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  • Manufacturer: GE Fanuc
  • Description: Comm Control Type 2 Module
  • Weight: 3 lbs :: ≈ 2 kgs
  • Warranty: 1 Years
  • Product Revisions Available:
  • Other Available Revisions of the IC600CB516 : A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z,

Product Manual Excerpt

Communications Control Module Type 2 and Type 3 November 1988 General Description The Communications Control Module Type 2 (CCM2) and Type 3 (CCM3) are modules for the Series S i x PLC containing two communications ports, two switches, and four indicator Light Emitting Diodes (LEDs) for connection, control, and status of the module. The primary purpose of these modules is to provide a serial interface between the Series Six Central Processing Unit (CPU) and any intelligent device which can initiate communications based on CCM2 and/or CCM3 supported protocols and electrical interface requirements. Examples of intelligent devices which can be interfaced are: CCM2, CCM3, or I/O CCM Series Six modules 0 Host computer or microprocessor based device Process control system e Color-graphics terminal IC600CB536 IC600CB537 The Series Six Plus PLC with expanded microcode increases the number of user addressable I/O points. This feature allows addressing of channeled I/O points with the Series Six expanded instruction set. The I/O points can be accessed by both the CCM and the Remote Terminal Unit (RTU) protocol for CCM3, and the CCM protocol only for CCM2. CCM also supports addressing of the Auxiliary I/O Override table. Expanded user memory reference allows memory addressing up to 64k of the user logic memory. The expanded user logic memory is supported by both the CCM and the RTU protocol. Table 1. FEATURES AND BENEFITS FEATURES Contains two programmable communications interfaces. BENEFITS Permits a data link between Series Six and host computer, programmable terminals, and other intelligent devices. Accepts requests for Serial Communications from CPU user program. (If peer or master mode is selected.) On-board diagnostics and board fault indicator lights. Allow CPU logic to initiate and control the communication and data flow. Simplifies troubleshooting arid indicates correct data transfer. Direct interface with Operator Interface Unit (OIU). Allows for simplified operator inputs into process under control. QAB (Quick Access 1024 byte general purpose Buffer) Buffer data to minimize access time from an external device. Expanded memory Permits addressing of channeled I/O points, up to 64K user logic memory. 2 Communications Control Module Type 2 and Type 3 CCM2/CCM3 System Configurations The CCM2/CCM3 supports two types of system configurations, point-to-point and multidrop. In the point-to-point configuration only two devices can be connected to the same communication line. The communication line can be directly connected using RS-232 (50 feet, 15 meters maximum) or RS-422 (4000 feet, 1200 meters maximum). Modems can be used for longer distances. In the multidrop configuration more than two devices can be connected to the same communication line. One CCM2 or host device is configured as the master and one or more CCM2s/CCM3s are configured as slaves. A master is capable of initiating communications; a slave is not. There are three ways to connect CCM2s/CCM3s in the multidrop configuration: RS-422 direct, RS-232 using modems, and RS-232 using modems and microwave or radio transmitters. RS-422 Direct: This method can be used when the maximum distance between the master and the last GFK-023 8A slave does not exceed 4000 feet (1200 meters). This distance assumes good quality cables and a moderately noisy environment. A maximum of eight slaves can be connected using RS-422 in a daisy chain or multidrop configuration. The RS-422 line may be of the 2-wire or 4-wire type. RS-232 Using Modems: This configuration is used for long distance communications, primarily over telephone lines. The number of slaves possible is determined by the modem capabilities. RS-232 Using Modems and Microwave or Radio Transmitters: This configuration is used where cables cannot be used between modems. The FCC normally requires the use of single frequency transmitters with short transmitter-on times. Therefore, a warm-up delay for the radio transmitter must be added before each transmission. The CCM2/CCM3 keys the radio transmitter to warm-up and wait a short time before actually transmitting the data. The various time-out values for the communication protocol are increased to include the added delay. Table 2. RS232C/RS-422 CABLE SPECIFICATIONS Length, Maximum - 50 feet (15 meters) for RS-232C; 4000 ft. (1.2Km) for RS-422 Overall Shield 24 AWG, Minimum Connector to CCM Port J 1 - D-Subminiature Type, Cannon DB25P (solder pot) with DB 110963-3 Hood or Equivalent (Standard RS-232C Connector) Connector to CCM Port J2 - D-Subminiature Type, Cannon DE9P (solder pot) with DE110963-1 Hood or Equivalent Connector to Intelligent Device (Determined by intelligent device) RS-422 Cable Selection The following cables provide acceptable operation at data rates up to I9.2K BPS and distances up to 4000 feet. Belden -9184 Belden -9302 NEC -222PISLCBT At shorter distances, almost any twisted pair or shielded twisted pair cable will work. It should be noted that RS-422 requires that the transmitter and receiver ground be within a few volts of each other or damage to the transmitter and receiver may result. It is also noted that the twisted pairs should be matched so that both transmit signals make up one twisted pair and both receive signals make up the other twisted pair, If this is ignored, then cross-talk can result from the mis-matching which will affect the performance of the communication system. Communications Control Module Type 2 and Type 3 3 GFK-0238A Module Function Options The options listed below for the CCM2/CCM3 are hardware selectable using switches and jumpers, or software selectable using configuration registers. Data Rate (bits per second) Protocol 300, 600, 1200,2400,4800, 9600, 19.2K 38.4K Peer-to-peer Master, slave RTU slave (CCM3 only) Line Interface RS-232C RS-422 RS-422 with clocks (CCM2 only Turn-Around Delay Character Format Parity Operator Interface Unit (OIU) + Terminating Resistors (RS-422) Oms, lOms, 5OOms, 5OOms with time-outs disabled 8 data bits 1 stop bit Optional parity bit Odd None Even CCM3 RTU mode, (Port 32 only) Enable Disable Connect, disconnect power to OIU from CCM Resistors IN receiver circuit if module is at the end of an RS-422 multidrop or point-to-point link. Removed from receiver circuit if module is in an intermediate drop in a multidrop link. Table 3. SPECIFICATION AND SERIAL DATA FORMAT Serial Data Format I 1 BIT0 BIT 1 BIT2 BIT3 BIT4 Em5 BIT6 BIT 7 BIT 8 BIT 9 BIT10 1 START 0 LSB MSB * ACTIVE DATA BITS PARITY STOP 1 or 0 1 T2, T4, T6, T8 0 0 JP7 JP8 C) Figure 1. USER ITEMS Communications Control Module Type 2 and Type 3 5 GF K-0238A Description of User Items A B Single Pole/Double Throw/Center Off switch (momentary contact) Single Pole/Double Throw/Center Off switch (momentary contact) Both switches (A and B) perform the same function in either the Up or DOWN position. Switches A and B are used for CCM error diagnostics. LED Indicators 1 to 4 (see below). Jl Connector: 25pin D type female connector for RS-232 and RS-422. J2 Connector: 9-pin D type female connector for RS-422 and RS-232. DIP Switches 9 to 16: Configuration selection for port Jl (see Table 5). DIP Switches 1 to 8: Configuration selection for port J2 (see Table 6). DIP Switches 18 to 20: Miscellaneous selection for both ports (see Table 5). Jumper JPI: Always set in 1-2 position, 10 11 12 Jumper JP2: Always set in l-2 position. Jumper JP3: Always set in 1-2 position. Jumper JP5: Always set in l-2 position. Jumper JP4: 1-2 position, OIU DISABLE. Jumper JP4: 2-3 position, OIU ENABLE. Jumper JP6: 1-2 position disconnects +5V from pin 20 of Port Jl. 2-3 position, connects +5V to pin 20 of port Jl. Jumper JP8: Always set in 1-2 position. Jumper JP7: Always set in l-2 position. See installation of RS-422 interfaces for terminating resistor configuration. Jumper T2: J2, RS-422 receiver circuit Jumper T4: RS-422 clock input Jumper T6: Jl, RS-422 receiver circuit Jumper T8: Always set in storage position Table 4. LED INDICATORS POWERUP ERROR CODES I CAUSE OF ERROR ( Light on, ?? Light off) I LIGHT CCM POWER-UP CCM USART RAM TEST FAILED TO FAILED INITIALIZE CCM PROM TEST FAILED CPU/CCM COMMUNICATIONS FAILED 1 BOARD OK a 0 b 0 2 DIAG 1 0 a b 0 3 DATA OK 0 0 0 ? 4 DIAG 2 0 0 0 0 6 Communications Control Module Type 2 and Type 3 GFK-0238A LED Descriptions BOARD OK (Module Status) STATUS DESCRIPTION ON: Board has passed the self-check test and is operating properly. FLASHING: Invalid configuration or invalid CPU number, 0 or greater than 90 for CCM slave mode, 0 or greater than 247 for RTU mode (CCM3 only). The configuration or the CPU ID must be changed and the module powered up again to recover. OFF: Board has failed power-up test indicating a hardware failure or the CCM failed to communicate with the Series Six CPU. I f the BOARD OK LED goes off as a result of a major CCM error, further information about the specific cause of the error can be obtained by toggling the front panel switch. When this is done, the 4 indicator lights will create one of the patterns shown in Table 3. - If it is a hardware failure then the CCM is inoperable and the LED will turn on again only after successful completion of the power-up test. s If at some time after a successful power-up there is a CCM/CPU communications failure, both the BOARD OK and the DATA OK LED will turn off. In this case additional information from the front panel LEDs cannot be obtained. Both LEDs will turn on again upon successful communications with the CPU. DIAG 1 STATUS DESCRIPTION ON: OFF: Passed powerup diagnostics. ON during normal operation. Cycles on and off during powerup then remains on. May change states when toggling Switch A or B. DATA OK (Serial Data Transmission Link) STATUS DESCRIPTION ON: FLASHING: OFF: Data transmission normal. The LED will flash as serial data is actually transmitted. Data transmission is incorrect for one or more of the following reasons. - Parity, overrun or framing errors. - Invalid header, data block, control character, or checksum. In these cases the LED will turn on again after a successful session has been completed between the Series Six and the external device, or if the module power is cycled. A CCM./CPU communications failure will cause this LED and the BOARD OK LED to turn OFF. DIAG 2 STATUS ON: OFF: DESCRIPTION Passed powerup diagnostics. ON during normal operation. Cycles on and off during powerup then remains on. May change states when toggling Switch A or B. Communications Control Module Type 2 and Type 3 7 GFK-0238A Installation General Before instaIling the CCM2/CCM3 in a CPU rack verify the position of the factory set jumpers (see Figures 1 and 2). Select the appropriate module function options by setting the on-board DIP switches (as required) per the coding shown in Tables 5, 6, 7 and 8. The CCM2/CCM3 module can be installed in a model Six Plus, 60, 600, or 6000 PLC. - In the Series Six 60,600, or 6000 PLC the second slot to the left of the CPU power supply is reserved for this module, and is the only position where the CCM2/CCM3 can be installed. - In the Series Six Plus PLC, slot 5 or 6 is reserved for the CCM2/CCM3 module. When slot 6 is used, set the backplane DIP switch package to all positions OPEN. NOTE The normal powerup operation with all backplane DIP switch positions set to OPEN is: All four LEDS powerup ON, next a BLINKING sequence, then all LEDS remain ON. An unpredictable LED powerup sequence results when the backplane DIP switch package is set otherwise. The ALU Module LEDS remain OFF. And, if a Workmaster is connected, a message No communications with the Series Six is displayed. Use the extraction/insertion tool furnished with the Series Six CPU to install or remove the circuit board. With the circuit board in place in the rack, guide the faceplate over the circuit board so that proper contact is made; then secure the faceplate to the rack using the thumbscrews at the top and bottom. The CCM2/CCM3 module obtains its ID Number from the Series Six PLC. Use the L o g i c m a s t e r software to set the correct ID Number in the Series Six CPU scratchpad. Since there are many combinations of devices this module can interface with and many ways to wire up these combinations only a few of the more common wiring connections are shown as follows: The pinout definitions for ports Jland J2 are shown in Figure 3. Direct connect from one CCM2 module to another CCM2 is shown in Figures 4 and 6. Direct connect from a CCM2/CCM3 module to a computer or process control system is shown in Figure 5. Wiring from a CCM2/CCM3 to a GEnet Factory LAN BIU is shown in Figures 8 and 9. Wiring for CCM 4-wire multidrop network is shown in Figure 10. Wiring for a CCM 2-wire multidrop network is shown in Figure 1 I. Wiring from a CCM2/CCM3 to an Operator Interface Unit (OIU) is shown in Figure 7. Troubleshooting Checklist: - Verify CPU Id Number - Verify CCM configuration setup - Verify wiring - Verify SCREQ commands (if used)

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3-5 Days for most repairs. 24 hour repair upon request at no extra charge. If part is unrepairable, we will exchange with a working unit or return unrepaired.