ohm 0 to 48V DC, 1A DC. Four channel RTD/Resistance input module Resolution Output ON Resistance Accessories Input Type Alpha Resolution 0.4 ohms maximum. 900C-SIP Pt 100 ohm 1.3850 0.1°C Configuration Software Interface Package Output Response Time Pt 100 ohm 1.3911 0.1°C (includes software CD-ROM for Windows, RS-232/485 4.1ms typical, from receipt of command to gate Ni 120 ohm 1.6720 0.1°C converter, and RS-485/three-wire cable) transition of the output MOSFET. Cu 10 ohm 1.4272 0.2°C 5034-225 Resistance linear 7.8125 milliohms Operation USB-to-RS232 adapter. See page 41 for more info. Digital outputs are set to their OFF state following a Ambient Temperature Effect TBK-B02 software or power-on reset. Outputs can be set to Better than ±0.005% of input span per °C, or Optional terminal block kit, barrier strip style, 4 pcs. user-defined states following a watchdog timeout. ±1.0uV/°C, whichever is greater. TBK-S02 Noise Rejection ■Communication Optional terminal block kit, spring clamp style, 4 pcs. Normal mode: 40dB @ 60Hz, typical. Supported Modbus Commands PS5R-D24 Common mode: 130dB @ 60Hz, typical. The command/response protocol for communicating Power supply (24V DC, 2.1A). with this module adheres to the Modbus/RTU standard See Power Supplies on page 183. Input Filter Bandwidth for the following Modbus Functions. -3dB at 3Hz, typical. For more information on software, network hardware, Read Holding Registers Read Coil and mounting accessories, please see Pages 39-41. Input Conversion Rate Read Input Registers Reset Slave 300ms per channel typical. Preset Single Register Report Slave ID Force Multiple Coils Force Single Coil RTD Break Detection Preset Multiple Register Sensor failure can be configured for either upscale or downscale. Selection applies to all channels. LED Indicators LEDs indicate power, status, and discrete level/alarm. Excitation Current 1mA DC typical, all types. ■Power and Isolation Power Requirements Optional terminal blocks: barrier strip (left) and 10 to 36V DC (56mA max. at 24V DC). spring clamp (right). Cage clamp terminal is standard. 22 to 26V AC (94mA rms max. at 24V AC). ANALOG INPUT DIGITAL OUTPUT CONNECTIONS TB1 TB4 CONNECTIONS MECHANICAL IN0+ OUT3 RELAY INTERFACE IN0- RTN IN0L OUT2 3-WIRE RTD RESISTANCE + DIGITAL OUTPUT IN1+ OUT1 ANALOG TB1/TB2 TB1/TB2 IN1- RTN IN+ IN+ INPUT DECADE IN1L OUT0 IN- IN- BOX UP TO INL INL 48V DC JUMP TB2 TB3 IN2+ LRTN IN2- COM NETWORK INL2 D OUT COMMUNICATION IN3+ D ANALOG IN3- B RTN INPUT 2-WIRE RTD AC/DC INL3 A POWER TB1/TB2 IN+ 10 TO 36V DC OR 24V AC TB4 IN- NON-POLARIZED OUT 3 INL RTN JUMP RTN OUT OUT 2 DIGITAL OUT OUT 1 SHARES RTN RETURN OUT 0 Tel: 248-624-1541 Fax: 248-624-9234 e-mail: sales@acromag.com www.acromag.com 35 ® 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