FF-SRST Emergency Stop Module with Timer FEATURES * Complies with the Machinery Directive for 98/37/EC, IEC 204, EN 60204, DIN VDE 0113 and UL 508 * Dual channel input * Safety outputs: two direct NO contacts, one direct NC contact, two NO delayed contacts and one NC delayed contact * Wide range of fixed and adjustable delay times * Switching current from 1 mA to 5 A * Automatic start or manual start mode with short-circuit detection on the pushbutton input * Selectable cross-fault detection in emergency stop control circuit * LEDs indicate power and internal relays status * Mechanical life up to ten million operations * Electrical life up to one million operations * Overvoltage and short-circuit protection * Removable terminal strips for ease of maintenance * 45 mm / 1.77 in width APPLICATIONS * Emergency stop circuits on machines * Category 1 emergency stop circuits per EN 418 and NFPA79: delayed isolation of power after machine stoppage * Door protection: delayed opening of an interlocked protective gate FF-SR Series (Pending) Suitable for interfaces up to Category 4 per EN 954-1 (Direct safety contacts) Suitable for interfaces up to Category 3 per EN 954-1 (Delayed safety contacts) The FF-SRST Emergency Stop modules with Timer are designed to be used in emergency stop circuits where danger to personnel or machinery is present. This device has four internal standard safety relays with positive-guided contacts, of which two of these safety relays are delayed. In the manual start mode, the module accepts input from the safety device (safety light curtain, safety mat, safety switches, etc.) between S21/S22 and S31/S32 after activation of the push-button between S33 and S34. In the automatic start mode, the module accepts immediate input from the safety device between S21/S22 and S31/32. After restart, the normally open safety contacts (13/14, 23/24, 47/48, 57/58) will close and the normally closed contacts (31/32, 65/66) will open. If an emergency stop condition occurs (safety device is actuated), the normally open contacts (13/ 14, 23/24) will open and the normally closed contact (31/32) will close immediately. After the selected delay time has elapsed the normally open contacts (47/48, 57/58) will open and the normally closed contact (65/66) will close. This emergency stop condition is signalled by the direct safety contacts (13/14, 23/ 24, 31/32) for the machine control circuitry to first stop the dangerous motion and then to remove power after a certain time by the delayed contacts (57/58, 65/66). ! WARNING MISUSE OF DOCUMENTATION * The information presented in this product sheet (or catalogue) is for reference only. DO NOT USE this document as system installation information. * Complete installation, operation and maintenance information is provided in the instructions supplied with each product. Failure to comply with these instructions could result in death or serious injury. (c) Honeywell International Inc. - June 2001 FF-SRST Emergengy Stop Module with Timer SPECIFICATIONS * Dual channel Emergency Stop circuits with time delayed contacts Suitable for interfaces up to Category 4 per EN 954-1 (Direct safety contacts) (Pending) Suitable for interfaces up to Category 3 per EN 954-1 (Delayed safety contacts) Supply voltage Repeat accuracy of time delay Response time Switching capability Current range (min. to max.) Voltage range (min. to max.) Typical electrical life expectancy 2A 5A Typical power factor (cos j) 0,3 0,5 0,7 1 Operating frequency Fuse rating (external) Mechanical life General Temperature range Sealing Housing material Vibration resistance Connector connection (max.) Connector attachment Mounting Weight ORDERING INFORMATION FF-SRSTGGGG2 2 Voltage 2 = 24 Vac/dc 23 Vdc at nominal voltage (provided by control module) 21 Vdc at nominal voltage 40 mA at nominal voltage 50 W (max.) Safety relay with positive guided contacts 2 NO, 1 NC, 2 NO off-delayed, 1 NC off-delayed (if Y39/Y40 is jumpered) Adjustable: FF-SRSToooR2: 0,06 s to 0,3 s; 0,1 s to 1 s; 0,3 s to 3 s; 0,5 s to 5 s; 1 s to 10 s; 3 s to 30 s; 30 s to 300 s / Fixed: FF-SRSToooF2: 0,5 s; 1 s; 3 s; 5 s; 10 s; 30 s; 300 s 1 % of set value Opening of inputs (S11/S12, S21/S22, S31/S32) : 15 ms; Opening in supply circuit (A1(+)/A2(-)): 40 ms Power factor = 1 with resistive load 1 mA to 5 A (see Note 1) 0,1 Vac/dc to 250 Vac/dc Power factor = 1 Vac/dc at 230 Vac (see Note 2) 1 000 000 operations 220 000 operations Limitation factor (see Note 3) 0,45 0,70 0,85 1 1200 switching cycles/h (max.) 6 A time delayed (max.) 10 million switching operations -15 C to + 55 C / 5 F to 131 F Housing: IP 40, Terminals: IP 20 Thermoplastic Amplitude: 0,35 mm; frequency: 10 Hz to 55 Hz 1 x 4 mm2 solid [12 AWG], 1 x 2,5 mm2 [14 AWG], 2 x 1,5 mm2 [16 AWG] stranded wire with sleeve DIN 46288 Removable block terminals with M3,5 screws; wire contacts are enclosed to prevent electrical shock Quick install rail mounting EN 50022-35, 35 mm x 15 mm / 1.38 in x 0.59 in size 400 g / 0.88 lb CONTACT LIFE FOR 100 % RESISTIVE LOAD (TYPICAL) Power factor = 1 (cos j)(see Note 3) Note 1: Contact damage - To ensure the 1 mA capability during the lifetime of the contact, never exceed 300 mA or 60 V. Note 2: Install arc suppressors across load to avoid module contact arcing and ensure specified contact life expectancy. Note 3:Total operations = operations at power factor 1 multiplied by the limitation factor. If the power factor is 0,5 at 230 Vac and 2 A (1 000 000 operations), the limitation factor is 0,70. 1 000 000 x 0.70 = 700 000 total operations. LIMITATION FACTOR FOR INDUCTIVE LOADS Power factor < 1 (cos j)(see Note 3) 107 7 5 R: Time adjustable F: Time fixed 1 0,9 0,8 0,7 3 2 Operations Max.delay time D30: 0,3 s (adj. only) D50: 0,5 s (fixed only) 001: 1 s 003: 3 s 005: 5 s 010: 10 s 030: 30 s 300: 300 s 24 Vac/dc (ac: 10 %, dc: -20 %, +10 %) dc: 3,5 W * ac: 3,5 VA (or dc) 50 Hz to 60 Hz Internal PTC Manual start mode: 40 ms; automatic start mode: 500 ms 0,6 0,5 106 7 5 Limitation factor F Nominal voltage Nominal power consumption Nominal frequency Fuse protection Restart input Restart delay time Emergency stop inputs Input voltage at S11 Minimum voltage at S12, S22, S32 Input current between S11/S12 and S21/S22 Cable resistance between S11/S12,S21/S22, S31/32 Relay outputs Relay type Safety contacts Time delay on de-energisation 3 2 105 0,5 1 1,5 2 Switching Power [kVA] 0,4 0,3 0,2 0,2 0,4 Power factor 0,6 0,8 1 (c) Honeywell International Inc. - June 2001 MOUNTING DIMENSIONS INSTALLATION DIAGRAM Width: 45 mm/1.7 in; Height: 74 mm/2.91 in; Depth: 121 mm/4.76 in 73,2 45 121 0,4 INTERNAL CIRCUITRY A1(+) A2(-) Rail S11(+) S12 S31 S13 S22 S32 S33 S14 S34 Y39 Y40 13 23 31 47 57 65 FRONT PANEL 13 23 31 Overvoltage and short-circuit protection Monitoring logic A1(+) S11 K2 K1 24V Power K2 K1 K1t K1t K2t K2t 14 24 32 48 58 66 S31 S32 S11S12 S13 S14 (+) 47 57 65 S12 S13 K1 S14 S21 K1t S22 S31 S32 K2 Y39 K2t Y40 K1t K2t 14 24 32 FUNCTIONAL DIAGRAM 48 58 66 A2(-) S21 Closed Opened Start push-button A1 (+) 13 23 31 K2 K2t S21(-) 47 57 65 K1t K1 Timer release delay Y39 Y40 S21 S22 S33 S34 (-) 14 24 32 Input A2 (-) 48 58 66 Closed E-stop Opened REMOVABLE TERMINAL BLOCKS K1 Output K2 Removable Terminal Strip K1t Delayed output K2t * Line fault detection at the start push-button Tv: delay time SETTING OF START MODE Start Mode Jumper between S13/S14 Manual start mode not connected Automatic start mode connected Start push-button between S33/S34 This module offers the possibility to function in the automatic start mode or manual start mode. Insert the start push-button between terminals S33/S34 for manual start mode. Insert a jumper between S13/S14 for automatic start mode to function. SETTING OF THE DELAYED CONTACTS The off-delayed safety relays K1t and K2t (safety contacts 47/48 to 65/66) are only operational, if a jumper is set between Y39/Y40. (c) Honeywell International Inc. - June 2001 3 APPLICATION EXAMPLES Dual channel emergency stop circuitry (with cross-fault monitoring, manual start mode, external contactors) If an emergency stop condition occurs (emergency push-button or another safety device is actuated), the internal relays K1 and K2 de-energize immediately. The normally open contacts (13/14, 23/24) will open and the normally closed contact (31/32) will close. This emergency stop condition issignalled by these safety contacts for the machine control circuitry (e.g. a speed driver) to stop hazard. The internal relays K1t and K2t will de-energize after the selected delay time has elapsed, leading to the opening of the normally open contacts (47/48, 57/58) and the closure of the normally closed contacts (65/66)(see note (D)). These contacts may be used to remove the main power of the stopped machine (category 1 emergency stop per EN 418) and NFPA79. The emergency-stop condition can be reset while de-activating and activating the connected safety devices (inputs: S22 and S32). After restarting the module (manual or automatic restart: see note (B)), all internal safety relays K1, K2, K1t and K2t will energize immediately. All normally open contacts (13/14, 23/24, 47/48, 57/58) will close and the normally closed contacts (31/32, 65/66) will open, allowing the machine to operate (see note (D)). L1 (+) Fuse Power of speed driver E-stop Start (B) (C) K3 L1 L2 L3 (A) Fuses K4 K4 A1(+) S31 S33 S34 S32 S22 S21 13 23 31 47 57 65 FF-SRST A2(-) S11 S12 S13 K3 N (-) (B) S14 Y39 K4 (C) (D) Y40 Fuses Fuses 14 24 32 48 58 66 Delayed power removal by contacts 47/48 and 57/58 of FF-SRST Emergency Stop module with timer Instant stop command by contacts 13/23 and 31/32 of FF-SRST Emergency Stop module with timer K3 K4 Speed driver K3 To speed driver M Dual-channel safety door monitoring (with cross-fault monitoring, manual start mode) The FF-SRST Emergency Stop module may also monitor the status of locking or interlocking devices (usually safety switches) of protective gates. When the protective gate is open, the initiation of the hazardous motion is inhibited. When the door is closed again, the next machine cycle can start, but only after initiating a manual restart sequence. After opening the door, the two external safety switch contacts Sa and Sb will open and two internal safety relays K1 and K2 will de-energize. The normally open safety contacts (13/14, 23/24) will open and the normally closed contact (31/32) will close relaying the stop condition to the machine control circuitry. The off-delayed safety relays K1t and K2t will de-energize, the normally open safety contacts (47/48, 57/58) will open and the normally closed contact (65/66) will close after the specified time delay has elapsed (see note (D)). These delayed safety contacts may be used to isolate the machine from power (category 1 stop per EN 418) and NFPA79. When closing the door, Sa and Sb will close and the module is ready to be restarted (see note (B)). Then, the four internal relays K1, K2, K1t and K2t will energize immediately. (see note (D)). All normally open safety contacts (13/14, 23/24, 47/48, 57/58) will close and the normally closed contacts (31/32, 65/66) will open, allowing the machine to operate. APPLICATION NOTES Note (A): DUAL CHANNEL SAFETY DEVICES: This may be an emergency stop push-button in series with L1 dual output safety switching devices (OSSD) such as safety (+) light curtains (FF-SB, FF-LS), single beam Sliding guard (closed position) (FF-SPS4), modular safety light curtain (FF-SCAN), safety closed Fuse mat (FF-SM), safety laser scanner (FF-SE), or safety limit Sa switches (i.e. 2CLS, GK). Note (B): START MODES: Fuses Manual start mode: Insert start push-button between S33/ Start S34; no jumper must be set between S13/S14. Sb Automatic start mode: Insert jumper between S13/S14; the (B) open start push-button is omitted. S22 S21 13 23 31 47 57 65 Note (C): EXTERNAL CONTACTORS: A1(+) S31 S33 S34 S32 If contact reinforcement via external safety contactors with positive-guided contacts is necessary, the proper operation of FF-SRST the external contactors must be monitored by A2(-) S13 S14 S11 S12 Y39 Y40 14 24 32 48 58 66 looping their normally closed contacts into the restart loop (manual start mode: S33/S34; automatic start mode: Machine Delayed isolation S13/S14). (B) (D) control circuitry from power Note (D): DELAYED CONTACTS: N The off-delayed safety relays K1t and K2t (safety contacts (-) 47/48, 57/58, 65/66) are only operational, if a jumper is set Actuated normally open contact: closed position between Y39/Y40. 4 (c) Honeywell International Inc. - June 2001 Warranty and remedy Honeywell warrants goods of its manufacture as being free of defective materials and faulty workmanship. Contact your local sales office for warranty information. 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Phone: +(809) 792-7075 FAX: +(809) 792-0053 United Kingdom Honeywell Control Systems Ltd Phone: +(44) 118 906 2600 FAX: +(44) 118 981 7513 Venezuela Honeywell CA Phone: +(58-2) 238-0211 FAX: +(58-2) 238-3391 Mediterranean & African Distributors Honeywell SpA Phone: +(39) 2 921 46 232 FAX: +(39) 2 921 46 233 Middle East Headquarters Honeywell Middle East Ltd. Phone: +(9712) 272533 FAX +(9712) 269539 This publication does not constitute a contract between Honeywell and its customers. The contents may be changed at any time without notice. It is the customer's responsibility to ensure safe installation and operation of the products. Detailed mounting drawings of all products illustrated are available on request. (c) 2001 Honeywell International Inc. All rights reserved. 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